The b. merocrine gland functions to cool the body. 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. 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. Eccrine-gland sweat allows the body to control its internal temperature in response to thermal stress. The apocrine sweat glands produce a more viscid sweat than the eccrine glands because it contains fatty compounds. Types. eccrine sweat glands are located deeper in the dermis than apocrine sweat glands. Sebaceous Glands: Only one type of sebaceous glands are found in the skin. Eccrine sweat glands also participate in ion and nitrogenous waste excretion. Histological features: Apocrine sweat is not composed like eccrine sweat. Marlene L. Hauck, Michelle L. Oblak, in Withrow and MacEwen's Small Animal Clinical Oncology, 2020. 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 … 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. Apocrine sweat glands involve in the secretion of a chemical fluid known as pheromones that have the ability to attract opposite sex. Sweat glands are positioned deep inside the skin, and their primarily function is temperature regulation. 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. Sweat gland - anatomy and function 1. They have two parts: an outer duct and inner sweat-secreting cells. Apocrine gland function is more obscure but likely includes pheromone production. Apocrine gland function is more obscure but likely includes pheromone production. Apocrine Gland Carcinoma. These are the major sweat glands and are sometimes also referred to as eccrine glands. Produce pheromones (odiferous secretions) Location of apocrine glands. Sebaceous Glands: Sebaceous glands secrete sebum. 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. Sweat Glands: Sweat glands are found in the ear, eyelids, armpits, areola, and external genitalia. The adult integument contains around 3 million merocrine glands. Secretion. Apocrine glands in the skin are scent glands, and their secretions usually have an odor. What are Apocrine Sweat Glands. sweat gland definition: 1. one of the small organs under the skin that produce sweat 2. one of the small organs under the…. Most apocrine glands in the skin are in the armpits, the groin, and the area around the nipples of the breast. The apocrine sweat glands. Learn more. Apocrine sweat glands are one of the two main types of sweat glands found in the skin. Another type of gland (eccrine gland or simple sweat gland) produces most sweat. Eccrine Glands. Apocrine glands in the skin and eyelid are sweat glands. 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