| RIP | radioimmunoprecipitation; reflex inhibiting pattern; respiratory inductance plethysmography |
|---|---|
| RR | radiation reaction; radiation response; rate ratio; rational recovery [group]; recovery room; relati... |
| RRI | recurrent respiratory infection; reflex relaxation index; relative response index |
| RSD | reflex sympathetic dystrophy; relative standard deviation |
| RSDS | reflex sympathetic dystrophy syndrome |
| 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) |
| cremasteric reflex | A drawing up of the scrotum and testicle of the same side when the skin over Scarpa's triangle or on the inner side of the thigh is scratched. (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) |