| UR | unconditioned reflex; upper respiratory; uridine; urinal; urology; utilization review |
|---|---|
| VOR | vestibulo-ocular reflex; volume of regret |
| VRR | ventral root reflex |
| VUR | vesicoureteral reflex |
| wrist clonus reflex | Sudden extension of the wrist induces a sustained clonic movement. (05 Mar 2000) |
|---|---|
| consensual light reflex | Contraction of the pupil of the fellow eye in consensus with the pupil of the illuminated eye. Synonym: consensual light reflex, indirect pupillary reaction. (05 Mar 2000) |
| pneocardiac reflex | A modification in the blood pressure or heart rhythm caused by the inhalation of an irritating vapor. (05 Mar 2000) |
| pneopneic reflex | A modification of the respiratory rhythm caused by the inhalation of an irritating vapor. (05 Mar 2000) |
| muscular reflex | Tonic contraction of the muscles in response to a stretching force, due to stimulation of muscle proprioceptors. Synonym: Liddell-Sherrington reflex, muscular reflex, stretch reflex. (05 Mar 2000) |
| contralateral reflex | <clinical sign> A physical examination finding that can indicate inflammation of the meninges (meningitis), performed in two forms: passive flexion of one leg results in a similar movement on the opposite side or if the neck is passively flexed, flexion occurs in the legs. (27 Sep 1997) |
| convulsive reflex | An incoordinated reflex in which muscles, even those opposing one another as in strychnine poisoning, contract. (05 Mar 2000) |
| coordinated reflex | A reflex in which several muscles take part in the performance of a purposeful act. (05 Mar 2000) |
| corneal reflex | A contraction of the eyelids when the cornea is lightly touched with a camel-hair pencil. Synonym: lid reflex. Reflection of light from the surface of the cornea. (05 Mar 2000) |
| costal arch reflex | Contraction of the rectus abdominis muscle by tapping the costal margin inside the mammary line. (05 Mar 2000) |
| myenteric reflex | Contraction above and relaxation below a stimulated point in the intestine. Synonym: law of intestine. (05 Mar 2000) |
| costopectoral reflex | Contraction of the pectoralis major muscle elicited by tapping the seventh rib between the anterior and the medial axillary lines while the arm is abducted; contraction of the deltoid and biceps may also occur. Synonym: costopectoral reflex. (05 Mar 2000) |
| cough reflex | <chest medicine, neurology, physiology> The reflex which mediates coughing in response to irritation of the larynx or tracheobronchial tree. Synonym: laryngeal reflex. (05 Mar 2000) |
| myotatic reflex | Tonic contraction of the muscles in response to a stretching force, due to stimulation of muscle proprioceptors. Synonym: Liddell-Sherrington reflex, muscular reflex, stretch reflex. (05 Mar 2000) |
| craniocardiac reflex | Stimulation of nerve endings of certain cranial nerves (e.g., olfactory, ophthalmic branch of trigeminal), with resultant cardiac depressor reflex, manifested by bradycardia and hypotension, through the cardiac branch of the vagus. (05 Mar 2000) |