Sengoli: Frank Hunt
Letsatsi La Creation: 12 La March 2021
Ntlafatsa Letsatsi: 18 November 2024
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Litaba

Tšoelesa ea pituitary, e tsejoang hape e le pituitary gland, ke tšoelesa e bokong e ikarabellang bakeng sa tlhahiso ea lihormone tse 'maloa tse lumellang le ho boloka tšebetso e nepahetseng ea' mele.

Ts'ebetso ea tšoelesa ea pituitary e laoloa ke hypothalamus, e leng sebaka sa boko se ikarabellang bakeng sa ho bona tlhoko ea mmele le ho romella tlhaiso-leseling ho pituitary hore lits'ebetso tsa 'mele li laoloe. Kahoo, pituitary e etsa mesebetsi e 'maloa' meleng, joalo ka taolo ea metabolism, kholo, ho ilela khoeli, tlhahiso ea mahe le peo ea botona le tlhaho ea corticosteroids.

E etselitsoe eng

Sefuba sa pituitary se ikarabella mesebetsing e fapaneng ea 'mele, joalo ka metabolism, ho ilela khoeli, kholo le tlhahiso ea lebese lifuba. Mesebetsi ena e etsoa ho tsoa tlhahisong ea lihormone tse 'maloa, tsa mantlha e le:


  • GH, eo hape e tsejoang e le kholo ea lihormone, e ikarabella ho kholo ea bana le bacha mme e bapala karolo ea bohlokoa ho metabolism. Keketseho ea tlhahiso ea GH e fella ka gigantism le ho fokotseha ha tlhahiso ea eona, nyenyefatso. Ithute haholoanyane ka kholo ea hormone;
  • ACTH, eo hape e bitsoang adrenocorticotrophic hormone kapa corticotrophin, kaha e hlahisoa ke litšoelesa tsa adrenal, tlasa tšusumetso ea tšoelesa ea pituitary, mme e lebisa tlhahisong ea cortisol, e leng hormone e ikarabellang ho laoleng khatello ea maikutlo le ho netefatsa phetoho ea mmele mmele maemong a fapaneng. Bona hore na ho ka ba le tlhahiso e kholo kapa e nyane ea ACTH;
  • Oxytocin, e leng hormone e ikarabellang bakeng sa mahlaba a popelo nakong ea pelehi le ho susumetsang tlhahiso ea lebese, ntle le ho fokotsa maikutlo a khatello ea maikutlo le ho loants'a matšoenyeho le khatello ea maikutlo. Tseba litlamorao tse kholo tsa oxytocin 'meleng;
  • TSH, e tsejoang hape e le hormone e hlohlelletsang qoqotho, hobane e ikarabella ho hlohlelleng qoqotho ho hlahisa lihormone tsa T3 le T4, tse bohlokoa molemong oa ts'ebetso ea metabolism. Ithute haholoanyane ka TSH;
  • FSH le LH, e tsejoang ka hore ke follicle e susumetsang lihormone le luteinizing hormone ka ho latellana. Lihormone tsena li sebetsa ka kotloloho ka ho hlasimolla tlhahiso ea lihomone tsa basali le tsa banna, ntle le tlhahiso le kholo ea peo ea banna le mahe ho basali.

Matšoao a ho se sebetse ha tšoelesa ea pituitary a ka bonoa ka matšoao a hlahang ho latela hormone e hlahisitseng tlhahiso ea eona kapa ea fokotseha. Mohlala, haeba ho na le phetoho mabapi le tlhahiso le tokollo ea GH, ho ka hlokomeloa kholo e feteletsang ea ngoana, e tsejoang ka hore ke gigantism, kapa khaello ea kholo, e etsahalang ka lebaka la phokotso ea sephiri sa hormone ena, e tsejoang ka hore ke dwarfism.


Ho fokotseha kapa khaello ea tlhahiso ea lihormone tse 'maloa tse laetsoeng ke pituitary ho ka lebisa ho boemo bo bitsoang panhipopituitarismo, moo mesebetsi e mengata ea' mele e amehang, mme motho o tlameha ho etsa phetoho ea lihormone bakeng sa bophelo e le hore mesebetsi ea hae ea manyolo e bolokehe. Ithute ho khetholla panhipopituitarism le matšoao a mantlha.

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