WebAnatomy of the Stomach. The stomach lies just below the diaphragm in the upper part of the abdominal cavity primarily to the left of the midline under a portion of the liver.The main … Web(SFINK-ter) 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) …

chapter 29: The Digestive System Flashcards Quizlet

WebThe cardiac sphincter closes to allow the food to stay within the stomach so it can be digested. Cardiac sphincter, working with the pyloric sphincter keeps the stomach content from moving elsewhere. Stomach. Ridges of muscle tissue called rugae line the stomach. The stomach muscles contract periodically, churning food to enhance digestion. WebThe proventriculus is a standard part of avian anatomy, and is a rod shaped organ, located between the esophagus and the gizzard of most birds. [2] It is generally a glandular part of the stomach that may store … houdini who

cardiac sphincter Definition of cardiac sphincter by Webster

Webcardiac sphincter: 1 n the valve between the distal end of the esophagus and the stomach; the physiological sphincter at the esophagogastric junction Type of: physiological … WebMar 9, 2012 · Iris Sphincter. Sphincters are circular muscles that open and close passages in the body to regulate the flow of substances, such as … WebThe rectoanal inhibitory reflex (RAIR) (also known as the anal sampling mechanism, anal sampling reflex, rectosphincteric reflex, or anorectal sampling reflex) is a reflex characterized by a transient involuntary relaxation of the internal anal sphincter in response to distention of the rectum. The RAIR provides the upper anal canal with the ability to … houdini wife death