| corrected and republished article | The republication of an article to correct, amplify, or restore text and data of the originally published article. (12 Dec 1998) |
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| costs and cost analysis | Absolute, comparative, or differential costs pertaining to services, institutions, resources, etc., or the analysis and study of these costs. (12 Dec 1998) |
| porcine reproductive and respiratory syndrome | <syndrome> A syndrome characterised by outbreaks of late term abortions, high numbers of stillbirths and mummified or weak newborn piglets, and respiratory disease in young unweaned and weaned pigs. It is caused by swine infertility and respiratory syndrome virus. (radostits et al., veterinary medicine, 8th ed, p1048) (12 Dec 1998) |
| post and core technique | Use of a metal casting, usually with a post in the pulp or root canal, designed to support and retain an artificial crown. (12 Dec 1998) |
| haematologic, gastrointestinal, and renal agents | A collective grouping for agents that act on the haematopoietic, gastrointestinal, and renal systems. (12 Dec 1998) |
| haematoxylin and eosin stain | <technique> Probably the most generally useful of all staining methods for tissues; nuclei are stained a deep blue-black with haematoxylin, and cytoplasm is stained pink after counterstaining with eosin, usually in water. (05 Mar 2000) |
| half and half nail | Division of the nail by a transverse line into a proximal dull white part and a distal pink or brown part; seen in uraemia. (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) |
| H and D curve | Sensitometric curve of radiographic film, a plot of the film density versus the logarithm of the relative exposure. Synonym: H and D curve, Hunter and Driffield curve. (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) |
| Harris and Ray test | A test for vitamin C in the urine; a microtitration test of the urine against a known amount of 0.05% aqueous solution of the dye 2,6-dichloroindophenol in 10% acetic acid (usually 0.05 ml of dye is used, roughly equivalent to 0.025 mg of ascorbic acid). Synonym: Harris test. (05 Mar 2000) |
| head and neck neoplasms | Neoplasms of the head and neck. (12 Dec 1998) |
| saccule and utricle | Two membranous sacs within the vestibule of the inner ear. The smaller, the saccule, lies near the opening of the scala vestibuli. The larger, the utricle, is in the superoposterior part of the vestibule. Both receive filaments from the acoustic nerve. (12 Dec 1998) |
| health and human services | See HHS. (12 Dec 1998) |