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Amblyopia
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D000550 |
[A nonspecific term referring to impaired vision. Major subcategories include stimulus deprivation-induced amblyopia and toxic amblyopia. Stimulus deprivation-induced amblyopia is a developmental disorder of the visual cortex. A discrepancy between visual information received by the visual cortex from each eye results in abnormal cortical development. STRABISMUS and REFRACTIVE ERRORS may cause this condition. Toxic amblyopia is a disorder of the OPTIC NERVE which is associated with ALCOHOLISM, tobacco SMOKING, and other toxins and as an adverse effect of the use of some medications.
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Amblyospora
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D050219 |
[A genus of FUNGI, in the family Amblyosporidae, which is a parasite of MOSQUITOES.
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Ambrosia
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D031164 |
[A plant genus of the family ASTERACEAE. The POLLEN is one cause of HAYFEVER.
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Ambroxol
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D000551 |
[A metabolite of BROMHEXINE that stimulates mucociliary action and clears the air passages in the respiratory tract. It is usually administered as the hydrochloride.
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Ambulance Diversion
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D064422 |
[The practice of redirecting ambulances and patients seeking urgent care from one emergency department to others for various reasons such as overcrowding and shortage of skilled staff.
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Ambulances
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D000552 |
[A vehicle equipped for transporting patients in need of emergency care.
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Ambulatory Care
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D000553 |
[Health care services provided to patients on an ambulatory basis, rather than by admission to a hospital or other health care facility. The services may be a part of a hospital, augmenting its inpatient services, or may be provided at a free-standing facility.
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Ambulatory Care Facilities
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D000554 |
[Those facilities which administer health services to individuals who do not require hospitalization or institutionalization.
, Free-standing walk-in facilities that generally specialize in treating a disease, illness, or injury presented on an episodic basis. The disease, illness or injury is usually acute and non-life-threatening.
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Ambulatory Care Information Systems
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D000555 |
[Information systems, usually computer-assisted, designed to store, manipulate, and retrieve information for planning, organizing, directing, and controlling administrative activities associated with the provision and utilization of ambulatory care services and facilities.
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Ambulatory Surgical Procedures
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D000556 |
[Surgery performed on an outpatient basis. It may be hospital-based or performed in an office or surgicenter.
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Ambystoma
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D000557 |
[A genus of the Ambystomatidae family. The best known species are the axolotl AMBYSTOMA MEXICANUM and the closely related tiger salamander Ambystoma tigrinum. They may retain gills and remain aquatic without developing all of the adult characteristics. However, under proper changes in the environment they metamorphose.
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Ambystoma mexicanum
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D000558 |
[A salamander found in Mexican mountain lakes and accounting for about 30 percent of the urodeles used in research. The axolotl remains in larval form throughout its life, a phenomenon known as neoteny.
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Ambystomatidae
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D000559 |
[A family of the class Urodela which includes 4 living genera, about 33 species, and occurs only in North America. Adults are usually terrestrial, but the larval forms are aquatic.
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Amdinocillin
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D000560 |
[An amidinopenicillanic acid derivative with broad spectrum antibacterial action.
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Amdinocillin Pivoxil
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D000561 |
[Pivaloyloxymethyl ester of amdinocillin that is well absorbed orally, but broken down to amdinocillin in the intestinal mucosa. It is active against gram-negative organisms and used as for amdinocillin.
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Amdovirus
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D052659 |
[A genus in the subfamily PARVOVIRINAE consisting of a single species ALEUTIAN MINK DISEASE VIRUS.
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Amebiasis
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D000562 |
[Infection with any of various amebae. It is an asymptomatic carrier state in most individuals, but diseases ranging from chronic, mild diarrhea to fulminant dysentery may occur.
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Amebicides
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D000563 |
[Agents which are destructive to amebae, especially the parasitic species causing AMEBIASIS in man and animal.
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Ameloblastoma
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D000564 |
[An immature epithelial tumor of the JAW originating from the epithelial rests of Malassez or from other epithelial remnants of the ENAMEL from the developmental period. It is a slowly growing tumor, usually benign, but displays a marked propensity for invasive growth.
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Ameloblasts
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D000565 |
[Cylindrical epithelial cells in the innermost layer of the ENAMEL ORGAN. Their functions include contribution to the development of the dentinoenamel junction by the deposition of a layer of the matrix, thus producing the foundation for the prisms (the structural units of the DENTAL ENAMEL), and production of the matrix for the enamel prisms and interprismatic substance. (From Jablonski's Dictionary of Dentistry, 1992)
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