Mesentery

Structure that suspends the small intestine from the posterior body wall

Villi

Fingerlike extensions of the intestinal mucosa that increase the surface area for absorption

Peyer's Patches

Large collections of lymphoid tissue found in the submucosa of the small intestine

Circular folds

Deep folds of the mucosa and submucosa of the small intestine

Tongue

Mobile organ that manipulates food in the mouth and initiates swallowing

Pharynx

Conduit for both food and air

Esophagus

"gullet"; no digestive/absorptive function

Rugae

Folds of gastric mucosa

Haustra

Pocketlike sacs of the large intestine

Microvilli

Projections of the plasma membrane of a mucosal epithelial cell

Ileocecal Valve

valve at the junction of the small and large intestine

Small Intestine

Primary region of food and water absorption

Frenulum

Membrane securing the tongue to the floor of the mouth

Large Intestine

Absorbs water and forms feces

Oral Vestibule

Area between the teeth and lips/cheeks

Appendix

Wormlike sac that out pockets from the cecum

Stomach

Initiates protein digestion

Lesser Omentum

Structure attached to lesser curvature of stomach

Pyloric Valve

Valve controlling food movement from the stomach into the duodenum

Soft palate

Posterosuperior boundary of oral cavity

Anus

Region containing two sphincters through which feces are expelled from the body

Hard Palate

bone-supported anterosuperior boundary of the oral cavity