| perforating arteries of hand | The perforating branches of the palmar metacarpal arteries, three small arteries that pass dorsally through the second, third, and fourth interosseous spaces of the hand from the palmar metacarpal arteries. Synonym: ramus perforantes arteriarum metacarpalium palmarium, perforating arteries of hand. (05 Mar 2000) |
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| chromosomes, yeast artificial | Chromosomes in which fragments of exogenous DNA ranging in length up to several hundred kilobase pairs have been cloned into yeast through ligation to vector sequences. These artificial chromosomes are used extensively in molecular biology for the construction of comprehensive genomic libraries of higher organisms. (12 Dec 1998) |
| cleft hand | A congenital deformity in which the division between the fingers, especially between the third and fourth, extends into the metacarpal region. See: lobster-claw deformity. Synonym: main fourchee, split hand. (05 Mar 2000) |
| monkey hand | A deformity marked by extension of the thumb in the same plane as the palm and fingers. Synonym: monkey hand, monkey-paw. (05 Mar 2000) |
| writing hand | A contraction of the hand muscles in parkinsonism, bringing the fingers somewhat into the position of holding a pen. (05 Mar 2000) |
| pneumoperitoneum, artificial | Deliberate introduction of air into the peritoneal cavity. (12 Dec 1998) |
| pneumothorax, artificial | Injection of air or a more slowly absorbed gas such as nitrogen, into the pleural space to collapse the lung. It was formerly used to treat pulmonary tuberculosis. (12 Dec 1998) |
| crab hand | An infection caused by erysipelothrix rhusiopathiae that is almost wholly restricted to persons who in their occupation handle infected fish, shellfish, poultry, or meat. Three forms of this condition exist: a mild localised form manifested by local swelling and redness of the skin; a diffuse form that might present with fever; and a rare systemic form associated with endocarditis. (12 Dec 1998) |
| hand | The portion of the upper limb distal to the radiocarpal joint, comprised of the wrist, palm, and fingers. Synonym: manus, main. Origin: A.S. (19 Feb 2000) |
| Hand, Alfred | <person> U.S. Paediatrician, 1868-1949. See: Hand-Schuller-Christian disease. (05 Mar 2000) |
| hand-and-foot syndrome | <syndrome> Recurrent painful swelling of the hands and feet occurring in infants and young children with sickle cell anaemia. Synonym: sickle cell dactylitis. (05 Mar 2000) |
| hand deformities | Alterations or deviations from normal shape or size which result in a disfigurement of the hand. These can be acquired after birth as the result of injury or disease or congenital occurring at or before birth. (06 Mar 2000) |
| hand eczema | Eczema that predominantly and persistently affects the hands; of multiple causation, including allergic, industrial, irritant, dyshidrotic, bacterial, and atopic mechanisms. (05 Mar 2000) |
| hand-foot-and-mouth disease | <infectious disease> Hand, foot and mouth disease is a mild, highly infectious viral disease of children, characterised by vesicular lesions in the mouth and on the hands and feet. Occurs most often in young children (under 3) and is transmitted via close contact. Outbreaks occur most often in the spring. Usually begins as a throat infection (pharyngitis) that later includes a rash (blisters) on the hands, feet and diaper area. Blisters may also appear on the throat and in the mouth. Other features include anorexia, headache and fever. The illness is typically self-limited, lasting 5-7 days. There is no specific treatment other than general supportive care. An exanthematous eruption of small, pearl-gray vesicles of the fingers, toes, palms, and soles, accompanied by often painful vesicles and ulceration of the buccal mucous membrane and the tongue and by slight fever; the disease lasts 4 to 7 days, and is usually caused by Coxsackie virus type A-16, but other types have been identified. (05 Mar 2000) |
| hand-foot-and-mouth disease virus | The virus causing hand-foot-and-mouth disease; chiefly type A16 but also types A4, A5, A7, A9, or A10 Entervirus coxsackievirus. (05 Mar 2000) |