Mace da namiji gonads

Sex gland na jikin mutum cika da dama da muhimmanci ayyuka: kayyade physiological halaye na kasa da kuma ke da alhakin haifuwa. Suna halin a gauraye da irin mugunya, kamar yadda suka nuna da kuma haihuwa Kwayoyin, da kuma takamaiman ji ba gani. Mace da namiji gonads da wasu na musamman fasali. Duk da haka, da tsari na ayyuka da za'ayi gland gonadotropic pituitary ji ba gani.

Ɗa namiji gland shine yake. Ɗa namiji gland ake wakilta testes, wanda samar da maniyyi (sel haihuwar), da kuma androgens (namiji hormones takamaiman).

spermatogenesis matakai faruwa ne a abin da ake kira Leydig Kwayoyin. Da samuwar maniyyi ne kusan ci gaba - da suka fara da balaga da kuma kawo karshen shekaru 50 - 60 years (wannan shi ne mutum data), a lokacin da testes atrophy, kuma su physiological aiki ƙãrẽwa sannu a hankali. Balagagge jam sel a cikin epididymis.

Male maniyyi kunshi wani shugaban, wuyansa, wutsiya da flagellum, da wanda ya iya matsawa. Sel na da da ake kira shugaban acrosome, wanda ya ƙunshi enzymes cewa halakar da harsashi na kwai. A cikin mace farji maniyyi iya zama aiki har zuwa 6 days.

Amma ga jima'i hormones, mafi muhimmanci shi ne testosterone kayayyakin da aka kayyade luteinizing hormone pituitary. Wannan hormone ne m, a ci gaba da namiji jiki, kamar yadda shi ne alhakin:

• da kuma wani karuwa a cikin aiki ci gaban da haihuwa gabobin a lokacin balaga.
• ci gaba na jiki gashi na namiji irin;
• canza a cikin sautin na murya.
• karfi girma da kuma tsoka ci gaba;
• kashi samuwar.
• bayyanar janye zuwa mutane na akasin jima'i.

Kamar yadda ka gani, da jima'i gland a cikin maza yi quite muhimmanci ayyuka. Alal misali, a cikin hali na take hakkin spermatogenesis aiwatar da wani mutum ba zai iya samar da zuriya. Kuma tare da rashin jima'i hormones tasowa da ake kira ciwo - wani mutum ya lura da shaida na kitse a cikin ƙirãza, kwatangwalo kuma gindi, sassan jiki girma disproportionately, al'aurar ne underdeveloped, rashin jima'i so, ci gaba m munanan.

Mace jima'i gland. A gonads na mata suna wakilta ovaries a cikin abin da balagagge kwai da kuma hada mace hormones: estrogen da progesterone. Kowane mace kwai kunshi biyu kwallaye: stroma da bawo.

Ovarian follicles a matakai daban-daban na maturation suna located a cikin bawo. Kuma idan aiwatar da samuwar namiji maniyyi ne lifelong, mata duk jima'i Kwayoyin suna aza riga a lokacin da amfrayo ci gaba. A cikin watan ore daya kawai kwai cewa karya follicle da kuma motsa saukar da fallopian tube. A wurin da follicle siffofin da ayyukan marubuta luteum, wanda sai ya jũya a cikin wani fari, daga baya aka buga a shafin ovum ya rage kananan tabo.

Al'aura ciwon daji a cikin mata, da kuma samar da takamaiman hormones progesterone da estrogen. Estrogens da yawan ayyuka:

• ne alhakin da karuwa a waje da kuma ciki al'aura gabobin a lokacin balaga.
• pilosis kafa mace irin.
• hanzarta ci gaban da mammary gland.
• hana ci gaban kashi a tsawon;
• ta da da tafiyar matakai na kira na fats, wanda aka ajiye a kan kirji da ciki, cinyoyinsa da gindi - musamman da mace jiki;

Progesterone saki da ayyukan marubuta luteum. Its main aiki - shi ne shirya endometrium na cikin mahaifa zuwa ga gabatarwar da wani kwan da ya hadu. Wannan hormone kuma rinjayar da mammary gland, haddasa su zuwa kumbura.

Idan gonads mata ba ya aiki yadda ya kamata, shi ne fraught tare da rashin haihuwa, jinkiri jima'i ci gaba, m rauni.