drainage, postural |
Therapeutic drainage in bronchopulmonary diseases in which there is copious mucus secretion, such as chronic bronchitis, bronchiectasis, pulmonary abscess, or cystic fibrosis. The patient is placed with head downward, so that the trachea is inclined downward and below the affected area. It may be done in 15- to 20-minute sessions or by having the patient sleep in a head-down position. The therapy may be used in conjunction with forced expiration, bronchodilator agents, or expectorants. (12 Dec 1998) |
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drainage, sanitary |
A system of artificial or natural drains, generally used for the disposal of liquid wastes. (12 Dec 1998) |
draine |
<zoology> The missel thrush. Origin: F. Source: Websters Dictionary (01 Mar 1998) |
draining |
<agriculture> Of Drain, The art of carrying off surplus water, as from land. Draining tile. Same as Draintile. Source: Websters Dictionary (01 Mar 1998) |
drake |
1. The male of the duck kind. 2. [Cf. Dragon fly, under Dragon] The drake fly. "The drake will mount steeple height into the air." (Walton) Drake fly, a kind of fly, sometimes used in angling. "The dark drake fly, good in August." (Walton) Origin: Akin to LG. Drake, OHG. Antrache, anetrecho, G. Enterich, Icel. Andriki, Dan. Andrik, OSw. Andrak, andrage, masc, and fr. AS. Ened, fem, duck; akin to D. Eend, G. Ente, Icel. Ond, Dan. And, Sw. And, Lith. Antis, L. Anas, Gr. (for), and perh. Skr. Ati a water fowl. In English the first part of the word was lost. The ending is akin to E. Rich. Cf. Gulaund. Source: Websters Dictionary (01 Mar 1998) |
dram |
<unit> A unit of weight: 1/8 oz.; 60 gr, apothecaries' weight; 1/16 oz., avoirdupois weight. Synonym: drachm. Abbreviation: dr Origin: see drachm (05 Mar 2000) |
dramamine |
<chemical> A drug combination that contains diphenhydramine and theophylline. It is used for treating vertigo, motion sickness, and nausea associated with pregnancy. It is not effective in the treatment of nausea associated with cancer chemotherapy. Pharmacological action: antiemetics, histamine h1 antagonists. Chemical name: 1H-Purine-2,6-dione, 8-chloro-3,7-dihydro-1,3-dimethyl-, compd. With 2-(diphenylmethoxy)-N,N-dimethylethanamine (1:1) (12 Dec 1998) |
drank |
Wild oats, or darnel grass. See Drake a plant. Origin: Cf. 3d Drake. Source: Websters Dictionary (01 Mar 1998) |
Draper's law |
A chemical change is produced in a photochemical substance only by those light rays that are absorbed by that substance. (05 Mar 2000) |
Draper, John |
<person> English chemist, 1811-1882. See: Draper's law. (05 Mar 2000) |
drapetomania |
<psychiatry> An uncontrollable desire to run away from home. Origin: G. Drapetes, runaway, + mania, insanity (05 Mar 2000) |
drash syndrome |
<radiology> Male pseudohermaphroditism, progressive nephritis, Wilms tumour (12 Dec 1998) |
dravida |
<ethnology> A race Hindostan, believed to be the original people who occupied the land before the Hindoo or Aryan invasion. Origin: Skr. Dravia, prob. Meaning, Tamil. Source: Websters Dictionary (01 Mar 1998) |
dravidian |
<ethnology> Of or pertaining to the Dravida. Dravidian languages, a group of languages of Southern India, which seem to have been the idioms of the natives, before the invasion of tribes speaking Sanskrit. Of these languages, the Tamil is the most important. Origin: From Skr. Dravia, the name of the southern portion of the peninsula of India. Source: Websters Dictionary (01 Mar 1998) |
draw-sheet |
A narrow sheet placed crosswise on the bed under the patient, with a rubber sheet of the same width beneath it; used to assist in moving the patient or in changing soiled bed coverings. (05 Mar 2000) |