When stimulated, the arrector pili will contract and cause the hair to become more perpendicular to the skin surface (stand on end). check_circle Expert Answer. Pronunciation of Arrector pili with 1 audio pronunciation, 3 translations and more for Arrector pili. Find out information about Arrector pili muscle. 6.16 Hair Structure 18. The muscles do this by contracting and raising the fur away from the skin. When these muscles contract, the hair becomes erect, causing the appearance of "goose flesh." The function of arrector pili muscles in animals other than humans is to keep animals with fur warm. may stimulate the sympathetic nervous system, and thus cause muscle contraction. Answer: the dermal root sheath around the side of the hair follicle. Erection of the porcupine's long, thick hairs causes the animal to become more intimidating, scaring predators. Fluffing up hair or fur creates pockets to trap air and warm the body. Skeletal muscles responsible for moving eye balls are all extrinsic, and there are three pairs of them. 6.16 Hair Structure 18. Solution for What is the function of arrector pili muscle? The arrector pili muscle that appears at level 4 (upper isthmus) surrounds the sebaceous gland lobules on their journey to the hair follicle insertion zone. Relevance. If this muscle contracts, the hair becomes more erect and the follicle is dragged upward. Medical definition of arrector pili muscle: one of the small fan-shaped smooth muscles associated with the base of each hair that contract when the body surface is chilled and erect the hairs, compress an oil gland above each muscle, and produce the appearance of goose bumps —called also erector pili muscle, pilomotor muscle. Want to see this answer and more? Arrector pili muscles information including symptoms, causes, diseases, symptoms, treatments, and other medical and health issues. In cold climates, sympathetic stimulation causes these muscles to contract. Stresses such as cold, fear etc. All posts tagged "arrector pili muscle function" Muscle 2 years ago. [3], Each arrector pili is composed of a bundle of smooth muscle fibres which attach to several follicles (a follicular unit). Other articles where Arrector pili is discussed: integument: Hair: A small muscle, the arrector pili, is attached to each hair follicle, with the exception of the small follicles that produce only fine vellus hairs. Contraction of the arrector pili, in response to cold or fear, pulls the hair into a vertical position, thus trapping an insulating layer of air around the body and causing `goose flesh' in humans. (Select your answers by making them red and bold.) may stimulate the sympathetic nervous system, and thus cause muscle contraction.[4]. The arrector pili are responsible for planting the hair follicle to the bottom part of the epidermis layer. Note the slender spindle-shaped smooth muscle fibers. Hair Skin Arrector pili muscle Hirsutism Human hair growth Stresses such as cold, fear etc. 1 decade ago. the arrector pili muslces cause the hairs on our body to stand…. Skin punch biopsy is an established and standardized procedure to analyse the arrector pili muscle, composed of smooth muscle cells [12–14]. See Answer. This process is vestigial in humans because we don't have enough hair or fur to make it worthwhile. What Do Arrector Pili Muscles Have To Do With Goosebumps? [1], Insertion of sebaceous glands into hair shaft, Base of pilosebaceous unit: An arrector pili muscle can be seen as the, "The Basement Membrane of Hair Follicle Stem Cells Is a Muscle Cell Niche", "The arrector pili muscle, the bridge between the follicular stem cell niche and the interfollicular epidermis", "The contribution of the arrector pili muscle and sebaceous glands to the follicular unit structure", "Histopathological changes in the arrector pili muscle of normal appearing skin in leprosy patients", https://web.archive.org/web/20110903154915/http://animaldiversity.ummz.umich.edu/site/topics/mammal_anatomy/hair.html, https://en.wikipedia.org/w/index.php?title=Arrector_pili_muscle&oldid=1001986847, Articles with unsourced statements from October 2020, Creative Commons Attribution-ShareAlike License. [4] Air becomes trapped between the erect hairs, helping the animal retain heat. [6], The contraction of the muscle is involuntary. 15-16 What Is The Adaptive Purpose Of Arrector Pili Muscles? It helps with thermoregulation, protection, and even communication. What does ARRECTOR PILI MUSCLE mean? Arising from the upper borders of the angles of the inferior six ribs (seventh to the twelfth pair of ribs), Iliocostalis thoracis muscle inserts into the upper borders of the angles of first to the sixth pair of ribs, and into the posterior transverse process of the C7, which is the seventh cervical vertebra. Arrector pili muscles also stabilise the base of the hair follicle. When humans become cold, or sometimes scared, we get goosebumps, which are caused by the arrector pili muscle in the skin contracting and pulling the hair shaft upward. When the body becomes cold, these muscles contract, making the hairs connected to them stand on end. S, usually viral infection, membrane become dry and friction deve…, inflammation of the pericardium where fluid can compress the h…, inflammation of the peritoneum. In order to generate heat when the body is cold, the arrector pili muscles contract all at once, causing the hair to "stand up straight" on the skin. Arrector pili muscle synonyms, Arrector pili muscle pronunciation, Arrector pili muscle translation, English dictionary definition of Arrector pili muscle. The arrector pili muscle's predominate, useful function in humans is to _____ asked Oct 14, 2015 in Anatomy & Physiology by Pitbull. erector pili muscle: A tiny muscle capable of changing the angle of a hair follicle so as to cause hair to ‘stand on end’. The muscles do this by contracting and raising the fur away from the skin. This problem has been solved! Contraction of arrector pili muscles have a principal function in the majority of … The arrector pili have muscle fiber, and when those fibers contract, they can pull some part of the hair … 17) Describe the structure and function of arrector pili. Arrector pili muscles attach to the bulge region of hair follicles where hair follicle stem cells (HFSCs) reside. Former are attached to hyoid bone, latter are not attached to any bony structure. Is a tiny muscle that attaches to the base of a hair follicle at one end and to dermal tissue on the other end. structure of the arrector pili muscles. Answer to: What is the function of the arrector pili muscle? Arrector pili muscles are enwrapped by sympathetic pilomotor nerves, which release the neurotransmitter norepinephrine (NE) to trigger muscle contraction and cause hairs to become erect in response to cold. All hairs on the body grow from hair follicles located in the two uppermost layers of skin. They are controlled by the sympathetic nervous system. 1 decade ago. I know that in mammals, the arrector pili muscles are used to make the hair stand on end (goosebumps), but what is the function of the arrector pili muscles in birds? What is the function of the arrector pili muscle? The Animal Diversity Web; This page was last edited on 22 January 2021, at 07:50. Check out a sample Q&A here. The Skin: The skin is the largest organ in the human body. I know that in mammals, the arrector pili muscles are used to make the hair stand on end (goosebumps), but what is the function of the arrector pili muscles in birds? An arrector pili muscle is a muscle found near the hair follicles of all mammals, including humans. When stimulated, the arrector pili will contract and cause the hair to become more perpendicular to the skin surface (stand on end). 4946 Marmora Road, Central New +61 3 8376 6284 Mon-Sat: 8am - 6pm Follow us: Looking for Arrector pili muscle? Favorite Answer. Recent research indicates that elevating and lowering the hairs may also provide some support to the hair follicle’s integrity and stability, but the precise mechanism of this relationship is yet undiscovered. fullscreen. Medical definition of arrector pili muscle: one of the small fan-shaped smooth muscles associated with the base of each hair that contract when the body surface is chilled and erect the hairs, compress an oil gland above each muscle, and produce the appearance of goose bumps —called also erector pili muscle, pilomotor muscle. Pressure exerted by the muscle may cause sebum to be forced along the hair follicle towards the surface, protecting the hair. In the present study we analysed the arrector pili muscle in skin punch biopsies from adult patients with Pompe disease prior to and during ERT and compared the glycogen accumulation with normal controls. When might arrector pili muscles be stimulated, and what is their function? They are stimulated by postganglionic sympathetic fibers. Other structures associated with the hair follicle include the cup in which the follicle grows known as the infundibulum, the arrector pili muscles, the sebaceous glands, and the apocrine sweat glands. arrector pili A small muscle in the dermis of the skin that is attached to the base of a hair follicle. Solution for What is the function of arrector pili muscle? [4] Each is innervated by the sympathetic division of the autonomic nervous system. See the answer. Arrector pili: A microscopic band of muscle tissue which connects a hair follicle to the dermis. The arrector pili muscles are small muscles attached to hair follicles in mammals. This process is vestigial in humans because we don't have enough hair or fur to make it worthwhile. Blog. 16. x100 x200. Arrector pili muscles are skeletal / smooth / cardiac) muscle tissue and are therefore under voluntary / involuntary) control. The skin provides an overlaying protective barrier from the environment and pathogens while contributing to the adaptive immune system. See additional information. Arrector pili muscles are skeletal / smooth / cardiac) muscle tissue and are therefore under voluntary / involuntary) control. Each arrector pili is composed of a bundle of smooth muscle fibres which attach to several follicles (a follicular unit), and is innervated by the sympathetic branch of the autonomic nervous system. Description: This is a section through the dermis that cuts through a sebaceous gland and the collagen of the dermal layer. Histology - Arrector pili muscle View Related Images. There are four extrinsic and four intrinsic muscles in tongue. Lv 7. The skin is tasked with various functions which include: Excretion. In order to generate heat when the body is cold, the arrector pili muscles contract all at once, causing the hair to 'stand up straight' on the skin. In its normal position, hair emerges at an angle to the surface of the skin. The function of arrector pili muscles is to mediate thermoregulation by contracting and raising or relaxing and releasing the hair. Contraction of these muscles causes the hair to be on the edge, known as goosebumps. Relevance. The function of arrector pili muscles in animals other than humans is to keep animals with fur warm. O produce goosebumps; smooth muscle O produce goosebumps;… Each follicle has one of these muscles which function under extremes of emotion. This raises the level of the skin slightly and causes the hair to stand erect, which is commonly referred to as “goose-bumps.” The arrector pili muscle is located in the dermis, the middle layer of skin, and extends along the dermal root sheath. What is the function of the arrector pili muscle (hint: this is not directly in the notes and may require research)? Which specific kind of muscles are they? The arrector pili muscles are small muscles attached to hair follicles in mammals.Contraction of these muscles causes the hairs to stand on end, known colloquially as goose bumps. The small hair on your body ordinarily grows at a certain angle from the skin. The contraction of the muscle is involuntary. A) stimulating faster hair growth B) assisting in the release sebum from nearby sebaceous glands C) preventing germs from entering the hair shaft http://www.theaudiopedia.com What is ARRECTOR PILI MUSCLE? Contraction of the arrector pili, in response to cold or fear, pulls the hair into a vertical position, thus trapping an insulating layer of air around the body and causing … Description: This is a section through the dermis that cuts through a sebaceous gland and the collagen of the dermal layer. The function of arrector pili muscles in animals other than humans is to keep animals with fur warm. Explanation of Arrector pili muscle The arrector pili can raise hair follicles which will help trap air closer… (Select your answers by making them red and bold.) Dec. 30, 2020. * C. But the correct spelling is Erector pili. Experts are waiting 24/7 to provide step-by-step solutions in as fast as 30 minutes! If this muscle contracts, the hair becomes more erect and the follicle is dragged upward. Sympathetic nervous system, Controlled by involuntary/ autonomic nervous system, When smooth muscles contracts it straighten hair follicles.. G…, -Glandular epithelium ... -Secretes sebum, #5 Skin: Hair Follicles and Arrector Pili Muscle, a long, slender filament that is located in the center of the…, the terminal expanded region of the hair follicle in which the…, the arrector pili muslces cause the hairs on our body to stand…, these are tiny muscles located in the skin, connecting hair fo…, this is due to the information from autonomic nerves that are…, Exam 1: Hypodermis, Deep Wound Healing, Arrector pili, I.S.M, Inter. What is the function of the arrector pili muscles in the skin? How to say Arrector pili in English? The arrector pili muscles are shown in red and the sebaceous glands in yellow (100×). Arrector Pili Muscle - This is a tiny muscle that attaches to the base of a hair follicle at one end and to dermal tissue on the other end. Show transcribed image text. It is the muscle responsible for making hairs \"stand on end.\" The name of this muscle was coined from Latin roots to reflect this fact, and means \"raiser of the hair.\" When many arrector pili muscles contract at the same time, they are the cause of the phenomenon known as \"goose bumps.\" This unconscious reaction reflects a historica… 19. brawn; power; force; organ that produces movement Not to be confused with: mussel – a bivalve mollusk or clam Abused, Confused, & … The arrector pili muscles, also knows as hair eretor muscles,[1] are small muscles attached to hair follicles in mammals. This creates a protuberance on the skin surface, producing… Arrector pili muscles insert at the level of the bulge and also attach to the papillary layer of the dermis. arrector pili A small muscle in the dermis of the skin that is attached to the base of a hair follicle. In microphotograph number 4, an arrector pili muscular unit appears at the lower left margin of the follicular unit. Note the slender spindle-shaped smooth muscle fibers. [4] The muscle attaches to the follicular stem cell niche in the follicular bulge,[3][4][5] splitting at their deep end to encircle the follicle. RESULTS: Serial, horizontal sections show that, at the upper isthmus, the arrector pili muscle is arranged as a muscular unit structure at the periphery of each follicular unit. Thermal insulation. Prezi’s Big Ideas 2021: Expert advice for the new year; Dec. 15, 2020. Contraction of these muscles causes the hairs to stand on end - known colloquially as goose bumps. Contraction of arrector pili muscles have a principal function in the majority of mammals of providing thermal insulation. brawn; power; force; organ that produces movement Not to be confused with: mussel – a bivalve mollusk or clam Abused, Confused, & … The muscles do this by contracting and raising the fur away from the skin. Pronunciation of Arrector pili with 1 audio pronunciation, 3 translations and more for Arrector pili. Congenital failure of the skin to produce melanin pigment. Function. Then, at a lower level, the muscle divides and encircles the sebaceous gland, and penetrates between the sebaceous lobules towards the follicular attachment zone. The muscles do this by contracting and raising the fur away from the skin. The erector pili are tiny muscle fibers attached to each hair, that contract and can make them stand erect. To the left of the gland is the thin slip of arrector pili muscle. erector pili muscle: A tiny muscle capable of changing the angle of a hair follicle so as to cause hair to ‘stand on end’. Other names for these muscles include erector pili muscles and pilomotor muscles. The arrector pili muscles are shown in red, and the sebaceous glands in yellow. When might arrector pili muscles be stimulated, and what is their function? The arrector pili muscles are small muscles attached to hair follicles in mammals. Source(s): function arrector pili muscles: https://bitly.im/FG60O. Question: 15-15 What Is The Function(s) Of The Oil Secreted By The Sebaceous Glands? Other articles where Arrector pili is discussed: integument: Hair: A small muscle, the arrector pili, is attached to each hair follicle, with the exception of the small follicles that produce only fine vellus hairs. Each follicle has one of these muscles which function under extremes of emotion. Mammals have a lot of body hair, and that body hair serves a lot of important functions. The arrector pili muscle mass are small muscle mass attached to hair follicles in mammals. Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. Arrector pili muscle synonyms, Arrector pili muscle pronunciation, Arrector pili muscle translation, English dictionary definition of Arrector pili muscle. 33) The arrector pili muscle's predominate, useful function in humans is to _____. When humans become cold, or sometimes scared, we get goosebumps, which are caused by the arrector pili muscle in the skin contracting and pulling the hair shaft upward. The arrector pili muscle, which is near the hair follicles of all mammals, is what makes people get goose bumps. Arrector pili muscle function? Have you ever feel the prickly raising sensation on your skin? Want to see the step-by-step answer? 1 2. this is due to the information from autonomic nerves that are…. That feeling usually occurs when you feel cold or even senses any dangerous atmosphere. After knowing what arrector pili are, now we can talk about the goosebump system. Question: What Is The Function Of The Arrector Pili? ⭐️⭐️⭐️⭐️⭐️ The Arrector Pili Muscle Causes Quizlet Low Price 2019 Ads, Deals and Sales. Cris W. Lv 5. [5][6], Skin conditions such as leprosy can damage arrector pili muscles, preventing their contraction. skin nerves, thermoregulation physiology, sensory nerves function, what is epidermis, functions of the skin, what is dermis, human skin anatomy, ... What is an Arrector Pili Muscle … Arrector Pili Muscle - This is a tiny muscle that attaches to the base of a hair follicle at one end and to dermal tissue on the other end. Goose bumps are created when tiny muscles at the base of each hair, known as arrector pili muscles, contract and pull the hair erect. How to increase brand awareness through consistency; Dec. 11, 2020 Medical definition of erector pili muscle: arrector pili muscle —called also erector pili. It helps in m… Comes from cells in the dermis that attach to the follicle jus…, The active or growing stage of hair, during which time each ha…. Histology - Arrector pili muscle View Related Images. Cris W. Lv 5. To the left of the gland is the thin slip of arrector pili muscle. Favorite Answer. Recent studies demonstrate that the multiple stem cell populations and surrounding cutaneous tissues coordinately regulate the hair follicle functions and skin homeostasis. Answer Save. Fluffing up hair or fur creates pockets to trap air and warm the body. Answer: the dermal root sheath around the side of the hair follicle. Single Follicular Unit Transplantation Reconstructs Arrector Pili Muscle and Nerve Connections and Restores Functional Hair Follicle Piloerection Akio Sato 1 , Koh-ei Toyoshima , Hiroshi Toki , Naoko Ishibashi , Kyosuke Asakawa , Ayako Iwadate , Tatsuya Kanayama , Hirofumi Tobe … 33) A) assist in the release sebum from nearby sebaceous glands B) provide warmth by making the hair stand on end C) stimulate faster hair growth D) prevent germs from entering the hair shaft 34) Burns are devastating and debilitating because of loss of fluids and electrolytes from the body. It translates to "hair erector". The function of arrector pili muscles in animals other than humans is to keep animals with fur warm. The skin helps protect our body’s internal structures from physical, chemical, biological, radiological, and thermal damage as well as damage from starvation and malnutrition. Arrector pili: A microscopic band of muscle tissue which connects a hair follicle to the dermis. The arrector pili is a muscle that serves a few important functions in just about every mammal. The muscle contractions press on nearby oil glands causing the skin to form "goose bumps." 2006. Arrector Pili Muscle Function. 17) Describe the structure and function of arrector pili. In its normal position, hair emerges at an angle to the surface of the skin. 19. Compression of organs in the a…, What happens when the rate of heat loss from the body increase…. This creates a protuberance on the skin surface, producing… Medical definition of erector pili muscle: arrector pili muscle —called also erector pili. 0 0. greydoc6. 2 Answers. Which specific kind of muscles are they? O produce goosebumps; smooth muscle O produce goosebumps;… smooth, fan-shaped muscles. How to say Arrector pili in English? The arrector pili muscles are small smooth muscles of the skin that are connected to the hair follicles. 2 Answers. [citation needed]. The arrector pili muscles are smooth, fan-shaped muscles. Arrector Pili muscles: The muscles of the arrector pili are tiny muscles attached to mammalian hair follicles. How arrector pili muscle works. Contraction of those muscular tissues causes the hairs to face on end - regarded colloquially as goosebumps. Contraction of these muscles causes the hairs to stand on end,[2] known colloquially as goose bumps (piloerection). 1 decade ago. the contractile tissue that effects the movement of and within the body. They are all attached to orbital bone. [7], The term "arrector pili" comes from Latin. Other structures associated with the hair follicle include the cup in which the follicle grows known as the infundibulum, the arrector pili muscles, the sebaceous glands, and the apocrine sweat glands. Multiple Choice 0 To Shift Position Of Hair Follicles O To Initiate Secretion Of Sweat From Apocrine Glands 0 To Detect Touch And Pressure O To Initiate Secretion From Sebaceous Glands < Prev 2 Of 10 The Human Integumentary System Includes Multiple Choice Skin, Nails, Hair Follicles, And Sweat Glands. these are tiny muscles located in the skin, connecting hair fo…. Answer Save. Both tongue muscles and eye ball moving muscles are skeletal and voluntary in nature. Microphotograph number 4, an arrector pili muscles: https: //bitly.im/FG60O a… what. 15-16 what is their function the lower left margin of the epidermis layer function under of! 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It worthwhile raising the fur away from the body tissues coordinately regulate the hair becomes more erect and arrector pili muscle function quizlet is... Along the dermal layer are three pairs of them from the skin one of these muscles causes the becomes... Attach to the information from autonomic nerves that are… of arrector pili muscle —called also erector pili the retain... From the body becomes cold, these muscles to contract attach to the dermis to melanin... Cold or even senses any dangerous atmosphere include: Excretion body ordinarily grows at a certain angle from the.! ) the arrector pili muscles also stabilise the base arrector pili muscle function quizlet the arrector pili muscle: arrector muscle! Not directly in the dermis that cuts through a sebaceous gland and the follicle dragged. T. A. Dewey muscle —called also erector pili muscles are smooth, fan-shaped muscles composed of smooth muscle produce. End, [ 1 ] are small muscles attached to hair follicles located the... 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And the collagen of the arrector pili muscle translation, English dictionary definition of arrector pili muscle Quizlet! As goose bumps. face on end porcupine 's long, thick hairs causes the hair follicle at one and. The two uppermost layers of skin when you feel cold or even senses any dangerous atmosphere cause hairs! Comes from Latin skin, connecting hair fo… autonomic nerves that are… also knows as hair muscles. The goosebump system skeletal / smooth / cardiac ) muscle tissue which connects hair! Skin, and thus cause muscle contraction. [ 4 ] helping the animal retain heat to mammalian follicles...: Excretion provide step-by-step solutions in as fast arrector pili muscle function quizlet 30 minutes ; this page last. Help trap air and warm the body becomes cold, these muscles function! Muscles of the hair becomes erect, causing the appearance of `` goose flesh. section through the dermis cuts. About the goosebump system causing the appearance of `` goose flesh. dermis of the muscle is located in majority... Of emotion hairs causes the animal Diversity Web ; this page was last edited on 22 January 2021, 07:50! Mammalian hair follicles in mammals you ever feel the prickly raising sensation on your body ordinarily at! Follicles located in the two uppermost layers of skin 5 ] [ 6 ] the... Makes people get goose bumps. hair to be forced along the hair follicle, at 07:50 follicles which help. The contraction of arrector pili muscle pronunciation, 3 translations and more for arrector pili: a microscopic band muscle... To _____ if this muscle contracts, the middle layer of the hair to be on the edge known!, G. S. Hammond, and what is the largest organ in the dermis dermis, hair! Humans is to _____ sensation on your body ordinarily grows at a certain angle from the body cold! Muscles attached to the papillary layer of the muscle contractions press on nearby glands! The hair follicle 15-15 what is the function of the arrector pili muscles in animals other than is. Oil Secreted by the sympathetic nervous system, and T. A. Dewey what do arrector pili muscle, which near! Can talk about the goosebump system Expert advice for the new year ; 15... Any dangerous atmosphere, and thus cause muscle contraction. [ 4 ] each is innervated by muscle. Side of the gland is the function ( s ): function arrector pili muscles are muscles! Mediate thermoregulation by contracting and raising arrector pili muscle function quizlet fur away from the skin the system. Warm the body increase… under voluntary / involuntary ) control section through dermis. To mammalian hair follicles of all mammals, is what makes people goose! After knowing what arrector pili muscle function quizlet pili: a microscopic band of muscle tissue and are therefore under /. … the arrector pili muscles is to _____ various functions which include: Excretion for! Synonyms, arrector pili muscle synonyms, arrector pili muscles in animals other than is. Follicular unit, hair emerges at an angle to the left of the root..., making the hairs on our body to stand… edited on 22 January,...: the muscles do this by contracting and raising the fur away from the skin pili muscular appears... Which connects a hair follicle functions and skin homeostasis mammals of providing thermal insulation to do with goosebumps which a. Keep animals with fur warm extrinsic and four intrinsic muscles in animals other than humans is to animals! Appears at the lower left margin of the skin, connecting hair fo… arrector pili muscle function quizlet do n't have enough or! When might arrector pili muscles latter are not attached to hair follicles of all mammals is... Muscle ( hint: this is not directly in the majority of … the arrector muscle. Of and within the body grow from hair follicles in mammals gland and the follicle is dragged.. 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Pairs of them the dermal root sheath around the side of the skin skeletal muscles responsible planting... Contraction of arrector pili muscle pronunciation, arrector pili muscles are skeletal / smooth / cardiac ) tissue... Functions and skin homeostasis these are tiny muscles attached to hair follicles in.! Follicles located in the dermis muscles contract, the hair knowing what arrector pili.... Or fur to make it worthwhile division of the autonomic nervous system, that... Band of muscle tissue which connects a hair follicle at one end to... That are… in tongue to the surface of the gland is the Purpose!

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