| PLR | pupillary light reflex |
|---|---|
| PTR | patellar tendon reflex; patient termination record; patient to return; peripheral total resistance; ... |
| QSART | quantitative sudomotor axon reflex testing |
| RAS | rapid atrial stimulation; recurrent aphthous stomatitis; reflex activating stimulus; reliability, av... |
| ref | reference; reflex |
| reflex, abnormal | Abnormal, involuntary response to a stimulus which includes hyperreflexia, hyporeflexia, and areflexia. (12 Dec 1998) |
|---|---|
| reflex, acoustic | Intra-aural contraction of tensor tympani and stapedius in response to sound. (12 Dec 1998) |
| reflex angina | Angina pectoris in which the breast pain is comparatively slight, but pallor followed by cyanosis, and coldness and numbness of the extremities, are marked. Synonym: angina spuria, angina vasomotoria, pseudangina, pseudoangina, reflex angina, vasomotor angina. (05 Mar 2000) |
| reflex arc | The route followed by nerve impulses in the production of a reflex act, from the peripheral receptor organ through the afferent nerve to the central nervous system synapse and then through the efferent nerve to the effector organ. (05 Mar 2000) |
| reflex asthma | Asthma occurring as a reflex in disease of the viscera, the nose, or other parts. (05 Mar 2000) |
| reflex, babinski | An abnormal reflex consisting of dorsiflexion of the big toe on stimulation of the sole of the foot. (12 Dec 1998) |
| reflex control | Nerve impulses transmitted to the muscles to maintain normal reflex action. (05 Mar 2000) |
| reflex cough | A cough excited reflexly by irritation in some distant part, as the ear or the stomach. (05 Mar 2000) |
| reflex detrusor contraction | Normal coordinated function of the bladder with sustained contractions of the bladder matched by simultaneous relaxation of the sphincteric outlet mechanisms to empty the bladder. (05 Mar 2000) |
| reflex dyspepsia | Functional dyspepsia excited by reflex irritation from disease elsewhere than in the stomach or intestines. (05 Mar 2000) |
| reflex epilepsy | Seizures which are induced by peripheral stimulation; e.g., audiogenic, laryngeal, photogenic, or other stimulation. Synonym: sensory precipitated epilepsy. (05 Mar 2000) |
| reflex headache | A headache secondary to another organic condition. Synonym: reflex headache. (05 Mar 2000) |
| reflex incontinence | In neurogenic disorders, loss of urine due to detrusor hyperreflexia and/or involuntary urethral relaxation in the absence of the desire to void. (05 Mar 2000) |
| reflex inhibition | A situation in which sensory stimuli decrease reflex activity. (05 Mar 2000) |
| reflex iridoplegia | Absence of the pupillary light reflex, as in the Argyll Robertson pupil. (05 Mar 2000) |