epidermis

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Planarian Anatomy Ontology Class Overview

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NAME:

  epidermis

DEFINITON:

  A single cell layer of post-mitotic epithelial cells containing ciliated and non-ciliated cell types forming the exterior surface of the animal.

TERM DEFINITION CITATIONS:

  OCLC:16809160

TERM CITATIONS:

TERM ID:

  PLANA:0000034

ABOUT THIS TERM:

epidermis

  ↳is a material entity and organ

  ↳contained in tail, copulatory region, ventral region of the whole animal, posterior region of the whole animal, parapharyngeal region, prepharyngeal region, head, dorsal region of the whole animal and anterior region of the whole animal

  ↳develops from epidermal progenitor cell

  ↳existence overlaps Stage 6, juvenile, Stage 5, asexual adult, adult hermaphrodite, Stage 8 and Stage 7

  ↳existence starts during or after Stage 5

  ↳part of integumental system

  → basal lamina of epithelium immediately deep to epidermis

  → non-ciliated epidermis is a epidermis

COMMENTS:

At present, this definition does not apply to epithelial structures other than the dorsal and ventral epidermis (i.e., the pharyngeal epithelium).

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