gonocyte


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gonocyte

(ˈɡɒnəʊˌsaɪt)
n
(Biology) an oocyte or spermatocyte
References in periodicals archive ?
Analysis of gene expression profiles of microdissected cell populations indicates that testicular carcinoma in situ is an arrested gonocyte.
2000) The paternal methylation imprint of the mouse H19 locus is acquired in the gonocyte stage during foetal testis development.
In UDT, the initial transformation from neonatal gonocyte to adult dark spermatogonium, as well as the controlled apoptosis of extraneous adult dark spermatogonium, are both inhibited; the former predisposes an individual to infertility, and the later to malignancy (Hutson et al.
6] suggests that the effect of the exposure may delay gonocyte development, and decrease fetal body weight and testis weight.
5, or postnatal day (PND) 4--time points chosen to reflect the period before, during, and after the appearance of DBP-induced MNGs and gonocyte aggregation.
Fetal gonocyte markers, including OCT3/4, NANOG, placental alkaline phosphatase (PLAP), podoplanin (D2-40), and stem cell factor (SCF), stain IGCNU but not normal, hypertrophic, multinucleated, or reactively enlarged spermatogonia.
Fetal mouse phthalate exposure shows that gonocyte multinucleation is not associated with decreased testicular testosterone.
Human germ cell tumors are considered to have an in utero origin, and androgens are required for progression of the transformed gonocyte (fetal germ cell) or carcinoma in situ (CIS) to a germ cell tumor in humans.
Key words: anti-Mullerian hormone, environmental chemicals, follicle-stimulating hormone, FSH, gonocyte, inhibin-A, Leydig cell, LH, peritubular myoid cell, Sertoli cell, sewage sludge, testosterone.
The most widely accepted hypothesis regarding the pathogenesis of GCTs involves a complex multistep process that begins in utero, where primordial germ cells or gonocytes fail to differentiate into prespermatogonia.
During male embryogenesis, primordial germ cells (PGCs) derived from the epiblast relocate in the genital ridges and experience differentiation into gonocytes (McLaren, 2003).