| roseola | <paediatrics> Also called baby measles. This is a nonserious but common childhood viral infection that starts with a high fever and swollen lymph glands. After 24 hours, the fever breaks and the child develops a red rash on the neck and trunk. (27 Sep 1997) |
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| roseola infantilis | Another name for Roseola. (12 Dec 1998) |
| roseola infantum | The full name for Roseola. (12 Dec 1998) |
| syphilitic roseola | Usually the first eruption of syphilis, occurring 6 to 12 weeks after the initial lesion. Synonym: erythematous syphilid, macular syphilid. (05 Mar 2000) |
| idiopathic roseola | Roseola not occurring as a symptom of a recognised general disease. (05 Mar 2000) |
| epidemic roseola | <disease, virology> An acute, usually benign, infectious disease caused by a togavirus and most often affecting children and nonimmune young adults, in which the virus enters the respiratory tract via droplet nuclei and spreads to the lymphatic system. It is characterised by a slight cold, sore throat and fever, followed by enlargement of the postauricular, suboccipital and cervical lymph nodes and the appearances of a fine pink rash that begins on the head and spreads to become generalised. Synonym: German measles, rubeola. Origin: L. Rubellus = reddish, ruber = red (17 Dec 1997) |
| rachitis foetalis annularis | Congenital enlargement of the epiphyses of the long bones. (05 Mar 2000) |
| pars annularis vaginae fibrosae | One of the two circular fibrous bands of the fibrous sheaths of the fingers and toes attached to the shaft of the proximal and middle phalanges. Synonym: pars annularis vaginae fibrosae, annular pulley, annulus of fibrous sheath, ligamentum annulare digitorum. (05 Mar 2000) |
| plexus annularis | A nerve plexus near the corneoscleral junction from which myelinated and unmyelinated nerves pass to the cornea. Synonym: plexus annularis. (05 Mar 2000) |
| psoriasis annularis | Psoriasis in which healing is taking place at the centre of the lesion while the process continues at the periphery, producing a ring-shaped or annular lesion. Synonym: psoriasis annularis, psoriasis annulata, psoriasis orbicularis. (05 Mar 2000) |
| purpura annularis telangiectodes | Asymptomatic annular lesions, principally of the lower extremities of adolescent males, in which the peripheral portion is composed of purpura or petechiae with brawny staining of haemosiderin deposits and minute telangiectasia. Synonym: Majocchi's disease. (05 Mar 2000) |
| digitus annularis | Fourth finger. Synonym: digitus annularis, fourth finger. (05 Mar 2000) |
| leukotrichia annularis | A rare condition in which the hair shows alternate pigmented and bright segments, the latter due to air cavities within the cortex. Synonym: leukotrichia annularis, pili annulati, thrix annulata, trichonosus versicolor. (05 Mar 2000) |
| lichen annularis | <dermatology> Benign granulomatous disease of unknown aetiology characterised by a ring of localised or disseminated papules or nodules on the skin and palisading histiocytes surrounding necrobiotic tissue resulting from altered collagen structures. (12 Dec 1998) |
| lichen planus annularis | A form in which the papules are grouped in ring figures. (05 Mar 2000) |
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