| dysphonia, spasmodic | Involves the muscles of the throat that control speech. Also called spastic dysphonia or laryngeal dystonia, it causes strained and difficult speaking or breathy and effortful speech. (12 Dec 1998) |
|---|---|
| dysphony | <medicine> A difficulty in producing vocal sounds; enfeebled or depraved voice. Origin: NL. Dysphonia, Gr.; ill, hard + sound, voice: cf. F. Dysphonie. Source: Websters Dictionary (01 Mar 1998) |
| dysphoria | <symptom> Excessive pain, anguish, agitation) disquiet, restlessness, malaise. (18 Nov 1997) |
| dysphrasia | Synonym: dysphasia. Origin: dys-+ G. Phrasis, speaking (05 Mar 2000) |
| dysphylaxia | A form of insomnia marked by awakening too early. Origin: dys-+ G. Phylaxis, watching (05 Mar 2000) |
| dyspigmentation | Any abnormality in the formation or distribution of pigment, especially in the skin; usually applied to an abnormal reduction in pigmentation (depigmentation). (05 Mar 2000) |
| dyspinealism | An obsolete term for the syndrome supposed to result from the deficiency of pineal gland secretion. (05 Mar 2000) |
| dyspituitarism | The complex of phenomena due to excessive or deficient secretion by the pituitary gland. (05 Mar 2000) |
| dysplasia | <embryology> Abnormality of development, in pathology, alteration in size, shape and organisation of adult cells. Origin: Gr. Plassein = to form (18 Nov 1997) |
| dysplasia epiphysialis hemimelia | A congenital maldevelopment and overgrowth of a tarsal or carpal bone. Synonym: dysplasia epiphysialis hemimelia. Origin: tarso-+ G. Megas, large (05 Mar 2000) |
| dysplasia epiphysialis multiplex | A dominantly inherited abnormality of epiphyses characterised by difficulty in walking, pain and stiffness of joints, stubby fingers, and often dwarfism of short-limb type; on X-ray examination, the epiphyses are mottled and irregular; ossification centres are late in appearance and may be multiple, but the vertebrae are normal. There is also an autosomal recessive form . Synonym: dysplasia epiphysialis multiplex. (05 Mar 2000) |
| dysplasia epiphysialis punctata | A developmental error of the epiphyses characterised by severe deformities, epiphyses ossified from several discrete centres and with a stippled appearance, and thickened shafts of the long bones; congenital cataract and mental retardation are often present. There is an autosomal dominant form and an autosomal recessive form. Synonym: chondrodysplasia punctata, chondrodystrophia calcificans congenita, hypoplastic foetal chondrodystrophy, stippled epiphysis. (05 Mar 2000) |
| dysplastic | Pertaining to or marked by dysplasia. (05 Mar 2000) |
| dysplastic nevi | Atypical moles; moles whose appearance is different from that of common moles. Dysplastic nevi are generally larger than ordinary moles and have irregular borders. Their colour often is not uniform; they usually are flat, but parts may be raised above the skin surface. (12 Dec 1998) |
| dysplastic nevus | <syndrome> Clinically atypical nevi (usually exceeding 5 mm in diameter and having variable pigmentation and ill defined borders) with an increased risk for development of non-familial cutaneous malignant melanoma. Biopsies show melanocytic dysplasia. Nevi are clinically and histologically identical to the precursor lesions for melanoma in the b-k mole syndrome. (12 Dec 1998) |