germinal vesicle


Also found in: Dictionary, Thesaurus, Medical, Acronyms, Wikipedia.

germinal vesicle

[′jər·mən·əl ′ves·ə·kəl]
(cell and molecular biology)
The enlarged nucleus of the primary oocyte before reduction divisions are complete.
References in periodicals archive ?
Changes in porcine oocyte germinal vesicle development as follicles approach preovulatory maturity.
The nucleus had sometimes disappeared owing to germinal vesicle breakdown.
of oocytes ([micro]M) provided for Developed to activation (d) Cleaved blastocyst 0 42 21 (50) 9 (21) (f) 25 43 21 (49) 2 (5) (g) 50 44 23 (52) 3 (7) (g) 100 37 22 (59) 2 (5) (g) COC = Cumulus oocyte complex; GV = Germinal vesicle; GVBD = Germinal vesicle breakdown; MII = Metaphase II.
The chromatin configuration of the germinal vesicle (GV) oocytes during culture was evaluated by fluorescence staining.
Table 2 in 2011) CA=cortical alveolar; GVM=germinal vesicle migration; GVBD= germinal vesicle breakdown; NA=not applicable; OM=oocyte maturation; POF=postovulatory follicle; SC *=spawning capable, actively spawning subphase; Vtgl=primary vitellogenic; Vtg2=secondary vitellogenic; Vtg3=tertiary vitellogenic.
Comparison of different vitrification procedures on developmental competence of mouse germinal vesicle oocytes in the presence or absence of cumulus cells.