What is apocrine merocrine?
noun, plural: merocrine glands. A type of exocrine gland in which the secretory products are released without resulting any damage to the cell. Supplement. Exocrine glands can be classified according to how their products are released from the secretory cell: apocrine gland.
Are apocrine sweat glands merocrine?
Sebaceous glands are holocrine glands, and sweat glands (both eccrine and apocrine ones) are merocrine glands.
Which glands are merocrine?
Examples
- Salivary glands.
- Pancreatic glands.
- Certain sweat glands.
What are merocrine apocrine and holocrine glands give examples?
Exocrine glands are named apocrine glands, holocrine glands, or merocrine glands based on how their products are secreted. Holocrine secretion – the entire cell disintegrates to excrete its substance; for example, sebaceous glands of the skin and nose, meibomian gland, zeis gland, etc.
What is the difference between apocrine and merocrine glands?
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.
What does merocrine gland mean in anatomy?
n. A gland whose secretory cells produce a secretion but are not destroyed or damaged during the process.
Where are merocrine sweat glands found?
These are only found in the axillae, breast, and pubic and perineal regions. They are similar to apocrine sweat glands, but open out onto the upper regions of hair follicles, like sebacous glands. They only secrete after puberty. They produce a cloudy secretion, which starts to smell if bacteria react with it.
What’s the difference between apocrine and eccrine glands?
Eccrine glands occur over most of your body and open directly onto the surface of your skin. Apocrine glands open into the hair follicle, leading to the surface of the skin. Apocrine glands develop in areas abundant in hair follicles, such as on your scalp, armpits and groin.
Where are the merocrine glands?
What is Merocrine gland example?
Merocrine glands are the most common subtype. By definition, merocrine gland secretions exit the cell via exocytosis. An example of merocrine secretion is the eccrine sweat gland. Apocrine glands, in contrast, form buds of the membrane which break off into the duct, losing part of the cellular membrane in the process.
How do merocrine apocrine and holocrine differ?
What is the difference between apocrine, holocrine and merocrine secretion? Merocrine secretion doesn’t result in damage to the cell. With apocrine secretion, part of the cell breaks off and is released. Holocrine secretion destroys the whole cell.
How do merocrine and apocrine sweat glands differ in structure and function?
Merocrine gland cells produce their product in cells which export the product into ducts which transfer the material to the skin surface. Apocrine glands differ by using exocytosis and actually secrete portions of the gland’s cells.
What are the disorders of sebaceous glands?
The sebaceous glands, which secrete oil onto the skin, lie in the dermis, the skin layer just below the surface layer (epidermis). Sebaceous gland disorders include acne, rosacea, perioral dermatitis, and sebaceous cysts.
What are the functional classification of exocrine glands?
Functional classification. Exocrine glands can also be classified according to how they secrete their products. There are three categories of functional classification: holocrine glands, merocrine (or eccrine) glands, and apocrine glands. Holocrine glands accumulate their secretions in each cell ’ s cytoplasm and release the whole cell into the duct.
What is the function of exocrine glands?
Function of Exocrine Glands. Depending on the exocrine gland, they can function to regulate body temperature, lubricate, nurture newborns (lactation), aid in digestion, and aid in reproduction.
What are sweat glands?
Anatomical terminology. Sweat glands, also known as sudoriferous or sudoriparous glands, from Latin sudor, meaning ‘sweat’, are small tubular structures of the skin that produce sweat. Sweat glands are a type of exocrine gland, which are glands that produce and secrete substances onto an epithelial surface by way of a duct.