The haploid products of the second meiotic division in spermatogenesis. Differentiate into mature spermatozoa.

Dictionary of molecular biology. 2004.

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  • spermatids — n. any of four haploid cells that develop into a sperm cell …   English contemporary dictionary

  • Spermatid — Infobox Anatomy Name = Spermatid Latin = GraySubject = 258 GrayPage = 1243 Caption = Germinal epithelium of the testicle. 1: basal lamina 2: spermatogonia 3: spermatocyte 1st order 4: spermatocyte 2nd order 5: spermatid 6: mature spermatid 7:… …   Wikipedia

  • Spermatogonium — Infobox Anatomy Name = Spermatogonium Latin = GraySubject = 258 GrayPage = 1243 Caption = Germinal epithelium of the testicle. 1 basal lamina, 2 spermatogonia, 3 spermatocyte 1st order, 4 spermatocyte 2nd order, 5 spermatid, 6 mature spermatid, 7 …   Wikipedia

  • Germ cell — Germ cells are progenitors of the gametes. These singled out cells move through the gut to the developing gonads and undergo mitotic proliferation followed by meiosis and differentiation into either eggs or sperm (mature gametes). Plants do not… …   Wikipedia

  • Spermatocyte — Infobox Anatomy Name = male Latin = GraySubject = 258 GrayPage = 1243 Caption = Transverse section of a tubule of the testis of a rat. X 250. Caption2 = Scheme showing analogies in the process of maturation of the ovum and the development of the… …   Wikipedia

  • spermatocyte — Parent cell of a spermatid, derived by mitotic division from a spermatogonium. [spermato + G. kytos, cell] primary s. the s. derived by a growth phase from a spermatogonium …   Medical dictionary

  • spermiogenesis — That segment of spermatogenesis during which immature spermatids become spermatozoa. [sperm + G. genesis, origin] * * * sper·mio·gen·e·sis .spər mē ō jen ə səs n, pl e·ses .sēz 1) SPERMATOGENESIS 2) transformation …   Medical dictionary

  • Testicle — Diagram of male (human) testicles …   Wikipedia

  • Spermatogenesis — is the process by which male spermatogonia develop into mature spermatozoa. Spermatozoa are the mature male gametes in many sexually reproducing organisms. Thus, spermatogenesis is the male version of gametogenesis. In mammals it occurs in the… …   Wikipedia

  • Germ line development — The cells that give rise to the gametes are often set aside during cleavage. During development, these cells will differientate into primordial germ cells, migrate to the location of the gonad, and form the germ line of the animal. Creation of… …   Wikipedia

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