secondary spermatocyte


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Related to secondary spermatocyte: primary spermatocyte, primary oocyte, secondary oocyte

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.

sec·on·dar·y sper·ma·to·cyte

the spermatocyte derived from a primary spermatocyte by the first meiotic division; each secondary spermatocyte produces two spermatids by the second meiotic division.

sec·on·dar·y sper·mat·o·cyte

(sek'ŏn-dar-ē spĕr-mat'ō-sīt)
The spermatocyte derived from a primary spermatocyte by the first meiotic division; each secondary spermatocyte produces two spermatids by the second meiotic division.

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.
References in periodicals archive ?
In the secondary spermatocyte, the thick chromatids are clumped along the cell periphery.
340 [micro]m) shows a maximum spermatogenic activity with primary, secondary spermatocytes and spermatids; the discontinuous (23.
Hence, a significant reduction in spermatogonia, spermatids and secondary spermatocytes was observed in the TD group.
The FSH is responsible for the development of spermatogonia to secondary spermatocytes through different stages namely spermatogonia, spermatids, sertoli cells and secondary spermatocytes.
To estimate the relative frequency of nondisjunction and malsegregation, secondary spermatocytes (metaphase II cells, MII) were scored for the number of metacentric and acrocentric macrochro-mosomes and presence of either the Y or two X chromosomes.
Therefore, reproductive phases of males were recognized according to the presence of spermatogonia, primary and secondary spermatocytes, spermatids and spermatozoa.
In early recrudescence, primary spermatocytes predominate, whereas in late recrudescence, secondary spermatocytes and spermatids are most abundant; (3) Spermiogenesis, lumina of the seminiferous tubules are lined by clusters of sperm or metamorphosing spermatids.
Specifically, primary spermatocytes and secondary spermatocytes strongly expressed cPdcl2 mRNA at 10 weeks.
Three stages in the testicular cycle (Table 1) were present: (1) regressed (= quiescence), seminiferous tubules contain Sertoli cells and spermatogonia; (2) recrudescence (= recovery), proliferation of cells in the germinal epithelium is in progress, primary, secondary spermatocytes and, in some cases, spermatids are present; (3) spermiogenesis (= sperm production), lumina of seminiferous tubules lined by spermatozoa; clusters of metamorphosing spermatids are present.