Erayga "Reseptor beta" waxa loola jeedaa nooc reseptor ah oo laga helo dusha unugyada jidhka ee ku xidhan hoormoonka epinephrine (adrenaline) iyo norepinephrine (noradrenaline). Waxa jira laba nooc oo beta reseptors ah oo kala ah beta-1 iyo beta-2, kuwaas oo laga helo unugyo iyo xubno kala duwan. kordhinta garaaca wadnaha iyo xoogga foosha, iyo sidoo kale kordhinta sii deynta renin ee kelyaha. Beta-2 reseptors waxa laga helaa sambabada, beerka, xameetida, iyo xididada dhiiga, marka la kiciyo waxay debciyaan murqaha siman ee unugyadan waxayna kordhiyaan socodka dhiiga murqaha daawooyinka loo isticmaalo daawaynta xaaladaha ay ka mid yihiin wadna xanuunka, neefta, iyo hypertension.