oocyte

(redirected from Primary oocytes)
Also found in: Dictionary, Thesaurus, Medical.
Related to Primary oocytes: Ovocyte

oocyte

[′ō·ə‚sīt]
(histology)
An egg before the completion of maturation.
References in periodicals archive ?
In addition, females can resorb their developing primary oocytes when nutritionally stressed (Lecoq 1975, Sundberg et al.
Oogenesis consists of major phases including: expansion of the oogonia population by mitotic divisions, a resting phase where primary oocytes remain in meiotic prophase 1, an LH surge-induce completion of the first meiotic division, and fertilization-induced completion of the second meiotic division.
We identified a single intersex fish, and it contained a small number of primary oocytes in the perinucleolar stage surrounded by testicular tissue.
Luteinizing hormone A pituitary glycoprotein hormone that stimulates development of ovarian follicles to the preovulatory stage, induces ovulation, and causes the primary oocyte to complete the first meiotic division.
4a-e; 11a), the ovarian germinal epithelium consists of somatic NPs and germ cells, including AOs; conical or gum drop-shaped RVPOs; and, occasionally, residual degenerating primary oocytes (DPOs).
Primary oocytes in the control group were oval-shaped cells with oval nucleus and large nucleolus.
Free sperm are readily observed in proximity to primary oocytes in light-microscope squash preparations of the posterior oviduct (Fig.
The two species that Silen (1966) examined have planktotrophic larvae and spawn primary oocytes through a secondary reproductive structure called an intertentacular organ (ITO).
The in vitro embryo production system includes three major steps, namely in vitro maturation of the primary oocytes, in vitro fertilization of the matured oocytes and in vitro culture of presumptive embryos, until transferred or cryopreserved for future use (Cognie et al.
Histologically, ovaries were at rest, containing only primary oocytes (POC) at chromatin nucleolar stage, having diameter of 129.
Just before ovulation, a primary follicle containing a primary oocyte grows and eventually divides.

Full browser ?