craniocardiac reflex

cra·ni·o·car·di·ac re·flex

stimulation of nerve endings of certain cranial nerves (for example, olfactory, ophthalmic branch of trigeminal), with resultant cardiac depressor reflex, manifested by bradycardia and hypotension, through the cardiac branch of the vagus.

cra·ni·o·car·di·ac re·flex

(krānē-ō-kahrdē-ak rēfleks)
Stimulation of nerve endings of some cranial nerves (e.g., olfactory, ophthalmic branch of trigeminal), with resultant cardiac depressor reflex, manifested by bradycardia and hypotension, through cardiac branch of vagus.