yolk cell

Planarian Anatomy Ontology Class Overview

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NAME:

  yolk cell


DEFINITON:

  An extraembryonic cell, produced by somatic vitellogenic glands in adult hermaphrodites, that provides nutrition to the developing embryo.


TERM DEFINITION CITATIONS:

  PMID:27149082


TERM CITATIONS:


TERM ID:

  PLANA:0000107


ABOUT THIS TERM:

yolk cell

  ↳is a reproductive system product and terminally differentiated cell

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

  ↳existence overlaps juvenile and adult hermaphrodite

  ↳existence starts during or after juvenile

  ↳part of embryonic wall

  ↳produced by vitelline gland


  → yolk syncytium produced by yolk cell


  → vitelline gland produces yolk cell



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