| gene divergence | The difference (expressed as a percentage) in the nucleotide sequencesbetween two related genes that developed from the same ancestral gene. (09 Oct 1997) |
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| divergence | 1. A moving or spreading apart or in different directions. 2. The spreading of branches of the neuron to form synapses with several other neurons. Origin: L. Di-, apart, + vergo, to incline (05 Mar 2000) |
| divergence excess exotropia | Exotropia in which the strabismus is notably greater for far vision than for near vision. (05 Mar 2000) |
| divergence insufficiency | That condition in which an exophoria or exotropia is more marked for near vision than for far vision. (05 Mar 2000) |
| divergence insufficiency exotropia | Exotropia in which the strabismus is notably greater for near vision than for far vision. (05 Mar 2000) |
| Bell's palsy | A condition that involves the facial nerve (VII cranial nerve) and results in the paralysis of one side of the face. Bell's (facial nerve palsy) can be differentiated from a central (stroke) deficit by the inability to raise the eyebrow on the affected side. (27 Sep 1997) |
| birth palsy | Indefinite term for any motor abnormality in the infant caused by or attributed to the birthing process; includes obstetrical paralysis, infantile hemiplegia, etc. Synonym: infantile hemiplegia. (05 Mar 2000) |
| brachial birth palsy | Paralysis of the infant's arm due to injury received at birth usually resulting from a shoulder dystocia; three types are recognised: 1) whole arm; 2) upper arm (Erb's p.); 3) forearm (Klumpke's paralysis). (05 Mar 2000) |
| bulbar palsy | Progressive weakness and atrophy of the muscles of the tongue, lips, palate, pharynx, and larynx, usually occurring in later life; most often caused by motor neuron disease. Synonym: bulbar palsy, bulbar paralysis, Duchenne's disease, Erb disease, glossolabiolaryngeal paralysis, glossolabiopharyngeal paralysis. (05 Mar 2000) |
| palsy | <neurology> Complete paralysis. (16 Dec 1997) |
| cerebral palsy | A persisting qualitative motor disorder appearing before the age of three years, due to nonprogressive damage to the brain. (12 Dec 1998) |
| wasting palsy | A serious neurologic disease that results from the progressive degeneration of the motor neurons. (27 Sep 1997) |
| craft palsy | Professional neurosis, a disorder of a group of muscles used chiefly in one's occupation, marked by the occurrence of spasm, paresis, or incoordination on attempt to repeat the habitual movements; e.g., writer's cramp; probably a focal dystonia. Synonym: craft palsy, functional spasm. (05 Mar 2000) |
| creeping palsy | A serious neurologic disease that results from the progressive degeneration of the motor neurons. (27 Sep 1997) |
| crutch palsy | A form of pressure paralysis affecting the arm, and caused by compression of the brachial plexus or radial nerve by the crosspiece of a crutch. Synonym: crutch palsy. (05 Mar 2000) |