Topic 11 - Secretory epithelia classification of glands Flashcards
1
Q
gland
A
single cell/cells for secretion, may have a complex duct system. develop from the surface epithelia by invagination into the underlying connective tissue
2
Q
function
A
secretion
3
Q
secretion
A
enegy expensive-take up molecules, transform them into more complex product then release them from use by organism
4
Q
excretion
A
removal of waste products or toxins
5
Q
compund
A
lobes, lobules, secretory units
6
Q
stroma
A
surrounds compound gland, made of collagen, reticular and elastic fibres.
7
Q
Classification of glands
A
- By nr of cells: uni- or multicellular.
- By position: intra-/endoepithelial or extra-/exoepithelial
- By transport of secretion: with ducts - exocrine or without - endocrine
8
Q
Morphology of the acini
A
- tubular(simple, ramified, compound)
- acinar(simple, ramified, compound)
- tubuloacinar(simple, ramified, compound)
9
Q
Unicellular
A
intrapithelial gland (goblet cell)
10
Q
Multicellular
with/without ducts
A
without: endocrine
with:
simple, bracnched, coiled -tubular
tubular, ascinar
