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1. subdivisions of the mucosa epithelium, lamina propria, muscularis mucosae
2. function of mucosa protection, secretion, absorption
3. function of submucosa nourishes surrounding tissues, transports absorbed
materials
4. layers of muscularis externa inner circular layer and outer longitudinal layer
5. function of the muscularis externa segmentation/peristalsis of digested food
6. layers of serosa -areolar connective connective
- simple squamous epithelium
7. Function of serosa/adventitia reduce friction as organs slide across one another
8. How is the muscularis externa of the Besides the usual circular and longitudinal layers of
stomach modified? smooth muscle, it also has an innermost layer of
smooth muscle that runs obliquely.
9. what transition in epithelial type ex- stratified squamous to simple columnar
ists at the gastroesophageal junc-
tion?
10. Fingerlike extensions of the intesti- villi
nal mucosa that increase the surface
area for absorption
11. large collections of lymphoid tissue Peyer's patches
found in the submucosa of the small
intestine
12. Mobile organ that manipulates food tongue
in the mouth and initiates swallowing
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, A&P II: Lab Exam 3
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13. conduit for both air and food pharynx
14. The "gullet"; no digestive/absorptive esophagus
function
15. projections of the plasma membrane microvilli
of a mucosal epithelial cell
16. Valve at the junction of the small and ileocecal valve
large intestines
17. primary region of food and water ab- small intestine
sorption
18. Membrane securing the tongue to frenulum
the floor of the mouth
19. wormlike sac that outpockets from appendix
the cecum
20. initiates protein digestion stomach
21. structure attached to the lesser cur- lesser omentum
vature of the stomach
22. covers most of the abdominal organs greater omentum
like an apron
23. valve controlling food movement pyloric valve
from the stomach into the duodenum
24. region containing two sphincters anus
through which feces are expelled
from the body
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