| pelvirectal sphincter | <anatomy> A circular band of muscular fibres at the recto sigmoid junction. Synonym: O'Beirne's sphincter, O'Beirne's valve, pelvirectal sphincter. (05 Mar 2000) |
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| pelvirectal |
pertaining to the pelvis and the rectum.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| pelvirectal a. |
one lying immediately above the levator ani muscle, in close relation to the wall of the rectum.
Ãâó: www.mercksource.com/pp/us/cns/cns_health_library.j...
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| pelvirectal achalasia |
Congenital absence of ganglion cells in the distal large bowel, resulting in failure of the colon to relax.
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