Cov Ntsiab Lus Tseem Ceeb: Noradrenaline thiab adrenaline yog catecholamines. Noradrenaline yog lub ntsiab neurotransmitter ntawm cov hlab ntsha sympathetic hauv cov hlab plawv. Adrenaline yog cov tshuaj hormones tseem ceeb zais los ntawm adrenal medulla.
Qhov txawv ntawm epinephrine thiab norepinephrine yog dab tsi?
Epinephrine thiab norepinephrine yog zoo sib xws neurotransmitters thiab cov tshuaj hormonesThaum epinephrine muaj kev cuam tshuam me ntsis rau koj lub plawv, norepinephrine muaj ntau dua ntawm koj cov hlab ntsha. Ob leeg ua lub luag haujlwm hauv koj lub cev kev sib ntaus sib tua-lossis-flight teb rau kev ntxhov siab thiab muaj kev siv tshuaj kho mob tseem ceeb thiab.
Puas yog norepinephrine thiab adrenaline tib yam?
Epinephrine yog tseem hu ua adrenaline, thaum qee tus neeg xa mus rau norepinephrine li noradrenaline. Ob leeg ntawm cov tshuaj no ua lub luag haujlwm hauv kev tswj hwm lub paj hlwb, uas yog ib feem ntawm lub paj hlwb autonomic uas yog lub luag haujlwm rau lub cev "sib ntaus lossis ya" teb.
Dab tsi los ua ntej adrenaline lossis noradrenaline?
pib ntawm kev sib txuas ntawm catecholamines txhua tus pib nrog cov amino acid, L-tyrosine. Cov txheej txheem biosynthesis mus raws li nram no: Tyrosine -> DOPA (dihydroxyphenylalanine) -> Dopamine -> Noradrenaline (Norepinephrine) -> Adrenaline (Epinephrine).
lwm lub npe ntawm adrenaline hormone yog dab tsi?
Kuj hu ua epinephrine, cov tshuaj hormone no yog ib feem tseem ceeb ntawm lub cev kev sib ntaus sib tua-lossis-flight teb, tab sis dhau-exposure tuaj yeem ua rau kev noj qab haus huv. Vim li no, adrenaline yog ib yam tshuaj uas tsim nyog nkag siab. Adrenaline yog tsim nyob rau hauv lub medulla nyob rau hauv lub qog adrenal thiab ib co ntawm lub hauv nruab nrab lub paj hlwb cov neurons.