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mondofacto - Online Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 26/01/2008, UK Words: 116197

dysgnathic
Pertaining to or characterised by abnormality of the maxilla and mandible. ... (05 Mar 2000) ...

dysgnosia
Any cognitive disorder, i.e., any mental illness. ... Origin: G. Dysgnosia, difficulty of knowing ... (05 Mar 2000) ...

dysgonic
A term used to indicate that the growth of a bacterial culture is slow and relatively poor; used especially in reference to the growth of cultures of the bovine tubercle bacillus (Mycobacterium bovis) ... See: eugonic. ... Origin: dys-+ G. Gonikos, relating to the seed or offspring ... (05 Mar 2000) ...

dysgranular cortex
The region of the cerebral cortex that is transitional between the agranular cortex of the precentral gyrus and the granular frontal cortex (Brodmann's area 8). ... (05 Mar 2000) ...

dysgraphia
1. Difficulty in writing. ... Synonym: writer's cramp. ... Origin: dys-+ G. Graphe, writing ... (05 Mar 2000) ...

dysharmonious correspondence
A type of anomalous retinal correspondence in which the angle of the visual direction of the two retinas is different than the objective angle of the strabismus. ... (05 Mar 2000) ...

dyshematopoiesis
Defective formation of the blood. ... Synonym: dyshemopoiesis. ... Origin: dys-+ G. Haima (haimat-), blood, + poiesis, making ... (05 Mar 2000) ...

dyshematopoietic
Pertaining to or characterised by dyshematopoiesis. ... Synonym: dyshemopoietic. ... (05 Mar 2000) ...

dyshemopoiesis
Synonym for dyshematopoiesis ... Defective formation of the blood. ... Synonym: dyshemopoiesis. ... Origin: dys-+ G. Haima (haimat-), blood, + poiesis, making ... (05 Mar 2000) ...

dyshemopoietic
Synonym for dyshematopoietic ... Pertaining to or characterised by dyshematopoiesis. ... Synonym: dyshemopoietic. ... (05 Mar 2000) ...

dyshemopoietic anaemia
Any anaemia resulting from defective function of the bone marrow. ... (05 Mar 2000) ...

dyshidria
Synonym for dyshidrosis ... A vesicular or vesicopustular eruption of multiple causes that occurs primarily on the volar surfaces of the hands and feet; the lesions spread peripherally but have a tendency to central clearing. ... Synonym: cheiropompholyx, chiropompholyx, chiropompholyx, dyshidria, dysidria, dysidrosis, pompholyx. ... Origin: dys-+ G. …

dyshidrosis
A vesicular or vesicopustular eruption of multiple causes that occurs primarily on the volar surfaces of the hands and feet; the lesions spread peripherally but have a tendency to central clearing. ... Synonym: cheiropompholyx, chiropompholyx, chiropompholyx, dyshidria, dysidria, dysidrosis, pompholyx. ... Origin: dys-+ G. Hidros, sweat ... (05 Mar 20 …

dysidria
Synonym for dyshidrosis ... A vesicular or vesicopustular eruption of multiple causes that occurs primarily on the volar surfaces of the hands and feet; the lesions spread peripherally but have a tendency to central clearing. ... Synonym: cheiropompholyx, chiropompholyx, chiropompholyx, dyshidria, dysidria, dysidrosis, pompholyx. ... Origin: dys-+ G. …

dysidrosis
Synonym for dyshidrosis ... A vesicular or vesicopustular eruption of multiple causes that occurs primarily on the volar surfaces of the hands and feet; the lesions spread peripherally but have a tendency to central clearing. ... Synonym: cheiropompholyx, chiropompholyx, chiropompholyx, dyshidria, dysidria, dysidrosis, pompholyx. ... Origin: dys-+ G. …

dysjunctive nystagmus
Synonym for dissociated nystagmus ... A nystagmus in which the movements of the two eyes are dissimilar in direction, amplitude, and periodicity. ... Synonym: dysjunctive nystagmus, incongruent nystagmus, irregular nystagmus. ... (05 Mar 2000) ...

dyskaryosis
Abnormal maturation seen in exfoliated cells that have normal cytoplasm but hyperchromatic nuclei, or irregular chromatin distribution; may be followed by the development of a malignant neoplasm. ... Origin: dys-+ G. Karyon, nucleus, + -osis, condition ... (05 Mar 2000) ...

dyskaryotic
Pertaining to or characterised by dyskaryosis. ... (05 Mar 2000) ...

dyskeratoma
<tumour> A skin tumour exhibiting dyskeratosis. ... Origin: dys-+ G. Keras, horn, + -oma, tumour ... Warty dyskeratoma, a benign solitary tumour of the skin, usually of the scalp, face, or neck, with a central keratotic plug; it appears to arise from a hair follicle, and microscopically resembles a lesion of keratosis follicularis but is larger …

dyskeratosis
1. Premature keratinization of epithelial cells that have not reached the keratinizing surface layer; dyskeratotic cells generally become rounded and they may break away from adjacent cells and fall off. ... 2. Epidermalization of the conjunctival and corneal epithelium. ... 3. A disorder of keratinization. ... Origin: dys-+ G. Keras, horn, + -osis, c …

dyskeratosis congenita
An x-linked syndrome occurring predominantly in males, with onset in childhood and characterised by nail dystrophy, reticular cutaneous hyperpigmentation, mucosal leukokeratosis, and pancytopenia resembling that of fanconi. It is also known as zinsser-cole-engman syndrome. ... (12 Dec 1998) ...

dyskeratotic
Relating to or characterised by dyskeratosis. ... (05 Mar 2000) ...

dyskinesia
<neurology> The impairment of the power of voluntary movement, resulting in fragmentary or incomplete movements. ... Origin: Gr. Dyskinesia = difficulty of moving ... (18 Nov 1997) ...

dyskinesia algera
A hysterical condition in which active movement causes pain. ... (05 Mar 2000) ...

dyskinesia intermittens
Intermittent disability of the limbs due to impairment of circulation. ... (05 Mar 2000) ...

dyskinesia, drug-induced
Abnormal movements induced as an adverse reaction of drug therapy. One particular movement disorder is the 'on-off' effect. Tardive dyskinesia differs from akathisia, drug-induced in the repetitive nature of the movements rather than being associated with anxiety, restlessness, and agitation found in akathisia. ... (12 Dec 1998) ...

dyskinetic
Denoting or characteristic of dyskinesia. ... (05 Mar 2000) ...

dyskinetoplasty
Absence of an organised kinetoplast (and of kinetoplast DNA) from a flagellate protozoan cell. ... (18 Nov 1997) ...

dyslexia
<clinical sign> A term used to describe a condition in which an individual with normal vision is unable to properly interpret written language. Dyslexia is more common in males and is often first recognised as a reading difficulty in the first grade. Individuals can see and recognise letters but are unable to spell and write words. They have …

dyslexia, acquired
Loss of previously possessed reading facility, visual aphasia, or word blindness due to a brain lesion. ... (12 Dec 1998) ...

dyslexic
Relating to, or characterised by, dyslexia. ... (05 Mar 2000) ...

dyslogia
Impairment of speech and reasoning as the result of a mental disorder. ... Origin: dys-+ G. Logos, speaking, reason ... (05 Mar 2000) ...

dysmasesis
Difficulty in mastication. ... Origin: dys-+ G. Masesis, chewing ... (05 Mar 2000) ...

dysmature
1. Denoting faulty development or ripening; often connoting structural and/or functional abnormalities. ... 2. In obstetrics, denoting an infant whose birth weight is inappropriately low for its gestational age. ... 3. Immature development of the placenta so that normal function does not occur. ... Synonym: placental dysfunction. ... (05 Mar 2000) ...

dysmaturity
Syndrome of an infant born with relative absence of subcutaneous fat, wrinkling of the skin, prominent finger and toe nails, and meconium staining of the infant's skin and of the placental membranes; often associated with postmaturity or placental insufficiency. ... (05 Mar 2000) ...

dysmelia
Congenital abnormality characterised by missing or foreshortened limbs, sometimes with associated spine abnormalities; caused by metabolic disturbance at the time of primordial limb development. ... See: amelia, phocomelia. ... Origin: dys-+ G. Melos, limb ... (05 Mar 2000) ...

dysmenorrhea
Synonym for dysmenorrhoea ... difficult and painful menstruation ... (13 Nov 1997) ...

dysmenorrhoea
difficult and painful menstruation ... (13 Nov 1997) ...

dysmenorrhoeal membrane
A membrane, resembling the decidua, cast off in cases of membranous dysmenorrhoea. ... (05 Mar 2000) ...

dysmetria
An aspect of ataxia, in which the ability to control the distance, power, and speed of an act is impaired. Usually used to describe abnormalities of movement caused by cerebellar disorders. ... See: hypermetria, hypometria. ... Origin: dys-+ G. Metron, measure ... (05 Mar 2000) ...

dysmimia
An obsolete term for an impairment of expression by gestures or of imitation. ... Origin: dys-+ G. Mimeomai, to mimic ... (05 Mar 2000) ...

dysmnesia
An obsolete term for a naturally poor or an impaired memory. ... Origin: dys-+ G. Mneme, mnesi-, memory ... (05 Mar 2000) ...

dysmnesic psychosis
Synonym for Korsakoff's syndrome ... <syndrome> May occur as a sequel to chronic alcohol abuse. Features include personality changes, confabulation, psychosis, disorientation, polyneuritis, insomnia and hallucinations. ... (27 Sep 1997) ...

dysmnesic syndrome
Synonym for Korsakoff's syndrome ... <syndrome> May occur as a sequel to chronic alcohol abuse. Features include personality changes, confabulation, psychosis, disorientation, polyneuritis, insomnia and hallucinations. ... (27 Sep 1997) ...

dysmorphia
Synonym for dysmorphism ... Abnormality of shape. ... Synonym: dysmorphia. ... Origin: G. Dysmorphia, badness of form ... (05 Mar 2000) ...

dysmorphic feature
A body characteristic that is abnormally formed. A malformed ear, for example, is a dysmorphic feature. ... (12 Dec 1998) ...

dysmorphism
Abnormality of shape. ... Synonym: dysmorphia. ... Origin: G. Dysmorphia, badness of form ... (05 Mar 2000) ...

dysmorphogenesis
The process of abnormal tissue formation. ... Origin: dys-+ G. Morphe, form, + genesis, production ... (05 Mar 2000) ...

dysmorphology
Term coined by the late Dr. David W. Smith for the study of malformations. ... (12 Dec 1998) ...

dysmorphophobia
Synonym: body dysmorphic disorder. ... Origin: dys-+ G. Morphe, form, + phobos, fear ... (05 Mar 2000) ...

dysmyelinating disease
<radiology> Abnormal formation or maintenance of myelin enzymatic defect: infants and young kids, metachromatic leukodystrophy, aryl sulfatase A deficiency, CT: decreased density throughout white matter, adrenoleukodystrophy, males: X-linked recessive, CT: decreased density in posterior white matter, other leukodystrophies, Canavan, Krabbe, A …

dysmyelination
Improper laying down or breakdown of a myelin sheath of a nerve fibre, caused by abnormal myelin metabolism. ... (05 Mar 2000) ...

dysmyotonia
Abnormal muscular tonicity (either hyper-or hypo-). ... See: dystonia. ... Origin: dys-+ G. Mys, muscle, + tonos, tension, tone ... (05 Mar 2000) ...

dysnystaxis
A condition of half sleep. ... Synonym: light sleep. ... Origin: dys-+ G. Nystaxis, drowsiness ... (05 Mar 2000) ...

dysodontiasis
Difficulty or irregularity in the eruption of the teeth. ... Origin: dys-+ G. Odous, tooth, + -iasis, condition ... (05 Mar 2000) ...

dysontogenesis
Defective embryonic development. ... Origin: dys-+ G. On, being, + genesis, origin ... (05 Mar 2000) ...

dysontogenetic
Characterised by dysontogenesis. ... (05 Mar 2000) ...

dysorexia
Diminished or perverted appetite. ... Origin: dys-+ G. Orexis, appetite ... (05 Mar 2000) ...

dysosmia
Altered sense of smell. ... Origin: dys-+ G. Osme, smell ... (05 Mar 2000) ...

dysosteogenesis
Defective bone formation. ... Synonym: dysostosis. ... Origin: dys-+ G. Osteon, bone, + genesis, production ... (05 Mar 2000) ...

dysostoses
Defective bone formation involving individual bones, singly or in combination. ... (12 Dec 1998) ...

dysostosis
Synonym for dysosteogenesis ... Defective bone formation. ... Synonym: dysostosis. ... Origin: dys-+ G. Osteon, bone, + genesis, production ... (05 Mar 2000) ...

dysostosis multiplex
Synonym for Hurler's syndrome ... <syndrome> Mucopolysaccharidosis in which there is a deficiency of alpha-l-iduronidase, an accumulation of an abnormal intracellular material, and excretion of dermatan sulfate and heparan sulfate in the urine; with severe abnormality in development of skeletal cartilage and bone, with dwarfism, kyphosis, defo …

dyspallia
Developmental distortion of the brain mantle. ... Origin: dys-+ L. Pallium, cloak ... (05 Mar 2000) ...

dyspareunia
<symptom> Difficult or painful coitus. ... Origin: Gr. Dyspareunos = badly mated ... (18 Nov 1997) ...

dyspepsia
<symptom> The impairment of the power of function of digestion, usually applied to epigastric discomfort following meals. ... Origin: Gr. Peptein = to digest ... (18 Nov 1997) ...

dyspepsy
<medicine> A kind of indigestion; a state of the stomach in which its functions are disturbed, without the presence of other diseases, or, if others are present, they are of minor importance. Its symptoms are loss of appetite, nausea, heartburn, acrid or fetid eructations, a sense of weight or fullness in the stomach, etc. ... Origin: L. Dyspe …

dyspeptic
Relating to or suffering from dyspepsia. ... (05 Mar 2000) ...

dysphagia
<symptom> Difficulty in swallowing. ... Origin: Gr. Phagein = to eat ... (18 Nov 1997) ...

dysphagia lusoria
Dysphagia said to be due to compression by the right subclavian artery arising abnormally from the thoracic aorta and passing behind the oesophagus. ... Origin: coinage from L. Lusus naturae, a sport of nature ... (05 Mar 2000) ...

dysphagia nervosa
Synonym for oesophagism ... Oesophageal spasm causing dysphagia. ... Synonym: dysphagia nervosa, nervous dysphagia. ... (05 Mar 2000) ...

dysphagocytosis
Disordered phagocytosis, especially failure of cells to ingest and digest bacteria. ... (05 Mar 2000) ...

dysphasia
Language disorder. Inability to speak words which one has in mind or to think of correct words, or inability to understand spoken or written words. Symptom common to tumours of the dominant cerebral hemisphere, particularly the frontal, temporal and parietal lobes. ... (16 Dec 1997) ...

dysphemia
Disordered phonation, articulation, or hearing due to emotional or mental deficits. ... Origin: dys-+ G. Pheme, speech ... (05 Mar 2000) ...

dysphonia
Altered voice production. ... Origin: dys-+ G. Phone, voice ... Dysphonia plicae ventricularis, phonation with the ventricular bands rather than with the vocal cords. ... (05 Mar 2000) ...

dysphonia spastica
A spasmodic contraction of the intrinsic muscles of the larynx excited by attempted phonation, producing either adductor or abductor subtypes caused by central nervous system disease. A localised form of movement disorder. ... Synonym: phonic spasm, spastic dysphonia. ... (05 Mar 2000) ...

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) ...

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
Synonym for tarsomegaly ... 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
Synonym for multiple epiphysial dysplasia ... 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 …

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: chondrodys …

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
Synonym for dysplastic nevus syndrome ... <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 …

dysplastic nevus syndrome
<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 th …

dyspnea
Synonym for dyspnoea ... <symptom> Shortness of breath, difficult or laboured breathing. ... Origin: Gr. Dyspnoia = difficulty of breathing ... (18 Nov 1997) ...

dyspnea, paroxysmal
A form of respiratory distress related to posture (especially reclining at night) and usually attributed to congestive heart failure with pulmonary oedema. It appears suddenly at night, usually wakening the patient after an hour or two of sleep. It is also called paroxysmal nocturnal dyspnea. ... (12 Dec 1998) ...

dyspneic
Out of breath; relating to or suffering from dyspnea. ... (05 Mar 2000) ...

dyspnoea
<symptom> Shortness of breath, difficult or laboured breathing. ... Origin: Gr. Dyspnoia = difficulty of breathing ... (18 Nov 1997) ...

dyspraxia
Impaired or painful function of any organ of the body. ... (12 Dec 1998) ...

dysprosium
<chemical> Dysprosium. An element of the rare earth family that has the atomic symbol dy, atomic number 66, and atomic weight 162.50. Dysprosium is a silvery metal used primarily in the form of various salts. ... Chemical name: Dysprosium ... (12 Dec 1998) ...

dysproteinaemia
An abnormality in plasma proteins, usually in immunoglobulins. ... (05 Mar 2000) ...

dysproteinaemic
Relating to dysproteinaemia. ... (05 Mar 2000) ...

dysproteinaemic retinopathy
Retinal venous congestion due to increased blood viscosity in dysproteinaemia. ... (05 Mar 2000) ...