Izigulane ezibizwa ngokuthi i-adrenal glands zibizwa ngokuthi izigulane eziphethwe nge-endocrine. Njengoba kungase kuqondwe ngegama, zitholakala phezulu, ngaphezu kwezinso. Imisebenzi ye-adrenal ibaluleke kakhulu emzimbeni. Ngokushesha uma ukuhlukana emsebenzini wabo kuqala, umuntu ngokuqinisekile uzozizwa.
Iyini imisebenzi yezinhlayiya ze-adrenal?
Amalungu ahlanganisa izingxenye eziningana. Kuzo zonke zazo, ama-hormone akhiqizwa anemiphumela ebalulekile emzimbeni. Ngakho-ke, umsebenzi we-endocrine we-adrenal gland kubhekwa njengento ebaluleke kakhulu.
Esikwelini se-cortical, ama-hormone anjalo akhiqizwa:
- I-mineralcortocoids - izinto ezilawula isisindo samanzi sosawoti;
- i-glucocorticoids - enesibopho se-carbohydrates emzimbeni;
- Ubulili.
Emgqeni we-medullary, i-adrenaline ne-norepinephrine ikhiqizwa. Ngenxa yama-hormone, izidumbu emzimbeni kwabesifazane zingenza umsebenzi obaluleke kakhulu - ukulawula ukucindezeleka. Ngolimi olucacile, ngenxa ye- adrenaline ne-norepinephrin, umuntu kulula ukubekezelela izimo ezicindezelayo. Eziningi zezinkinga zempilo zivela emanzini. Kodwa uma ama-hormone akhiqizwa kahle ngendlela elungile, kungenzeka ukuthi okuhlangenwe nakho ngokomzwelo kuyoba nemiphumela emibi kuncishiswe kakhulu.
Imisebenzi yezingqungquthela ezinamandla zingakuvikela umzimba ezinhlobonhlobo ezahlukene zokucindezeleka:
- Izinto ezibonakalayo - ezivela ngenxa yemithwalo enzima;
- umqondo;
- amakhemikhali - acasulwa yi-aggression of the environment (njengoba umthetho, kwenzeka ngenxa yokudla ngamakhemikhali).
Uma kunesidingo, ama-glands angakhula ngesayizi. Lokhu ngokuvamile kwenzeka uma umuntu ehlangabezana nokucindezeleka isikhathi eside, futhi kuyadingeka ukuze ukwandise ukuhlinzeka kwamahomoni asindisa ukuphila. Uma isikhathi singathathwa, izigulane ze-adrenal ziphelile, futhi ukukhiqizwa kwemisebenzi ewusizo kuyama.