apocrine gland
Noun: A type of sweat gland found in mammals, characterized by its relatively large size and a specific mode of secretion where part of the cell's cytoplasm is released along with the secretory product. In humans, these glands are primarily located in areas associated with hair follicles, such as the armpits and groin.
The term "apocrine gland" is used specifically in biological, anatomical, and medical contexts to describe this distinct category of exocrine gland. - It functions as a noun. - It is typically used with definite or indefinite articles ("the apocrine gland", "an apocrine gland") or in the plural form ("apocrine glands").
- Scientific Description:
- The apocrine gland differs from the eccrine gland in its secretion mechanism and location.
- Medical Context:
- Body odor is often associated with the activity of apocrine glands in the axillary region.
- Comparative Anatomy:
- In many mammals, apocrine glands are more widely distributed across the body than in humans.
- "Apocrine secretion": Refers to the specific process where the apical portion of the gland cell pinches off and is released into the duct. This is the defining characteristic of the gland.
- The study focused on the biochemistry of apocrine secretion.
- "Apocrine sweating": Sometimes used to describe perspiration originating from these glands, though it is not a major contributor to thermoregulation.
- Emotional stress can stimulate apocrine sweating.
- Apocrine (adj): Pertaining to or characterized by apocrine secretion.
- The apocrine method of secretion is one of three main types.
- Eccrine gland (n): The other major type of sweat gland in humans, responsible for thermoregulatory sweating.
- Sebaceous gland (n): An oil-secreting gland associated with hair follicles, often found in the same skin regions as apocrine glands.
- Large sweat gland: A descriptive synonym highlighting its size relative to eccrine glands.
- Scent gland: In some animal contexts, apocrine glands function as scent glands, though this is not a precise scientific synonym for humans.
The core meaning is anatomical. It does not have idiomatic or phrasal verb uses. Its definition is precise and technical, centered on its structure (large, associated with hair follicles), location (hairy body regions in humans), and unique secretory mechanism (apocrine secretion).
- a large sweat gland that produces both a fluid and an apocrine secretion; in human beings located in hairy regions of the body