Tšoelesa ea pituitary

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Kakaretso

Tšoelesa ea pituitary e botebong ba hlooho. Hangata e bitsoa "master gland" hobane e laola lintho tse ngata tse etsoang ke litšoelesa tse ling.

Ka holim'a pituitary ke hypothalamus. E romella matšoao a lihormone kapa motlakase ho pituitary. Tsena li supa hore na pituitary e tla ntša lihormone life.

Ka mohlala, hypothalamus e ka 'na ea romela hormone e bitsoang GHRH, kapa hormone ea ho hōla e lokollang hormone. Seo se ka qholotsa pituitary ho tsoa hoa hormone ea kholo, e amang boholo ba mesifa le masapo.

See se bohlokoa hakae? Ho se fumane ho lekaneng nakong ea bongoana ho ka baka ho fokola ha pituitary. Ho fumana ho hongata haholo ho ka baka boemo bo fapaneng bo bitsoang gigantism. 'Meleng o seng o holile, kholo e kholo ea kholo e ka baka acromegaly. Ka boemo bona, litšobotsi tsa sefahleho li ba thata ebile li nepahetse; lentsoe le teba haholoanyane; 'me boholo ba letsoho, leoto le lehata boa atoloha.

Taelo e fapaneng ea lihormone e tsoang ho hypothalamus e kanna ea baka ho tsoa ha qoqotho e susumetsang hormone kapa TSH.TSH e etsa hore qoqotho e ntše lihomone tse peli tse bitsoang T3 le T4 tse susumetsang metabolism liseleng tse ling ho pholletsa le 'mele.

Pituitary e ka boela ea ntša hormone e bitsoang antidiuretic hormone, kapa ADH. E hlahisoa ho hypothalamus mme e bolokiloe ka pituitary. ADH e ama tlhahiso ea moroto. Ha e tsoa, ​​liphio li monya mokelikeli o mongata o fetang ka tsona. Seo se bolela hore ho hlahisoa moroto o fokolang.

Joala bo thibela ho tsoa ha ADH, ka hona ho noa lino tse tahang ho baka tlhahiso ea moroto o mongata.

Tšoelesa ea pituitary e hlahisa lihormone tse ling tse laolang ts'ebetso le lits'ebetso tse ling tsa 'mele.

Mohlala, li-hormone tse khothatsang, kapa FSH, le luteinizing hormone, kapa LH, ke lihormone tse amang mae a bomme le tlhahiso ea mahe ho basali. Ho banna, li ama liteko le tlhahiso ea semela.

Prolactin ke hormone e amang lisele tsa matsoele ho bo-mme ba anyesang.

ACTH kapa adrenocorticotrophic hormone e etsa hore litšoelesa tsa adrenal li hlahise lintho tsa bohlokoa tse tšoanang le li-steroids.

Khōlo, bohlankana, ho ba le lefatla, esita le maikutlo a kang tlala le lenyora, ke tse ling tsa lits'ebetso tse susumetsoang ke sistimi ea endocrine.

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• Lihlahala tsa Pituitary