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Antrum - Wikipedia, the free encyclopedia (108 words) |
 | In Biology, "Antrum" is a general term for a cavity or chamber which may have specific meaning in reference to certain organs or sites in the body. |
| antrum cardiacum - a dilation that occurs in the esophagus near the stomach (forestomach) |
| antrum follicularum - the cavity in the epithelium that envelops the oocyte |
| Pyloric antrum - Wikipedia, the free encyclopedia (168 words) |
| Pyloric antrum is initial portion of the pyloric part of the stomach. |
| It may temporarily become partially or completely shut off from the remainder of the stomach during digestion by peristaltic contraction of the prepyloric sphincter; it is demarcated, sometimes, from the second part of the pyloric part of the stomach (pyloric canal) by a slight groove. |
| The pyloric antrum is the location of several important endocrine cells including Gastrin-producing G Cells (stimulate acid production) and the luminal-pH-sensitive population of somatostatin producing of D cells (responsible for shutting off acid secretion. |
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