| UR | unconditioned reflex; upper respiratory; uridine; urinal; urology; utilization review |
|---|---|
| VOR | vestibulo-ocular reflex; volume of regret |
| VRR | ventral root reflex |
| VUR | vesicoureteral reflex |
| crossed extension reflex | Extension of the contralateral hind limb when the paw of an animal is painfully stimulated or the central cut end of an afferent nerve, e.g., the peroneal, is stimulated; sometimes occurs in humans upon tapping the skin. (05 Mar 2000) |
|---|---|
| crossed knee reflex | Contraction of the contralateral quadriceps when a patellar reflex is elicited. Synonym: crossed knee jerk. (05 Mar 2000) |
| crossed reflex | A reflex movement on one side of the body in response to a stimulus applied to the opposite side. Synonym: crossed jerk. (05 Mar 2000) |
| crossed reflex of pelvis | Contraction of the contralateral adductors of the thigh upon tapping the anterior superior iliac spine. Synonym: crossed spino-adductor reflex. (05 Mar 2000) |
| crossed spino-adductor reflex | Contraction of the contralateral adductors of the thigh upon tapping the anterior superior iliac spine. Synonym: crossed spino-adductor reflex. (05 Mar 2000) |
| cry reflex | A sudden unconscious cry, during sleep, in a child with hip disease, long bone fractures, or other painful conditions of the extremities, elicited by movement of muscles that have relaxed after prolonged muscle spasms. (05 Mar 2000) |
| cuboidodigital reflex | Flexion of the toes on tapping over the cuboid bone; almost identical with Guillain-Barre reflex, and fundamentally similar to Rossolimo's reflex. Synonym: metatarsal reflex. (05 Mar 2000) |
| postural reflex | Responses that control the position of the trunk and extremities. See: righting reflexes. Synonym: static reflexes. (05 Mar 2000) |
| cutaneous pupil reflex | Dilation of the pupil following scratching of the skin of the neck. Synonym: ciliospinal reflex, cutaneous pupil reflex, cutaneous-pupillary reflex, skin-pupillary reflex. (05 Mar 2000) |
| cutaneous reflex | Wrinkling of the skin, caused by a cutaneous stimulus, due to contraction of arrectores pilorum muscles. (05 Mar 2000) |
| pressoreceptor reflex | A normal reflex related to the carotid sinus syndrome. (05 Mar 2000) |
| pronator reflex | Pronation and adduction of the hand caused by tapping the styloid process of the ulna. Synonym: pronator reflex. (05 Mar 2000) |
| proprioceptive-oculocephalic reflex | doll's eye sign |
| hepatojugular reflex | An elevation of venous pressure visible in the jugular veins and measurable in the veins of the arm, produced in active or impending congestive heart failure by firm pressure with the flat hand over the abdomen. Often called hepatojugular reflex when pressure is exclusively over the liver. Synonym: abdominojugular reflux. (05 Mar 2000) |
| scapular reflex | Contraction of the upper muscles of the back by stimulation between the scapulae. Synonym: interscapular reflex. (05 Mar 2000) |