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. Learn more. Apocrine gland function is more obscure but likely includes pheromone production. sweat gland definition: 1. one of the small organs under the skin that produce sweat 2. one of the small organs under the…. It's the bacteria feeding on the sweat that causes body odor. 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. Apocrine Gland Carcinoma. They have two parts: an outer duct and inner sweat-secreting cells. 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 gland function is more obscure but likely includes pheromone production. 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). They occur in specific areas of the skin like armpits, scrotum, anus, and labia majora. These are the major sweat glands and are sometimes also referred to as eccrine glands. The other, apocrine glands, develop around hair follicles [source: Britannica]. Apocrine glands open into the hair follicle, leading to the surface of the skin. 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. More in the human body than the apocrine glands, eccrines are present in almost every part of the skin. Eccrine glands occur over most of your body and open directly onto the surface of your skin. Apocrine sweat glands are inactive until they are stimulated by hormonal changes in puberty. Other functions of eccrine glands Sweat production in response to emotional tension, heat & pain, & to expel waste materials such as salts, lactate & urea Structure of apocrine glands Eccrine-gland sweat allows the body to control its internal temperature in response to thermal stress. In response to emotional or thermal stimuli, sweat glands can produce at least 500 mL to 750 mL in a day. Another type of gland (eccrine gland or simple sweat gland) produces most sweat. Answers: 1 on a question: Which of the following represents a difference between eccrine sweat glands and apocrine sweat glands? ** Exocrine glands secrete their products in duct system as happens in case of enzymes, milk, sebum or sweat. eccrine sweat glands begin to function at puberty, while apocrine sweat glands function throughout life. These glands have the important function of secreting sweat, allowing the regulation of body temperature and the elimination of toxic substances to the body. Types Of Human Sweat Glands. The NCL‐SG3 cell line is the only available immortalized human eccrine sweat gland cell line and, despite its drawbacks, continues to provide new information on cell signalling in eccrine gland function; for example, oxytocin, 90 oestrogen, 93 galanin 94 and PAR‐2 receptor activation 95 all influence sweat gland cell function. Apocrine sweat glands involve in the secretion of a chemical fluid known as pheromones that have the ability to attract opposite sex. Sweat gland - anatomy and function 1. Apocrine vs Eccrine sweat glands. Eccrine sweat glands are one of two types of sweat glands found only in mammals. In humans, sweat glands generally are found as two types, (1) eccrine and (2) apocrine. Apocrine sweat glands start to function at puberty under the stimulation of sex hormones. The apocrine sweat glands. The adult integument contains around 3 million merocrine glands. Histological features: Merocrine sweat glands A type of sweat gland that is far more numerous and widely distributed than apocrine sweat glands is the merocrine sweat glands, also known as eccrine sweat glands. Sweat Glands : Anatomy & Function Presenter : Dr Mamta Moderator: Dr Kanika 2. NCI's Dictionary of Cancer Terms provides easy-to-understand definitions for words and phrases related to cancer and medicine. Introduction • Sweat gland (sudoriferous gland) is an epithelial skin appendage • Type of exocrine gland • 3 types • Vary in type and density depending on anatomic location They are smaller than apocrine sweat glands, and they do not extend as far into the dermis. Know what is a sweat gland, its classification and functions and the benefits of sweating. In humans, sweat glands generally are found as two types, (1) eccrine and (2) apocrine. The apocrine sweat glands produce a more viscid sweat than the eccrine glands because it contains fatty compounds. Produce pheromones (odiferous secretions) Location of apocrine glands. Apocrine sweat gland tumors are relatively uncommon in dogs (1% of all skin tumors) and cats (3% of all skin tumors) (see Tables 19.1 and 19.2).In a series of apocrine gland tumors, 40 of 44 dogs and 8 of 10 cats had malignant apocrine gland carcinomas. Apocrine glands open into the hair follicle and are found in hair-bearing areas, such as the skin, armpits, and groin. Apocrine glands in the skin are scent glands, and their secretions usually have an odor. Apocrine Sweat Glands. Apocrine glands in the skin and eyelid are sweat glands. This is different from the mode of secretion seen in ductless endocrine glands, which release their products (mainly hormones) directly in blood stream. Types. Sweat Glands: Apocrine sweat glands and eccrine sweat glands are the two types of glands 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 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. It consists of various structures like the sweat glands, hair follicles, blood vessels, nerve endings and the three layers- epidermis, dermis and hypodermis. Eccrine Glands. Apocrine sweat glands open into the upper portion of a hair follicle instead of onto the skin's surface. Sweat glands are positioned deep inside the skin, and their primarily function is temperature regulation. 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 … Marlene L. Hauck, Michelle L. Oblak, in Withrow and MacEwen's Small Animal Clinical Oncology, 2020. Sebaceous Glands: Sebaceous glands secrete sebum. Secretion. Thus, it results in a stronger odor. The skin is the largest organ of the human body. 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. Your skin has two types of sweat glands: eccrine and apocrine. 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. Most apocrine glands in the skin are in the armpits, the groin, and the area around the nipples of the breast. The b. merocrine gland functions to cool the body. Function of the sweat glands. Sweat Glands: Sweat glands are found in the ear, eyelids, armpits, areola, and external genitalia. **Please note that merocrine, apocrine and holocrine are all distinguished types of exocrine glands. The smell, referred to as body odor, occurs when apocrine sweat breaks … This is a common phenomenon that takes place in all mammals . eccrine sweat glands are located deeper in the dermis than apocrine sweat glands. These glands release a heavier, fat-laden sweat that carries a distinct odor. Apocrine sweat glands are one of the two main types of sweat glands found in the skin. The eccrine sweat glands are coiled and tubular and discharge secretions directly onto the skin's surface. 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. Eccrine sweat glands also participate in ion and nitrogenous waste excretion. Sebaceous Glands: Only one type of sebaceous glands are found in the skin. Sweat glands. Function of apocrine sweat glands. The two types of sweat glands are the apocrine and eccrine sweat glands. These glands secrete a milky fluid, usually as a response to stress. Apocrine sweat contains fat in the form of oils, rather than water, providing more food for the bacteria. Eccrine-gland sweat allows the body to control its internal temperature in response to thermal stress. 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