Gastrointestinal System Flashcards
Mouth
also known as the oral or buccal cavity
Esophagus
25 cm long 10-30 mm diameter
Peristalsis begins
openings of the stomach
cardiac orfice and pyloric orfice
regions of the stomach
cardi, fundus, body, pylorus
small intestine
duodenum, jejunum, ileum
duodenum
25 cm long, starts at pyloric
sphincter of stomach
jejunum
3 feet in length
extends to the ileum
ileum
distal portion of the small bowel
6 feet in length
joins the large intestine at the ilocecal valve
large intestine
cecum, ascending colon, hepatic flexure, transverse colon, splenic flexure, descending colon,sigmoid colon, rectum/anal cana
cecum
small pouch portion of intestine below the junction of the ileum and the colon approximately 2.5 inches in length and 3 inches in diamter
ascending colon
ascends on the right of the abdomen
hepatic flexure
ascending colon truns abruptly
transverse colon
continues across the abdomen
splenic flexure
curves beneath the inferior end of the spleen
descending colon
passes inferiorly to the level of the iliac crest