This is a diagram of the anus. The internal anal sphincter is an involuntary muscle, which means it does its job on its own without any orders from you.
coloncancer.about.com/od/thebasics/ig/Anatomy-of-the-La... coloncancer.about.com/od/thebasics/ig/Anatomy-of-the-Large-Intestine/Anus-Diagram.htm
Diagram of the stomach, showing its anatomical landmarks ("Antrum cardiacum" The cardia is also the site of the lower esophageal sphincter (LES) (also...
en.wikipedia.org/wiki/Cardia
The sphincter is a circular muscle that constricts a passage or closes a natural orifice. When relaxed, a sphincter allows materials to pass through the opening. When contracted, it closes the opening. There are four main sphincter muscles along the alimentary canal that aid in digestion: The cardiac sphincter,
www.kegel-exercise.com/sphincter.html www.kegel-exercise.com/sphincter.html
Schematic diagram of nerves to the bladder and the sphincter urethrae clipart by LifeART. GD303001 Fotosearch Stock Photography and Stock Footage helps you...
www.fotosearch.com/LIF137/gd303001/
Bolus transport diagram. 269 occurs just before the passage of the lower oesophageal sphincter. The display problem could then be solved as follows.
www.iop.org/EJ/article/0143-0815/3/4/002/pmv3i4p267.pdf
It starts at the pyloric sphincter of the stomach and runs about 10 inches. The duodenum is largely responsible for the continuing Q) Using the numbers from the diagram above, list, in order, the structures each mouthful of food or drink passes through on its way through the digestive process. ( 7 ); A) Click here;
www.lessontutor.com/jm_digestive.html
Lower esophageal sphincter - Definition of Lower esophageal sphincter at Dictionary.com a Sphincter diagram · Pyloric sphincter · Sphincter problems...
dictionary.reference.com/browse/lower+esophageal+sphinc... dictionary.reference.com/browse/lower+esophageal+sphincter
The normal sonographic appearance of the mucosa and the sphincter apparatus is shown in Figure 1A,1B. Fig. 1A. —Normal appearance of anal canal. Coronal diagram of anal canal and sphincter apparatus. Longitudinal line (1) shows level of transrectal sonogram.
www.ajronline.org/cgi/content/full/175/3/735
Esophageal Sphincter - Muscle at the end of the esophagus just before the stomach which tightens up to close the esophagus and prohibit stomach acids from refluxing into the esophagus Diagram of esophagus curving to the left Diagram of esophageal sphincter...
www.swordswallow.com/medical.php
phylogeny 1) the study of evolutionary relationships within a group. 2) evolutionary hypotheses represented as a dendrogram or branching diagram. pyloric sphincter The ring of muscle at the junction of the stomach and small intestine that regulates the movement of food into the small intestine. PICTURE...
www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookgloss... www.emc.maricopa.edu/faculty/farabee/BIOBK/BioBookglossPQ.html