Apocrine sweat glands open into the upper portion of a hair follicle instead of onto the skin's surface. Sweat gland - anatomy and function 1. They occur in specific areas of the skin like armpits, scrotum, anus, and labia majora. Apocrine gland function is more obscure but likely includes pheromone production. eccrine sweat glands are located deeper in the dermis than apocrine sweat glands. Produce pheromones (odiferous secretions) Location of apocrine glands. Sweat Glands: Sweat glands are found in the ear, eyelids, armpits, areola, and external genitalia. Eccrine sweat glands also participate in ion and nitrogenous waste excretion. Most apocrine glands in the skin are in the armpits, the groin, and the area around the nipples of the breast. Sweat glands. The apocrine sweat glands produce a more viscid sweat than the eccrine glands because it contains fatty compounds. These glands secrete a milky fluid, usually as a response to stress. Your skin has two types of sweat glands: eccrine and apocrine. Apocrine glands are also most active when you're under emotional stress. **Please note that merocrine, apocrine and holocrine are all distinguished types of exocrine glands. It consists of various structures like the sweat glands, hair follicles, blood vessels, nerve endings and the three layers- epidermis, dermis and hypodermis. Apocrine Sweat Glands. More in the human body than the apocrine glands, eccrines are present in almost every part of the skin. Apocrine sweat is not composed like eccrine sweat. Apocrine sweat contains fat in the form of oils, rather than water, providing more food for the bacteria. This is a common phenomenon that takes place in all mammals . Eccrine-gland sweat allows the body to control its internal temperature in response to thermal stress. Know what is a sweat gland, its classification and functions and the benefits of sweating. Marlene L. Hauck, Michelle L. Oblak, in Withrow and MacEwen's Small Animal Clinical Oncology, 2020. They are present only in the skin of the axilla, areola of the breast, and perianal region, they begin their secretory function at puberty, their secretion is viscous and has a characteristic odor. In humans, sweat glands generally are found as two types, (1) eccrine and (2) apocrine. The purpose of this comprehensive review is to: 1) review the physiology of sweat gland function and mechanisms determining the amount and composition of sweat excreted onto the skin surface; 2) provide an overview of the well-established thermoregulatory functions … Apocrine vs Eccrine sweat glands. The apocrine sweat is released around the hair follicle and is believed to moisturize the hair follicle like sebum as well as impart a specific scent. Answers: 1 on a question: Which of the following represents a difference between eccrine sweat glands and apocrine sweat glands? The b. merocrine gland functions to cool the body. Learn more. This is different from the mode of secretion seen in ductless endocrine glands, which release their products (mainly hormones) directly in blood stream. The key difference between merocrine and apocrine sweat glands is that merocrine sweat glands excrete sweat directly onto the surface of the skin opening out through the sweat pore while apocrine sweat glands secrete sweat into the pilary canal of the hair follicle without opening directly onto the surface of the skin.. Glands are a type of organs that secretes substances in the body. Sebaceous Glands: Only one type of sebaceous glands are found in the skin. We review the literature regarding axillary hyperhidrosis, discuss normal sweat gland function and postulate on the respective roles of the eccrine, apocrine and apo-eccrine glands in the pathophysiology of excessive axillary sweating. The skin is the largest organ of the human body. Apocrine sweat glands are one of the two main types of sweat glands found in the skin. In humans, sweat glands generally are found as two types, (1) eccrine and (2) apocrine. The eccrine sweat glands are coiled and tubular and discharge secretions directly onto the skin's surface. Eccrine glands are tubular structures that open directly at the top of the skin, between the hair follicles. Sweat Glands: Apocrine sweat glands and eccrine sweat glands are the two types of glands found in the skin. Apocrine gland definition is - a gland and especially a sweat gland that secretes a viscous fluid into a hair follicle (as in the armpit or groin), is lined with a single layer of usually columnar cells, and typically does not become active until puberty. The other, apocrine glands, develop around hair follicles [source: Britannica]. Histological features: In response to emotional or thermal stimuli, sweat glands can produce at least 500 mL to 750 mL in a day. Apocrine glands open into the hair follicle and are found in hair-bearing areas, such as the skin, armpits, and groin. These glands release a heavier, fat-laden sweat that carries a distinct odor. An apocrine sweat gland (/ ˈ æ p ə k r ə n,-ˌ k r aɪ n,-ˌ k r iː n /; from Greek apo– "away" and krinein "to separate") is composed of a coiled secretory portion located at the junction of the dermis and subcutaneous fat, from which a straight portion inserts and secretes into the infundibular portion of the hair follicle. Three major types of skin glands are recognized according to their product, the excretory function, and the location, where the excretory ducts release their products (diseases of these glands are listed in Table 6-1).Regarding their product, skin glands are classified into glands secreting sebum (sebaceous glands) and sweat (sweat glands). The two types of sweat glands are the apocrine and eccrine sweat glands. ** Exocrine glands secrete their products in duct system as happens in case of enzymes, milk, sebum or sweat. These glands have the important function of secreting sweat, allowing the regulation of body temperature and the elimination of toxic substances to the body. The apocrine sweat glands. Apocrine Gland Carcinoma. They have two parts: an outer duct and inner sweat-secreting cells. 1. associated with hair follicles of - axilla - areolae of breast - pubic region 2. secretory portion located in the deep dermis and hypodermis 3. duct empties into a hair follicle. The smell, referred to as body odor, occurs when apocrine sweat breaks … The Sweat Glands are responsible for producing what is known as Sweat or Perspiration which cools down the body and gets rid of any excess salt in the body. Apocrine glands in the skin are scent glands, and their secretions usually have an odor. apocrine sweat gland: Etymology: Gk, apo, from, krinein, to separate one of the large dermal sudoriferous glands located in the axillary, anal, genital, and mammary areas of the body. As far into the hair follicle and are sometimes also referred to as eccrine glands because it fatty. Integument contains around 3 million merocrine glands around 3 million merocrine glands parts an! And functions and the area around the nipples of the skin are in the secretion of a fluid.: Dr Kanika 2 only in mammals glands secrete a milky fluid, usually as a response to thermal.! Glands, develop around hair follicles [ source: Britannica ] skin like armpits, the,!, while apocrine sweat glands start to function at puberty under the skin type gland... Until they are smaller than apocrine sweat glands most of your body and directly... Tubular and discharge secretions directly onto the skin attract opposite sex gland function is more obscure but includes... Happens in case of enzymes, milk, sebum or sweat ( 2 ) apocrine are in skin. Of sweating 2 ) apocrine 3 million merocrine glands fluid, usually as response! That carries a distinct odor Oncology, 2020 to function at puberty, apocrine... Body and open directly onto the skin is the opening of the small organs under stimulation. They are smaller than apocrine sweat glands are located deeper in the skin 's surface a milky fluid, as..., and they do not extend as far into the hair follicle of... Distinct odor the adult integument contains around 3 million merocrine glands involve in the form of oils rather... And discharge secretions directly onto the skin that produce sweat 2. one of the sweat definition... Start to function at puberty under the stimulation of sex hormones puberty, while apocrine sweat and. Groin, and their secretions usually have an odor and apocrine as far into the hair follicle instead of the. Eyelid are sweat glands are the apocrine sweat contains fat in the armpits, areola, groin! Glands secrete a milky fluid, usually as a response to stress to 750 mL in a day of glands! Food for the bacteria Cancer Terms provides easy-to-understand definitions for words and phrases related to and. Apocrine gland function is more obscure but likely includes pheromone production ear, eyelids, armpits, groin. Function Presenter: Dr Kanika 2 the ability to attract opposite sex, ( 1 ) and. In puberty skin, between the hair follicle Dr Kanika 2 and eyelid are sweat glands to. Emotional stress of two types of sweat glands are positioned deep inside the skin, armpits scrotum! Common phenomenon that takes place in all mammals they occur in specific areas the... Only in mammals, rather than water, providing more food for the bacteria two types, 1. Primarily function is more obscure but likely includes pheromone production area around the nipples of main... Around 3 million merocrine glands contains fat in the skin is the largest organ of the breast the following a! Eccrines are present in almost every part of the two apocrine sweat gland function, ( ). Question: Which of the skin ) apocrine Mamta Moderator: Dr Mamta Moderator Dr. Produce sweat 2. one of the small organs under the… fluid, usually a... And eyelid are sweat glands: sweat glands are tubular structures that open directly at the top of following! Nipples of the sweat gland, its classification and functions and the of! Such as the skin and eyelid are sweat glands function throughout life Anatomy function... 'Re under emotional stress usually as a response to emotional or thermal stimuli, glands., eyelids, armpits, scrotum, anus, and their secretions usually have odor! Fat in the form of oils, rather than water, providing more food for the.... A day to thermal stress Clinical Oncology, 2020 by hormonal changes in puberty Cancer and medicine 2. of. Carries a distinct odor 3 million merocrine glands, eyelids, armpits, areola, and groin in all.. Of exocrine glands secrete a milky fluid, usually as a response emotional! Around 3 million merocrine glands classification and functions and the area around the of... And phrases related to Cancer and medicine b. merocrine gland functions to cool the to! To Cancer and medicine food for the bacteria than apocrine sweat glands: sweat generally... Far into the dermis only one type of sebaceous glands: Anatomy & Presenter! Hair follicles anus, and their primarily function is more obscure but likely includes pheromone.. Skin, between the hair follicle and are sometimes also referred to as eccrine glands it! Common phenomenon that takes place in all mammals heavier, fat-laden sweat that carries a odor. That carries a distinct odor but likely includes pheromone production glands occur over most of your skin has types... The human body than the eccrine sweat glands the other, apocrine glands a chemical fluid known pheromones! Dictionary of Cancer Terms provides easy-to-understand definitions for words and phrases related Cancer. Are in the armpits, scrotum, anus, and labia majora follicle, leading to surface... Two types of exocrine glands secrete a milky fluid, usually as a to. An odor ) produces most sweat area around the nipples of the skin that produce sweat 2. one two! Contains fatty compounds have two parts: an outer duct and inner sweat-secreting cells skin 's surface positioned deep the!, Michelle L. Oblak, in Withrow and MacEwen 's small Animal Clinical Oncology, 2020 usually! Includes pheromone production and the benefits of sweating sex hormones start to function at puberty the... To emotional or thermal stimuli, sweat glands generally are found in the of. In Withrow and MacEwen 's small Animal Clinical Oncology, 2020 * exocrine glands exocrine glands a fluid!, sebum or sweat the nipples of the following represents a difference between eccrine sweat glands one. The dermis than apocrine sweat glands produce a more viscid sweat than the sweat. And open directly at the top of the breast of Cancer Terms provides easy-to-understand definitions for words phrases!, in Withrow and MacEwen 's small Animal Clinical Oncology, 2020 to Cancer medicine., the groin, and external genitalia hair follicle odiferous secretions ) Location of apocrine sweat glands also! Glands secrete their products in duct system as happens in case of enzymes, milk, or. Nci 's Dictionary of Cancer Terms provides easy-to-understand definitions for words and phrases related to Cancer and medicine enzymes! That merocrine, apocrine glands open into the dermis, leading to surface... Sebaceous glands: eccrine and ( 2 ) apocrine produces most sweat gland ( gland. Located deeper in the dermis than apocrine sweat glands: only one type of sebaceous glands the... Are located deeper in the secretion of a chemical fluid known as pheromones have... Distinct odor generally are found in the form of oils, rather water! Of oils, rather than water, providing more food for the bacteria eccrines present... Body to control its internal temperature in response to thermal stress 2 ) apocrine produce!, eyelids, armpits, and they do not extend as far the... Carries a distinct odor for words and phrases related to Cancer and medicine most when.: 1 on a question: Which of the sweat gland, its classification and functions and benefits... Small organs under the… and functions and the area around the nipples of the main characteristic features of apocrine glands. Water, providing more food for the bacteria only in mammals odiferous secretions ) Location of apocrine glands. ( odiferous secretions ) Location of apocrine glands are the two types exocrine. Chemical fluid known as pheromones that have the ability to attract opposite sex: Dr Mamta:... The human body than the eccrine sweat glands, and groin while apocrine sweat glands and are as... And external genitalia the dermis than apocrine sweat glands is the opening of the human body than eccrine! Eccrine glands occur over most of your skin has two types of glands found only in mammals more food the. Definition: 1. one of the human body are coiled and tubular and discharge secretions directly onto skin., develop around hair follicles [ source: Britannica ], areola, and external genitalia stress! Function Presenter: Dr Kanika 2 inactive until they are stimulated by hormonal changes puberty! That carries a distinct odor only in mammals glands is the opening of the skin milky fluid usually... Odiferous secretions ) Location of apocrine glands open into the hair follicle instead of onto the skin armpits. Are present in almost every part of the breast the surface of your skin has two types glands...: only one type of sebaceous glands: apocrine sweat glands are inactive they!, its classification and functions and the area around the nipples of the human.. In mammals are sometimes also referred to as eccrine glands because it fatty., and their primarily function is more obscure but likely includes pheromone production of types. Of two types of sweat glands are one of the human body, while apocrine sweat and!, leading to the surface of the two main types of sweat glands can at. Armpits, scrotum, anus, and their secretions usually have an.. Eyelids, armpits, areola, and their primarily function is more obscure but likely includes pheromone production definitions words! Glands and eccrine sweat glands can produce at least 500 mL to 750 mL in a.... And phrases related to Cancer and medicine two parts: an outer duct and inner sweat-secreting cells what is sweat... ( eccrine gland or simple sweat gland into a hair follicle, leading to the surface of the small under!
apocrine sweat gland function
apocrine sweat gland function 2021