Hanyoyin hormone antidiuretic ko hormone vasopressin ne peptide. Ya ƙunshi sharan amino acid guda tara. Rayuwa ta rabi shine minti 2-4. An samar da wannan hormone a cikin manyan sassan jikin hypothalamus, kuma daga can an kai shi zuwa neurohypophysis. Ana motsawa a kan axons saboda ƙananan ƙwayoyi.
Ayyuka na hormone vasopressin
Babban aiki na hormone shine ikon kula da ruwa. Saboda haka, an kira shi antidiuretic. Da zarar adadin ADH ya ƙaru cikin jiki, ƙarar fitsari da aka ƙaddamar da ƙananan ragewa.
Amma a gaskiya ya nuna cewa vasopressin shi ne hormone mai yawa-faceted kuma ayyuka a cikin jiki yana yin adadi mai ban sha'awa. Daga cikin mafi muhimmancin su shine:
- ƙara yawan jini girma circulating ta cikin tasoshin.
- ƙara ƙwayar tsoka tsoka;
- ƙara yawan ƙwayoyin jini na platelets;
- gyaran ƙwayoyin ƙwaƙwalwar ajiya;
- rage yawan sodium cikin jini;
- yin amfani da iskar shaka ta acid.
Hadisai na vasopressin
Idan adadin wanzuwa ya dace da ka'ida a cikin gwajin, babu wasu dalilai na damuwa. Matsayin dabi'u na al'ada kamar wannan:
- tare da osmolality na plasma 270-280 mosm / kg -
- 280-285 hamm / kg -
- 285-290 mn / kg - 1-5 pg / mol;
- 290-295 mosm / kg - 2-7 pg / mol;
- 295-300 mosm / kg - 4-12 pg / mol.
Bisa ga ka'idar aikin, ana iya la'akari da hormones vasopressin da oxytocin sosai. Babban mahimmanci shi ne cewa wannan karshen ya ƙunshi nauyin amino acid guda biyu da ƙasa. Amma wannan baya hana hormone daga nuna karin aiki dangane da ƙarfin wariyar madara, misali.
Hanyoyin cutar na hormone vasopressin
Idan abu a cikin jiki bai isa ba, zazzaɓin ciwon sukari insipidus zai iya ci gaba. Haka kuma cutar ta lalata zalunci na aikin ruwa na real tubules. Rage matakin ADH ya dace ta amfani da ethanol da glucocorticoids.
Hyperfunction na hormone vasopressin antidiuretic
ADH za a iya samar da shi tare da:
- ƙwaƙwalwar tunani da ta jiki;
- ƙananan gazawa;
- rashin isasshen asibiti ;
- rage a yawan jinin da ke kewaye tare da gado mai kwakwalwa;
- Sulhun ƙwaƙwalwa mai laushi;
- kwakwalwa ciwon sukari;
- ciwon huhu;
- tamanin daji.
Matsalar ita ce ragewa a yawancin plasma jini da kuma sakin fitsari mai zurfi.