zona transitionalis analis

zona transitionalis analis
[TA] anal transitional zone: the transitional zone around the anocutaneous line, where the simple columnar epithelium of the anus changes to the stratified squamous epithelium typical of external skin.

Medical dictionary. 2011.

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Look at other dictionaries:

  • zona — 1. SYN: zone. 2. SYN: herpes zoster. [L. fr. G. zone, a girdle, one of the zones of the sphere] z. arcuata SYN: arcuate zone. z. ciliaris SYN: ciliary zone. z. corona SYN: costal fringe. z. dermatica a rid …   Medical dictionary

  • anal transitional zone — zona transitionalis analis …   Medical dictionary

  • cloacogenic zone — zona transitionalis analis …   Medical dictionary

  • zone — A segment; any encircling or beltlike structure, either external or internal, longitudinal or transverse. SEE ALSO: area, band, region, space, spot. SYN: zona (1) [TA]. [L. zona] …   Medical dictionary

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