Lab R. Knwoledge 34 Part 1 Flashcards
The layer that contracts to churn food or move food along
Muscularis
Layer consisting of a membrane that lines a body cavity that opens to the exterior; overlays smooth muscle
Mucosa
Areolar connective tissue layer located deep to the mucosa
Submucosa
A serous membrane that is the external layer of a GI tract organ
Serosa
It’s only function is propulsion
Esophagus
A continuous digestive tube from the mouth to the anus
Alimentary canal
Conducts both air and food
Pharynx
Primary site of nutrient absorption; is composed of 3 sections
Small intestine
Section of small intestine that receives bile, pancreatic secretions, and food from the stomach
Duodenum
Churns food and begins protein digestion
Stomach
Has two sphincters that control elimination of forces from the body
Anus
Has regions called the cardia, fund is, body, and pylorus
Stomach
Had regions called the cecum, colon, rectum, and anal canal
Large intestine
Receives secretions from salivary glands; mastication occurs here
Mouth
Finger-like extensions increasing surface area in the small intestine
Villi
Folds in the gastric mucosa
Rugae
Permanent deep ridges in the small intestine mucosa
Circular folds
Sphincter valve between the stomach and duodenum
Pyloric sphincter
Serous membrane that lines the abdominal wall
Parietal peritoneum
Serous membrane that covers the abdominal organs
Visceral peritoneum
Sphincter that connects the small and large intestine
Ileocecal sphincter
Fluid that begins digestion of carbohydrates
Saliva
