| OR | a logical binary relation that is true if any argument is true, and false otherwise; [o]estrogen rec... |
|---|---|
| OT | objective test; oblique talus; occlusion time; occupational therapist, occupational therapy; ocular ... |
| OX | optic chiasma; oxacillin; oxalate; oxide; orthopedic examination; oxytocin |
| PION | posterior ischemic optic neuropathy |
| SOD | septo-optic dysplasia; superoxide dismutase |
| myopathic atrophy | Muscular atrophy caused by a primary disorder of muscle. (05 Mar 2000) |
|---|---|
| postmenopausal atrophy | Atrophy following menopause, as of the genital organs. (05 Mar 2000) |
| cyanotic atrophy | Atrophy due to destruction of the parenchymatous cells of an organ as a consequence of chronic venous congestion. Synonym: red atrophy. (05 Mar 2000) |
| cyanotic atrophy of the liver | A sequela of longstanding hepatic congestion due to high pressure in the right atrium as in chronic constrictive pericarditis and severe, protracted right ventricular failure. (05 Mar 2000) |
| pressure atrophy | The wasting of hard or soft tissue resulting from excessive pressure applied to tissue by a denture base. (05 Mar 2000) |
| progressive choroidal atrophy | An x chromosome-linked abnormality characterised by atrophy of the choroid and degeneration of the retinal pigment epithelium causing night blindness. (12 Dec 1998) |
| progressive circumscribed cerebral atrophy | Circumscribed atrophy of the cerebral cortex. Synonym: lobar sclerosis, progressive circumscribed cerebral atrophy. (05 Mar 2000) |
| progressive infantile spinal muscular atrophy | Transmitted as autosomal recessive on chromosome 5q. Progressive dysfunction of the anterior horn cells in the spinal cord and brainstem cranial nerves with profound weakness and bulbar dysfunction occurring in the first two years of life. Three groups, based on age of clinical onset, are recognised. Synonym: familial spinal muscular atrophy, Hoffmann's muscular atrophy, infantile muscular atrophy, infantile progressive spinal muscular atrophy, progressive infantile spinal muscular atrophy, Werdnig-Hoffmann disease, Werdnig-Hoffmann muscular atrophy. (05 Mar 2000) |
| progressive muscular atrophy | A serious neurologic disease that results from the progressive degeneration of the motor neurons. (27 Sep 1997) |
| progressive spinal muscular atrophy | One of the subgroups of motor neuron disease; a progressive degenerative disorder of the motor neurons of the spinal cord, manifested as progressive, often symmetrical, weakness and wasting, typically beginning in the distal portions of the limbs, particularly in the upper extremities, and spreading proximally; fasciculation potentials are often present, but evidence of corticospinal tract disease (e.g., increased deep tendon reflexes, Babinski sign) is not. (05 Mar 2000) |
| scapulohumeral atrophy | Progressive spinal muscular atrophy beginning in the shoulder. Synonym: scapulohumeral atrophy. (05 Mar 2000) |
| Hoffmann's muscular atrophy | Transmitted as autosomal recessive on chromosome 5q. Progressive dysfunction of the anterior horn cells in the spinal cord and brainstem cranial nerves with profound weakness and bulbar dysfunction occurring in the first two years of life. Three groups, based on age of clinical onset, are recognised. Synonym: familial spinal muscular atrophy, Hoffmann's muscular atrophy, infantile muscular atrophy, infantile progressive spinal muscular atrophy, progressive infantile spinal muscular atrophy, Werdnig-Hoffmann disease, Werdnig-Hoffmann muscular atrophy. (05 Mar 2000) |
| pulp atrophy | Diminution in size and/or cellular elements of the dental pulp due to interference with the blood supply. (05 Mar 2000) |
| horizontal atrophy | A progressive loss of alveolar and supporting bone surrounding the teeth, beginning at the most coronal level of the bone. Synonym: horizontal resorption. (05 Mar 2000) |
| senile atrophy | Wasting of tissues and organs with advancing age from decreased catabolic or anabolic processes, at times due to endocrine changes, decreased use, or ischemia. Synonym: geromarasmus. (05 Mar 2000) |