P2. modes of secretion by glands. Flashcards
1
Q
what are the three (3) modes of secretion by glands?
A
- merocrine
- holocrine
- apocrine
2
Q
releases products, usually containing PROTEINS by EXOCYTOSIS at the apical end of the secretory cells.
A
merocrine secretion
3
Q
most exocrine glands are…
A
merocrine
4
Q
produced by the [disintegration] of the secretory cells as they complete their terminal differentiation, which involve becoming filled with product.
[break up into small part due to impact or decay]
A
holocrine
5
Q
best example for holocrine glands are…
A
sebaceous glands of hair follicles
6
Q
involves loss of MEMBRANE-ENCLOSED apical cytoplasm, usually contaning one or more lipid droplets
A
apocrine
7
Q
what are the secretions involve in MAMMARY GLANDS
A
- merocrine
- apocrine