n.
The inhibition and relaxation of a previously sustained contraction of a muscle or synergistic group of muscles, such as the cardiac sphincter.
chalasia
| Medical Dictionary: cha·la·sia |
(kə-lā'zē-ə, -zhə) or cha·la·sis (-lā'sĭs)
n.
n.
| 5min Related Video: chalasia |
| Veterinary Dictionary: chalasia |
Relaxation of a bodily opening, such as the cardiac sphincter. See also megaesophagus.
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 | Gastroesophageal Reflux Scan (surgical term) |
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Copyrights:
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 | Medical Dictionary. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Read more |
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| Veterinary Dictionary. Saunders Comprehensive Veterinary Dictionary 3rd Edition. Copyright © 2007 by D.C. Blood, V.P. Studdert and C.C. Gay, Elsevier. All rights reserved. Read more |
