seminiferous tubule


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Related to seminiferous tubule: Sertoli cells, spermatogenesis

seminiferous tubule

n.
One of two or three twisted, curved tubules in each lobule of the testis in which spermatozoa develop.

seminif′erous tu′bule


n.
any of the coiled tubules of the testis in which spermatozoa are produced.
[1855–60]
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.seminiferous tubule - any of the numerous long convoluted tubules in the testis which are the sites where spermatozoa mature
tubule - a small tube
ballock, bollock, testicle, testis, orchis, egg, ball, nut - one of the two male reproductive glands that produce spermatozoa and secrete androgens; "she kicked him in the balls and got away"
References in periodicals archive ?
Water efflux from the Sertoli cells of the germinal epithelium and from germ cells controls the seminiferous tubule fluid to create a suitable environment for spermatogenesis (Russell et al.
Caption: This colored scanning electronic micrograph shows the tails of sperm cells (yellow) developing in a seminiferous tubule in the testis.
The data show that the treatment with nandrolone increased the lumen of the seminiferous tubule and tunica propria, and decreased the seminiferous epithelium.
Takahashi et al (2004) observed that the administration of AAS caused serious morphologic disorders in testes, whereas Shah (2010) reported that the weight of testes and epididymis in rats decreased following ND administration Noorafshan et al (2005) reported a decline in testes volume and in seminiferous tubule length on 14th week of ND administration.
Intraluminal epithelium showed synchronization with recipient seminiferous epithelium, which can be clearly observed in Figure 1B, where spermatogoniuns are present in the base of seminiferous tubule.
The evaluation of cell population was based on the calculation made for each cell type per cross section of the seminiferous tubule.
All germ cell and Sertoli cell nucleoli present at stage VIII of the seminiferous epithelium cycle (SEC) were counted in 10 round or nearly-round seminiferous tubule cross-sections, chosen at random, for each animal.
Closer examination of a section of seminiferous tubule reveals a more elaborate structure (Figure 5-15b).
A chemical known as lonidamine prevents developing sperm from staying attached to the cells lining the seminiferous tubule and causes infertility in rats and men, says the Population Council's C.