the potency series of drugs to displace 125i-hyp from the receptors was timolol = ( - ) propranolol greater than ( + ) propranolol greater than salbutamol greater than practolol . beta 1 receptors were not detected in the ciliary processes . beta 2 receptors were the prominent adrenergic receptors present .
C0001642
beta 1 receptors
C0034783
adrenergic receptors