| AAAI | American Academy of Allergy and Immunology |
|---|---|
| AAC | antibiotic-associated [pseudomembranous] colitis; antimicrobial agent-induced colitis; augmentative ... |
| AACIA | American Association for Clinical Immunology and Allergy |
| AACPDM | American Academy for Cerebral Palsy and Developmental Medicine |
| AAEE | American Association of Electromyography and Electrodiagnosis |
| 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) |
| 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) |
| health care economics and organizations | The economic aspects of health care, its planning, and delivery. It includes government agencies and organizations in the private sector. (12 Dec 1998) |
| health care facilities, manpower, and services | The services provided in the delivery of health care, associated facilities in health care, and attendant manpower required or available. (12 Dec 1998) |
| health care quality, access, and evaluation | The concept concerned with all aspects of the quality, accessibility, and appraisal of health care and health care delivery. (12 Dec 1998) |
| primary hyperoxaluria and oxalosis | A metabolic disorder characterised by calcium oxalate nephrocalcinosis and nephrolithiasis, extrarenal oxalosis, and increased urinary output of oxalic and glycolic acids; usually evident clinically in the first decade of life, with progressive renal failure and uraemia; autosomal recessive inheritance. Type I is due to an alteration in alanine:glyoxylate aminotransferase; type II is due to an alteration in d-glycerate dehydrogenase. (05 Mar 2000) |
| health services needs and demand | Health services required by a population or community as well as the health services that the population or community is able and willing to pay for. It includes the identification and assessment of the needs as measured by objective criteria and standards. (12 Dec 1998) |