정자, Sperms

질 강 속에 사정된 정자들

한번 성교를 할 때 약 2~5억 개의 정자가 질강 속으로 사정된다

정자의 구조

a-머리, b-핵, c-마이토콘드리아, d-꼬리부분, e-정자의 중간 부분, m-정자의 측면, n-정자의 전후면

참고문헌-Review of Medical Physiology, 5 Edition, William F. Ganong, Lange Medical Publications

Sperm

sperms Sperm ejaculated in the vaginal cavity About 200 to 500 million sperm are ejaculated into the vaginal cavity in one intercourse

Sperm structure a-head, b-nucleus, c-mitochondria, d-tail, the middle part of e-sperm, m-side of sperm, n-front and back of sperm References-Review of Medical Physiology, 5 Edition, William F. Ganong, Lange Medical Publications

Copyright ⓒ 2014 John Sangwon Lee, MD., FAAP

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