Njira yotulutsira umuna
Zamkati
Sewerani kanema wathanzi: //medlineplus.gov/ency/videos/mov/200019_eng.mp4Kodi ichi ndi chiani? Sewerani kanema wathanzi ndimafotokozedwe amawu:Chidule
Umuna umapangidwa ndikumasulidwa ndi ziwalo zoberekera zamwamuna.
Mayesowa ndipamene umuna umapangidwa. Mayesowa amalumikizidwa ndi ziwalo zonse zoberekera zamwamuna ndi ma vas deferens, zomwe zimafikira m'munsi mwa mafupa a chiuno kapena ilium, ndikukulunga mpaka ampulla, seminal vesicle, ndi prostate. Mkodzo umatuluka kuchokera mu chikhodzodzo kudzera mu mbolo.
Kupanga umuna m'mayesowa kumachitika m'malo otchingidwa otchedwa seminiferous tubules.
Pamwamba pa machende alionse pali epididymis. Awa ndi mawonekedwe ngati chingwe pomwe umuna umakhwima ndikusungidwa.
Njira yomasulirayo imayamba mbolo ikadzaza magazi ndikukhala chilili. Kupitiliza kulimbikitsa mbolo kumayambitsa kukodza.
Umuna wokhwima umayamba ulendo wawo poyenda kuchokera ku epididymis kupita ku vas deferens, yomwe imalimbikitsa umuna kupita patsogolo ndikuthwa kwa minofu.
Umuna umafika koyamba pa ampulla pamwambapa prostate gland. Apa, zowonjezera kuchokera ku seminal vesicle yomwe ili pafupi ndi ampulla imawonjezedwa.
Chotsatira, madzi amadzimadzi amapita patsogolo kudzera m'mitsempha yopangira madzi kupita ku mtsempha. Pamene imadutsa prostate gland, imatulutsa madzi amkaka kuti apange umuna.
Pomaliza, umuna umatulutsidwa kuchokera ku mbolo kudzera mu mtsempha.
- Kusabereka Kwa Amuna