FB2025_05 , released December 11, 2025
FB2025_05 , released December 11, 2025
CV Term Report
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General Information
Term primary spermatocyte in meiotic metaphase I ID (Ontology) FBbt:00057147 (Fly Anatomy)
Definition Primary spermatocyte during meiotic metaphase I (GO:0007132). The chromatin is highly condensed, the parafusorial or paranuclear membranes (three to five layers of double membranes) encircle the nucleus and the astral membranes (stack of approximately 13 umbrella-shaped layers, each with a central hole) cup each pole of the spindle-shaped nucleus. The mitochondria are clustered around the equator of the spindle region and oriented parallel to the long axis of the cell.[ FlyBase:FBrf0064778 ]
Also Known As "primary spermatocyte during metaphase of the first meiotic division"
Comment Make into XP once OBO:rel 'during' is legal.
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  primary spermatocyte
   |__meiotic primary spermatocyte
       |__primary spermatocyte in meiotic metaphase I
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Is a meiotic primary spermatocyte
Develops from primary spermatocyte in meiotic prophase I
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Synonyms
  • "primary spermatocyte during metaphase of the first meiotic division" EXACT[ FlyBase:FBrf0064778 ]
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