Pehea e hana ʻia ai ka Sperm?

Anter

• Hōʻike Overview
• Ma hea e hua ʻia ai ka sperm?
• Pehea e hana ʻia ai ka sperm?
• Pehea ka lōʻihi e hana ai i ka sperm hou?
• ʻO ka lawe lawe ʻana

Hōʻike Overview

Hoʻonohonoho pono ʻia kahi ʻōnaehana hānau a kahi kāne e hana, mālama, a lawe i ka sperm. ʻAʻole like me ka wahine genitalia, aia nā kino hānau kāne ma loko o ka ʻaoʻao a me waho o ka lua pelvic. Pākuʻi ʻia lākou:

• nā hōʻike (testicle)
• ka ʻōnaehana duct: epididymis a me vas deferens (sperm duct)
• nā mea kōkua: nā vesicle seminal a me ka gland prostate
• ka peni

Ma hea e hua ʻia ai ka sperm?

Hana ʻia ka sperm i loko o nā testicle. I ka wā ʻōpio, e hoʻopuka ke kāne i miliona mau hunaola sperm i kēlā me kēia lā, e ana ana kēlā me kēia ma kahi o 0,002 ʻīniha (0.05 millimeter) ka lōʻihi.

Pehea e hana ʻia ai ka sperm?

Aia kekahi ʻōnaehana o nā paipu liʻiliʻi i nā testicle. ʻO kēia mau paipu, i kapa ʻia he mau tubule seminiferous, hale i nā hunaola germ i nā homone - e like me ka testosterone, ka hormone kāne kāne - ke kumu e lilo i sperm. Māhele a hoʻololi nā hunaola a hiki i ke ʻano o nā tadpoles me ke poʻo a me ka huelo pokole.

Hoʻokomo nā huelo i ka sperm i loko o kahi ʻōmole ma hope o nā hōʻike i kapa ʻia ʻo epididymis. No ʻelima mau pule, huakaʻi ka sperm ma waena o ka epididymis, e hoʻopau ana i kā lākou ulu ʻana. Ke hele i waho o ka epididymis, neʻe ka sperm i nā vas deferens.

Ke hoʻonāukiuki ʻia kahi kāne no ka moekolohe, hui ʻia ka sperm me ka wai seminal - kahi wai keʻokeʻo i hana ʻia e nā seminal vesicle a me ka gland prostate - e hana i ka semen. Ma muli o ka hoʻonāukiuki ʻana, ua kipaku ʻia ka semen i loko o 500 miliona sperm, mai loko aʻe o ka peni (ejaculated) ma o ka urethra.

Pehea ka lōʻihi e hana ai i ka sperm hou?

ʻO ke kaʻina hana o ka hele ʻana mai kahi cell germ i kahi cell sperm makua hiki ke hoʻoulu i ka hua manu ma kahi o 2.5 mau mahina.

ʻO ka lawe lawe ʻana

Hana ʻia ka Sperm i loko o nā testicle a hoʻomohala i ke oʻo ʻana ke hele nei mai nā tubula seminiferous ma o ka epididymis i loko o nā vas deferens.