| LRR | labyrinthine righting reflex; lymph return rate |
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| MR | Maddox rods; magnetic resistance; magnetic resonance; mandibular reflex; mannose-resistant; may repe... |
| NDR | neonatal death rate; normal detrusor reflex |
| OCR | oculocardiac reflex; oculocerebrorenal [syndrome]; optical character recognition |
| OORR | orbicularis oculi reflex response |
| Perez reflex | Running a finger down the spine of an infant held supported in a prone position will normally cause the whole body to become extended. (05 Mar 2000) |
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| Gordon reflex | Dorsal flexion of the great toe produced by firm lateral pressure on the calf muscles. Synonym: paradoxical flexor reflex. (05 Mar 2000) |
| pericardial reflex | A vagal reflex seen during operations involving pericardial manipulation; characterised by signs of vagal stimulation (bradycardia and arterial hypotension). (05 Mar 2000) |
| grasping reflex | An involuntary flexion of the fingers to tactile or tendon stimulation on the palm of the hand, producing an uncontrollable grasp; usually associated with frontal lobe lesions. Compare: darwinian reflex. Synonym: forced grasping reflex, grasp reflex. (05 Mar 2000) |
| periosteal reflex | A muscular contraction in the arm following a tap on the radius or ulna. (05 Mar 2000) |
| grasp reflex | An involuntary flexion of the fingers to tactile or tendon stimulation on the palm of the hand, producing an uncontrollable grasp; usually associated with frontal lobe lesions. Compare: darwinian reflex. Synonym: forced grasping reflex, grasp reflex. (05 Mar 2000) |
| chin reflex | A spasmodic contraction of the temporal muscles following a downward tap on the loosely hanging mandible. Synonym: chin jerk, chin reflex, jaw jerk, mandibular reflex, masseter reflex. (05 Mar 2000) |
| great-toe reflex | <clinical sign> Extension of the great toe and abduction of the other toes instead of the normal flexion reflex to plantar stimulation, considered indicative of pyramidal tract involvement ("positive" Babinski). Synonym: Babinski reflex, Babinski's phenomenon, great-toe reflex, paradoxical extensor reflex, toe phenomenon. (05 Mar 2000) |
| metacarpohypothenar reflex | Flexion of the little finger on tapping the dorsum of the hand; seen in pyramidal tract lesions and is similar to Starling's reflex. (05 Mar 2000) |
| metacarpothenar reflex | Flexion of the thumb upon tapping the dorsum of the hand. Synonym: metacarpothenar reflex. (05 Mar 2000) |
| Chodzko's reflex | Contractions of several muscles of the shoulder girdle and arm when the manubrium sterni is percussed. (05 Mar 2000) |
| metatarsal 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) |
| Guillain-Barre reflex | Plantar flexion of the foot and toes elicited by tapping the sole near its outer edge; has the same significance as the Rossolimo toe flexion reflex Also called Guillain-Barre, Weingrow's, or sole tap reflex. Synonym: Guillain-Barre reflex, sole tap reflex, Weingrow's reflex. (05 Mar 2000) |
| gustatory-sudorific reflex | Sweating, especially over the face, when chewing food. See: auriculotemporal nerve syndrome. (05 Mar 2000) |
| Roger's reflex | Salivation caused by irritation of the lower end of the oesophagus, as by carcinoma. Synonym: Roger's reflex. (05 Mar 2000) |