| primary infertility |
Trouble getting pregnant (infertility) in someone who has never had a successful pregnancy (see primary. ...
출처: www.jansen.com.au/Dictionary_PR.html
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| primary amenorrhea |
Amenorrhea when a woman has never had a spontaneous menstrual period, that is, a period not brought on by hormone treatment. See also primary.
출처: www.jansen.com.au/Dictionary_PR.html
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| primary oocyte |
The form of the ovum, or egg, produced in the ovaries of fetuses by oogonia that have begun the first part of the cell division known as meiosis (by which the chromosomes will eventually halve in number). Persists into childhood and adult life by containment in follicles. Gives rise to a secondary oocyte and the first polar body just before ovulation. See also in vitro maturation.
출처: www.jansen.com.au/Dictionary_PR.html
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| primary spermatocyte |
The form of the sperm cell (or male gamete) at the first stage of spermatogenesis, by which spermatogonia enter meiosis to start to reduce the number of chromosomes for the more mature sperm cells (the spermatozoa) that will eventuate.
출처: www.jansen.com.au/Dictionary_PR.html
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| primordial follicle |
The resting, unstimulated stage of the follicle, in which the egg (as a primary oocyte) is enclosed by just a few thinly stretched follicle cells. Primordial follicles persist in the ovary from fetal life to the time of menopause, declining in number every day during this time, as some start to develop into primary follicles, most of which then are lost through the process of follicular atresia. ...
출처: www.jansen.com.au/Dictionary_PR.html
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