digestive tract

plicae

*Part if the small intestine *(circular folds) are permanent ridges in the mucosa that encircle the inside of the small intestine. The ridges force food to spiral forward. The spiral motion helps mix the chyme with the digestive juices.

duodenum

*Part if the small intestine *First part of the small intestine

jejunum

*Part if the small intestine *Second part of the small intestine

ileum

*Part if the small intestine *The final segment of the small intestine

appendix

*Part of the large intestine *A small, fingerlike extension of the vertebrate cecum; contains a mass of white blood cells that contribute to immunity.

ileocecal valve

*Part of the large intestine *A sphincter located on the terminal end of the ileum that prohibits backflow of chime into the small intestine

haustra

*Part of the large intestine *Pouches that form in the large intestine when the longitudinal muscles are shorter than the colon

sigmoid colon

*Part of the large intestine *The S-shaped portion of the colon between the descending colon and the rectum

cecum

*Part of the large intestine *The cavity in which the large intestine begins and into which the ileum opens

taenia coli

*Part of the large intestine *The longitude muscle of the colon arranged into three distinct bands.

transverse colon

*Part of the large intestine *The part of the colon that passes horizontally across the abdomen, below the liver, stomach, and spleen, and is above the small intestine.

ascending colon

*Part of the large intestine *The part of the large intestine that ascends from the cecum to the transverse colon

descending colon

*Part of the large intestine *The part of the large intestine that descends from the transverse colon to the sigmoid colon

pylorus

*Part of the stomach *Distal region of the stomach, opening to the duodenum

body

*Part of the stomach *In between the fundus and the pylorus of the stomach

greater curvature

*Part of the stomach *Lateral surface of the stomach

lesser curvature

*Part of the stomach *Medial surface of stomach

fundus

*Part of the stomach *Most superior part of the stomach, where gas may collect

pyloric sphincter

*Part of the stomach *Ring of smooth muscle fibers around the opening of the stomach into the duodenum

cardia

*Part of the stomach *Superior medial portion of the stomach where the esophagus connects

cardiac orifice

*Part of the stomach *The esophagus joins the stomach through an opening called the

rugae

*Part of the stomach *The internal folds of the stomach are known as....

stomach

A J-shaped, muscular pouch located in the abdomen.

esophagus

A muscular tube that connects the mouth to the stomach.

rectum

A short tube at the end of the large intestine where waste material is compressed into a solid form before being eliminated

small intestine

Digestive organ where most chemical digestion and absorption of food takes place

Large intestine

Organ where water is absorbed from the food and taken into the blood stream. prepares undigested food for elimination from body

anus

The opening through which wastes are eliminated and is separated from the rectum by two sphincters that regulate elimination

omental appendices

accumulations of fat on large intestine