- anal folds
- slight elevations flanking the anal membrane and derived from the cloacal folds; they form the margin of the anus.
Medical dictionary. 2011.
anal folds
Look at other dictionaries:
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cloacal folds — slight elevations located just lateral to the cloacal membrane early in the fifth week of embryonic development, later dividing into urogenital folds and anal folds … Medical dictionary
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