secondary oocyte


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Related to secondary oocyte: oogenesis, zona pellucida, primary oocyte

sec·on·dar·y o·o·cyte

an oocyte in which the first meiotic division is completed; the second meiotic division usually stops short of completion unless fertilization occurs.
Farlex Partner Medical Dictionary © Farlex 2012

sec·on·dar·y o·o·cyte

(sek'ŏn-dar-ē ō'ŏ-sīt)
An oocyte in which the first meiotic division is completed; the second meiotic division usually stops short of completion unless fertilization occurs.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012

secondary oocyte

The larger of the two cells produced by the first meiotic division of the primary oocyte.
See: polar body
See also: oocyte
Medical Dictionary, © 2009 Farlex and Partners
References in periodicals archive ?
On day 14, in response to the LH surge, the mature follicle (now termed a secondary oocyte) is released from the ovary and begins to descend down the fallopian tube.
Legends: Primary oocytes (PO), primordial follicles cells (PFH), Epithelial cells (E), tunica albuginea (TA), theca interna (TI), theca eksterna (TE), zona pellucida (ZP), antrum (A), granuloza cells (GH), Secondary oocytes (PO), corona radiata (CR), cumulus oophorus (CO).
The intersex condition included clusters of primary oocytes nested in an otherwise normal testicular tissue and, in the more severe condition, contained secondary oocytes (Figure 6E).
The Ascaris-type fertilization process is typical of species in which sperm fuse with primary or secondary oocytes. In M.