startle reflex(n = noun.act) moro reflex - a normal reflex of young infants; a sudden loud noise causes the child to stretch out the arms and flex the legs;
is a kind of jump, start, startle
accommodation reflex, acquired reflex, babinski reflex, conditional reflex, conditioned reflex, defecation reflex, gag reflex, inborn reflex, innate reflex, instinctive reflex, knee-jerk reflex, light reflex, micturition reflex, moro reflex, myotactic reflex, patellar reflex, pharyngeal reflex, pilomotor reflex, plantar reflex, pupillary reflex, rectal reflex, reflex, reflex action, reflex angle, reflex arc, reflex camera, reflex epilepsy, rooting reflex, startle, startle reaction, startle response, stretch reflex, suckling reflex, unconditioned reflex