| rachitis tarda | <pathology> A condition marked by softening of the bones (due to impaired mineralisation, with excess accumulation of osteoid), with pain, tenderness, muscular weakness, anorexia and loss of weight, resulting from deficiency of vitamin D and calcium. Origin: Gr. Malakia = softness (18 Nov 1997) |
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| rachitis | 1. <medicine> Literally, inflammation of the spine, but commonly applied to the rickets. See Rickets. 2. <botany> A disease which produces abortion in the fruit or seeds. Origin: NL, fr. Gr. (sc), fr, the spine Alternative forms: rhachitis. Source: Websters Dictionary (01 Mar 1998) |
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| rachitis foetalis | congenital rickets |
| rachitis foetalis annularis | Congenital enlargement of the epiphyses of the long bones. (05 Mar 2000) |
| rachitis foetalis micromelica | A congenital condition in which development of the long bones is deficient. (05 Mar 2000) |
| rachitis intrauterina | congenital rickets |
| porphyria cutanea tarda | A form of hepatic porphyria (porphyria, hepatic) characterised by photosensitivity resulting in bullae that rupture easily to form shallow ulcers. This condition occurs in two forms: a sporadic, nonfamilial form that begins in middle age and has normal amounts of uroporphyrinogen decarboxylase with diminished activity in the liver; and a familial form in which there is an autosomal dominant inherited deficiency of uroporphyrinogen decarboxylase in the liver and red blood cells. (12 Dec 1998) |
| porphyria cutanea tarda hereditaria | A form of hepatic porphyria (porphyria, hepatic) characterised by photosensitivity resulting in bullae that rupture easily to form shallow ulcers. This condition occurs in two forms: a sporadic, nonfamilial form that begins in middle age and has normal amounts of uroporphyrinogen decarboxylase with diminished activity in the liver; and a familial form in which there is an autosomal dominant inherited deficiency of uroporphyrinogen decarboxylase in the liver and red blood cells. (12 Dec 1998) |
| porphyria cutanea tarda symptomatica | A form of hepatic porphyria (porphyria, hepatic) characterised by photosensitivity resulting in bullae that rupture easily to form shallow ulcers. This condition occurs in two forms: a sporadic, nonfamilial form that begins in middle age and has normal amounts of uroporphyrinogen decarboxylase with diminished activity in the liver; and a familial form in which there is an autosomal dominant inherited deficiency of uroporphyrinogen decarboxylase in the liver and red blood cells. (12 Dec 1998) |
| neurosis tarda | Neurotic patterns developing in older people, related to organic cerebral lesions. (05 Mar 2000) |
| dentia tarda | Delayed tooth eruption. Origin: L. Delayed (05 Mar 2000) |
| syphilis hereditaria tarda | Syphilis, believed to be congenital, but not manifesting itself until several years after birth. (05 Mar 2000) |