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primary spermatocyte

   Also found in: Dictionary/thesaurus, Encyclopedia, Wikipedia 0.03 sec.
spermatocyte /sper·ma·to·cyte/ (sper-mat´o-sīt) a cell developed from a spermatogonium in spermatogenesis.spermatocy´talspermatocyt´ic
primary spermatocyte  a diploid cell that has derived from a spermatogonium and can subsequently begin meiosis and divide into two haploid secondary spermatocytes.
secondary spermatocyte  one of the two haploid cells into which a primary spermatocyte divides, and which in turn gives origin to spermatids.

primary spermatocyte
n.
The spermatocyte arising by a growth phase from a spermatogonium.

spermatocyte [sper-mat´o-sīt]
the mother cell of a spermatid.
primary spermatocyte the original large diploid cell into which a spermatogonium develops; it can later undergo the first meiotic division into the secondary spermatocyte.
secondary spermatocyte a haploid cell produced by meiotic division of the primary spermatocyte; it can then develop into the spermatid.

spermatocyte
the mother cell of a spermatid.

primary spermatocyte
daughter cell of a spermatogonium (an incongruous nomenclature in such an intensely masculine context). It undergoes the first meiotic division.
secondary spermatocyte
a cell produced by meiotic division of the primary spermatocyte, and which gives rise to the spermatid.


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During the winter months, the cycle is interrupted, and germinal cysts do not develop further than primary spermatocytes.
At recovering stage, a few primary spermatocytes or previtellogenic oocytes are apparent along the acinal wall, with nutritive phagocytes filling the lumen (Fig.
[FIGURE 1 OMITTED] Primary spermatocytes are formed by mitosis of the spermatogonia.
 
 
 
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