Mod 2- exocrine glands Flashcards
Parotid, submandubular and sublingual glands are all what type of gland
Tubuloacinar glands
functions of the exocrine glands (7)
- Protection- barrier/lubricant
- Buffering- alter PH
- Digestion- breaks starches
- Antimicrobial
- Tooth integrity
- Tissue repair- less bleeding
- Taste
serous cells- how does the nucleus looks and what does it secrete
round or slightly ovoid nucleus, centrally located
digestive enzyme a amylase
what do intercallated ducts add and remove frm saliva and what type of epithelium are they formed by
add bicarbonate (for buffering) Absorb Chloride
Cuboidal epithelium
Striated ducts secrete what/ absorb what and are made up of what type of epithelium and where are they found
midway between apical and basal cell surfaces
secrete potasium/ anibodies
absorb sodium
Colummner cells
what is ranula
frog like tongue, filled with secretin that is blocked with excessive material
Sub lingual glad- secretes what, what type of glands
composed mainly from mucous acini with serous demilunes
Produces mixed saliva
(5% of total saliva)
What are serous demilunes
serous cells that form half moons on mucus producing acini
Submandibular gland- how much saliva does it produce and what type of output (serous/mucus)
60% of total saliva
90% serous, 10% mucous
Parotid gland- scretes what and how much saliva
secretes alpha amaylase
produces 30% saliva