also: らんほう
ovarian follicle
Anatomical term for the fluid-filled sac in the ovary that contains an immature egg.
超音波検査で卵胞の大きさを測ります。
We measure the size of the follicle with an ultrasound.
Ovulation occurs when the follicle has matured sufficiently.
Standard kanji spelling; the reading らんぽう is the most common.
Alternate reading; less common than らんぽう.
Compound of 卵 (egg) and 胞 (sac/cell), directly describing the anatomical structure.