extracranial arteritis |
giant cell arteritis |
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extracranial ganglia |
<anatomy, nerve> The lower of two sensory ganglion's on the glossopharyngeal nerve as it traverses the jugular foramen. Synonym: ganglion inferius nervi glossopharyngei, Andersch's ganglion, extracranial ganglia, ganglion extracraniale, petrosal ganglion, petrous ganglion. (05 Mar 2000) |
extracranial pneumatocele |
Collection of gas beneath the galea aponeurotica, usually due to fracture into the paranasal sinuses. Synonym: extracranial pneumocele. (05 Mar 2000) |
extracranial pneumocele |
Collection of gas beneath the galea aponeurotica, usually due to fracture into the paranasal sinuses. Synonym: extracranial pneumocele. (05 Mar 2000) |
extracranial-intracranial bypass |
A vascular shunt created by the anastomosis of an extracranial vessel to an intracranial vessel, usually, the superficial temporal artery to a cortical branch of the middle cerebral artery. (05 Mar 2000) |
extract |
<pharmacology> A concentrated preparation of a vegetable or animal drug obtained by removing the active constituents therefrom with a suitable menstruum, evaporating all or nearly all the solvent and adjusting the residual mass or powder to a prescribed standard. Extracts are prepared in three forms, semiliquid or of syrupy consistency, pilular or solid and as dry powder. Origin: L. Extractum (18 Nov 1997) |
extractant |
An agent used to isolate or extract a substance from a mixture or combination of substances, from the tissues, or from a crude drug. (05 Mar 2000) |
extractiform |
<chemistry> Having the form, appearance, or nature, of an extract. Source: Websters Dictionary (01 Mar 1998) |
extracting forceps |
<dentistry> Forceps used to luxate teeth and remove them from the alveolus. Synonym: extracting forceps. (05 Mar 2000) |
extraction |
The process or act of pulling or drawing out. Origin: L. Trahere = to draw (18 Nov 1997) |
extraction and processing industry |
The industry concerned with the removal of raw materials from the earth's crust and with their conversion into refined products. (12 Dec 1998) |
extraction coefficient |
The percentage of a substance removed from the blood or plasma in a single passage through a tissue; e.g., the extraction coefficient for p-aminohippuric acid (PAH) in the kidney is the difference between arterial and renal venous plasma PAH concentrations, divided by the arterial plasma PAH concentration. (05 Mar 2000) |
extraction ratio |
The fraction of a substance removed from the blood flowing through the kidney; it is calculated from the formula (A -V)/A, where A and V, respectively, are the concentrations of the substance in arterial and renal venous plasma. (05 Mar 2000) |
extraction, obstetrical |
Extraction of the foetus by means of obstetrical instruments. (12 Dec 1998) |
extractive |
1. Capable of being extracted. "Thirty grains of extractive matter." 2. Tending or serving to extract or draw out. "Certain branches of industry are conveniently designated extractive: e.g, agriculture, pastoral and mining pursuits, cutting of lumber, etc." (Cairnes) Origin: Cf. F. Extractif. 1. Anything extracted; an extract. "Extractives, of which the most constant are urea, kreatin, and grape sugar." (H. N. Martin) 2. <chemistry> A chemical principle once supposed to exist in all extracts. Any one of a large class of substances obtained by extraction, and consisting largely of nitrogenous hydrocarbons, such as xanthin, hypoxanthin, and creatine extractives from muscle tissue. Source: Websters Dictionary (01 Mar 1998) |
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external otitis
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Inflammation of the outer ear. Should be treated by an Otologist.
출처: www.geocities.com/HotSprings/3612/terms.htm
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external auditory meatus
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Outer ear opening.
출처: www.geocities.com/CapeCanaveral/Galaxy/1508/glossa...
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extracellular fluid
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a general term for all the body fluids outside the cells, including the interstitial fluid, plasma, lymph, cerebrospinal fluid, etc. Extracellular fluid consists of ultrafiltrates of the blood plasma and transcellular fluid, ie, fluid produced by active cellular secretion. It provides a constant external environment for the cells.
출처: www.merckmedicus.com/pp/us/hcp/thcp_dorlands_conte...
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exterior
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formed by the set of points surrounding a polygon. (See page 939)
출처: highered.mcgraw-hill.com/sites/0070131511/student_...
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extinction
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The irrevocable elimination of species; can be a normal process of the natural world as species out-compete or kill off others or as environmental conditions change.
출처: highered.mcgraw-hill.com/sites/0070294267/student_...
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