The Bodys Defenses 2 Flashcards
Identify the organ and structures of the gastrointestinal tract
The Gastrointestinal tract (GIT) is a long tube open at both ends for the transit of food during processing.
Organs include the mouth, most of the pharynx, esophagus, stomach, small intestine, and large intestine
Accessory structures include the teeth, tongue, salivary glands, gall bladder and pancreas
Define ruage
Rugae is a term used in anatomy that refers to a series of ridges produced by folding of the wall of an organ. Most commonly the term is applied to the internal surface of the stomach. The function of the rugae is to allow the stomach, or other tissue, to expand when needed.
define sphincter
A ring-shaped muscle that relaxes or tightens to open or close a passage or opening in the body. Examples are the anal sphincter (around the opening of the anus) and the pyloric sphincter (at the lower opening of the stomach).
Define Enteric
relating to or occurring in the intestine
Define parietal cell
an oxyntic (acid-secreting) cell of the stomach wall.