| ACA | abnormal coronary artery; acrodermatitis chronica atrophicans; acute cerebellar ataxia; adenocarcino... |
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| PCL | pacing cycle length; persistent corpus luteum; plasma cell leukemia; posterior chamber lens; posteri... |
| PD | Doctor of Pharmacy; Dublin Pharmacopoeia; interpupillary distance; Paget disease; pancreatic duct; p... |
| PP | diphosphate group; emphysema [pink puffers]; near point of accommodation [Lat. punctum proximum]; pa... |
| Sp | the most posterior point on the posterior contour of the sella turcica; species; specific; specimen;... |
| recurrent aphthous ulcers | <dermatology> Roundish pearl-coloured specks or flakes in the mouth, on the lips, etc, terminating in white sloughs, better known as thrush and the specks are called aphthae. Synonym: thrush, candidiasis. Origin: Sing. Of Aphthae. L, fr. Gr. (mostly in pl, Hipp) an eruption, thrush, fr. To set on fire, inflame. (25 Jun 1999) |
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| recurrent appendicitis | Repeated episodes of right lower quadrant abdominal pain attributed to recurrence of inflammation of the appendix in an individual who did not have an appendectomy for prior episodes. Synonym: relapsing appendicitis. (05 Mar 2000) |
| recurrent caries | Caries recurring in an area due to inadequate removal of the initial decay, usually beneath a restoration or new decay at a site where caries has previously occurred. (05 Mar 2000) |
| recurrent central retinitis | An obsolete term for central serous retinopathy. (05 Mar 2000) |
| recurrent corneal erosion | Repeated vesiculation followed by exfoliation of the corneal epithelium. (05 Mar 2000) |
| recurrent encephalopathy | A progressive form of encephalopathy occurring in young members of the same family; characterised by headache, vertigo, truncal ataxia, drowsiness and stupor, speech impairments, choreic-athetoid movements, and sometimes convulsions. (05 Mar 2000) |
| recurrent fever | An acute infection characterised by recurrent episodes of pyrexia alternating with asymptomatic intervals of apparent recovery. This condition has worldwide distribution and is caused by spirochetes of the genus borrelia. (12 Dec 1998) |
| recurrent herpetic stomatitis | Reactivation of herpes simplex virus infection, characterised by vesicles and ulceration limited to the hard palate and attached gingiva. (05 Mar 2000) |
| recurrent hypopyon | <syndrome> A multisystem, chronic recurrent disease characterised by ulceration in the mouth and genitalia, iritis, uveitis, arthritis and thrombophlebitis. Often treated with immunosuppressive therapy (corticosteroids, chlorambucil). (27 Sep 1997) |
| recurrent laryngeal nerve | <anatomy, nerve> A branch of a nerve (the vagus nerve) that comes down the neck and turns back ( recurs ) to supply the larynx (the voice box ). (12 Dec 1998) |
| recurrent meningeal branch of spinal nerves | A branch from the initial (mixed) part of each spinal nerve passing in a recurrent fashion back through the intervertebral foramen to supply spinal meninges, the posterior longitudinal ligament, posterolateral periphery of the intervertebral disc, and periosteum of the vertebrae. Synonym: ramus meningeus nervorum spinalium, recurrent meningeal branch of spinal nerves, sinuvertebral nerves. (05 Mar 2000) |
| recurrent meningeal nerve | <anatomy, nerve> Meningeal branches of 1) mandibular, 2) maxillary, 3) ophthalmic, and 4) spinal nerves. (05 Mar 2000) |
| recurrent nerve | <anatomy, nerve> A branch of a nerve (the vagus nerve) that comes down the neck and turns back ( recurs ) to supply the larynx (the voice box ). (12 Dec 1998) |
| recurrent pneumonia in childhood | <radiology> IMMUNE PROBLEMS, immune deficiency, chronic granulomatous disease of childhood, alpha-1 antitrypsin deficiency, ASPIRATION, GE reflux, H-type TE fistula, disorder of swallowing, oesophageal obstruction, UNDERLYING LUNG DISEASE, sequestration, brochopulmonary dysplasia, cystic fibrosis, atopic asthma, bronchiolitis obliterans, sinusitis, bronchiectasis, ciliary dysmotility syndromes, pulmonary foreign body (12 Dec 1998) |
| recurrent polyserositis | Familial Mediterranean fever. (05 Mar 2000) |