File:Infant ovary.jpg

From Embryology

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Infant Ovary (human)

In this infant ovary there are a large number of primordial follicles containing immature oocytes (primordial germ cell) forming a thick cortical region and no later stages follicle development. Compare this structure with the other images of an ovary after puberty with reproductive activity.

  • inset - region of whole ovary shown in this image
  • right - ovary surface (tunica albuginea)
  • centre - ovary cortex
  • left - ovary medulla
  • primordial follicle - primary oocyte is surrounded by a single layer of follicular cells.
  • oocytes - enter diplotene stage of meiosis prophase.
    • remain arrested in this early stage of the first meiotic division as a primary oocyte (primordial follicle)


Links: Ovary Development | Oocyte Development | meiosis



Cite this page: Hill, M.A. (2024, May 21) Embryology Infant ovary.jpg. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/File:Infant_ovary.jpg

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© Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G

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current23:12, 21 September 2009Thumbnail for version as of 23:12, 21 September 2009943 × 571 (108 KB)S8600021 (talk | contribs)Infant Ovary, note the large number of primordial follicles around the cortex.