Hlangana intloko yethu engundoqo - Brain pituitary

Nawuphi obunobunzima lunokubakho kuphela ngenxa injani. Oku kuyinyaniso, imbali eqinisekisiwe kwaye nexesha. Umzimba womntu - yinto njengoluhlu lwezixokelelwano enobuzaza asebenza kakuhle phantsi kwesikhokelo yonyango kunye neenkqubo luvo. A umphathi jikelele mbandela uphela yobuchopho ingqondo yebhinqa. Ngubani na lo yobuhlakani?

Le posa yobuchopho lincinane kakhulu kwaye imperceptible. Ukukhula akaphumeleli, ubukhulu uyafana nut amaplanga incinci, ubunzima ayikwazanga chwetheza - grams nje 0.65 okanye ngaphantsi. Ngaphandle liphethe iinxalenye ezimbini. Front alekwe izihlunu glandular, ngasemva - luvo. Ngenxa yale ukuziphikisa angathunyelwa ngamagama amabini. Ukuba sithethe ngayo inxalenye yokuqala, ibizwa ngokuba yebhinqa sobuKristu. Xa kufikwa apho icandelo ukoyika umhlobo wethu, ukuba igama lakhe ngamaxesha like this neurohypophysis.

Buchopho zinqabile kakhulu, ngoko ke kufuneka bakhuselwe. Le posa yobuchopho akukho ngaphandle. Loo nto yenzeka kuye, wahlala kwindawo kakuhle ekhuselweyo - in a gorge enzulu. Sikhoyo kufuphi isiseko nobuchopho yesali, wabiza umntu Turkish.

Emva kokuba umhlobo emfutshane kunye nobuntu yingqondi ugqithele ubuchule bakhe buchopho. Bachaphazela kwizigaba ezahlukeneyo zobomi bomntu. Ukunika wazala umntwana, incum-ukondla usana, ngenxa yokuba umntwana akhule omdala; ukuze kufa lunxano ngamaxesha embandezelo kunye nokugula, kufuneka ubunzima esempilweni kunye noxinzelelo lwegazi, ukuba abe mood elungileyo elide ngokwaneleyo - kufuneka ukuba ingqondo yebhinqa. Ukophulwa imisebenzi kule misebenzi nzima kakhulu ubomi.

Yintoni ebandakanyekileyo kule ngentsimbi emangalisayo? Ikhupha amaqashiso kwezinto esebenzayo ezahlukeneyo, ezibizwa lithetha - iihomoni. zibaluleke kakhulu ezi iihomoni efanayo. Zonke ezi nkqubo ngasentla emzimbeni wethu alwenzeki ngaphandle iihomoni. Ngoko ukuze akhule, ufuna hormone somatotropin (abantu yaziwa ngokuba a hormone nokukhula). Akhulelwe Palsy akunakwenzeka ngaphandle FSH kunye luteinizing hormone. Ekuzalweni, waqala ukulwa i yioxytocin kubaluleke kakhulu kwaye prolactin ayikho ngaphandle ngobisi lukanina umntwana othandekayo bani.

Le posa yobuchopho banawo. imisebenzi yayo ukuze sengozini. Yebhinqa sifo efanayo xa Manager abagulayo hayi indawo. Kwiimeko ezinjalo, badla ngokuqala iingxaki ezithile kwinkqubo yokuvelisa, ukulibaziseka kunye wawuhamba. kwenzeka into efanayo xa ingqondo yebhinqa siyeka ukuvelisa naluphi hormone okanye engena zabo umzimba incinane kakhulu (negative) okanye kakhulu (excess).

Hormone luchaphazela amalungu ezidalwe yebhinqa-oxhomekeke ezifana adrenal namadlala, amaqanda, injeke kunye lengqula. Ngamnye kubo elikhokelwa lisebe lakhe kwaye wenza imisebenzi ebekwe phambi posa yakhe. Ngoko ke, ukuba ukungaphumeleli iqala kwi ingqondo yebhinqa, lonke inkqubo yonyango akaphumeleli, kubangele iingxaki ezinkulu kulo umzimba.

Le yebhinqa iqala ukuba uyasilela ngenxa nangezilonda, ukusuka ekukhuleni olukhawulezisiweyo ye endlaleni leyo kuvela. Luqalisa inkqubo njenge kwezakhi okanye iimeko zangaphandle - kweemeko ezingaginyisi zokusingqongileyo, imitha, umonakalo engqondweni. It kwandisa isixa izihlunu glandular le yebhinqa ngokuqhelekileyo ezimagqagala: ezinye iiseli baba kakhulu ngokuxhaphaza abanye. Ngenxa yezo seli, bezizininzi, ukuvelisa agqithisile yincindi, kunye nabo bangenalo ngokwaneleyo, kubangele ukuba yokunqongophala kwamanye iihomoni. imali eseleyo kwamadlala kuphazanyiswa. Isiphumo - kakhulu ezimbini; ukwaphula ezincinane ukuba sexesheni ukugqiba ukusilela yonke inkqubo yonyango. Ityala yokugqibela kuvavanywa iinkcukacha ze uchaze endocrinologists ezifana eyaziwa, njengoko uNikolay Itsenko kunye Harvey Cushing. Esi sifo ubizwa ngamagama abo lokuqala.

Ngelishwa, ukubuyisela ngokupheleleyo zabagula umsebenzi yebhinqa ukuza kuthi ga akwenzeki, kuba akukho luqondwa ngokupheleleyo izizathu ezi ukunyhashwa. Bonke oogqirha ukuyenza ukufundisa isigulane ukuba silondoloze ukulinganisela hormone kunye ababambeleyo hormone zithathwe ubomi.