hydrocephaly |
An increased quantity of cerebrospinal fluid (CSF) inside the brain that can result in increased pressure. Often the result of a disturbance (obstruction) in the normal CSF circulation or the over-production of CSF. (27 Sep 1997) |
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hydrochlorate |
<chemistry> Same as Hydrochloride. Source: Websters Dictionary (01 Mar 1998) |
hydrochloric |
<chemistry> Pertaining to, or compounded of, chlorine and hydrogen gas; as, hydrochloric acid; chlorhydric. <chemistry> Hydrochloric acid, hydrogen chloride; a colourless, corrosive gas, HCl, of pungent, suffocating odour. It is made in great quantities in the soda process, by the action of sulphuric acid on common salt. It has a great affinity for water, and the commercial article is a strong solution of the gas in water. It is a typical acid, and is an indispensable agent in commercial and general chemical work. Synonym: muriatic, and chlorhydric, acid. Origin: Hydro-, 2 + hloric: cf. F. Hydrochlorique. Source: Websters Dictionary (01 Mar 1998) |
hydrochloric acid |
<chemical> Hydrochloric acid. Solutions of hydrogen chloride gas in water. It is a highly corrosive, strong mineral acid commonly used as a laboratory reagent. It is present endogenously as the acid component of gastric juice (hydrochloric acid, gastric see gastric acid). Chemical name: Hydrochloric acid (12 Dec 1998) |
hydrochloride |
<chemistry> A compound of hydrochloric acid with a base; distinguished from a chloride, where only chlorine unites with the base. Source: Websters Dictionary (01 Mar 1998) |
hydrochlorothiazide |
<chemical> A thiazide diuretic often considered the prototypical member of this class. It reduces the reabsorption of electrolytes from the renal tubules. This results in increased excretion of water and electrolytes, including sodium, potassium, chloride, and magnesium. It has been used in the treatment of several disorders including oedema, hypertension, diabetes insipidus, and hypoparathyroidism. Pharmacological action: antihypertensive agents, diuretics, thiazide. Chemical name: 2H-1,2,4-Benzothiadiazine-7-sulfonamide, 6-chloro-3,4-dihydro-, 1,1-dioxide (12 Dec 1998) |
hydrocholecystis |
Rarely used term for an effusion of serous fluid into the gallbladder. Origin: hydro-+ G. Chole, bile, + kystis, bladder (05 Mar 2000) |
hydrocholeresis |
Increased output of a watery bile of low specific gravity, viscosity, and solid content. Origin: hydro-+ G. Chole, bile, + hairesis, a taking (05 Mar 2000) |
hydrocholeretic |
Pertaining to hydrocholeresis. (05 Mar 2000) |
hydrocodone |
<chemical> Narcotic analgesic related to codeine, but more potent and more addicting by weight. It is used also as cough suppressant. Pharmacological action: analgesics, opioid, antitussive agents, narcotics. Chemical name: Morphinan-6-one, 4,5-epoxy-3-methoxy-17-methyl-, (5alpha)- (12 Dec 1998) |
hydrocolloid |
A gelatinous colloid in unstable equilibrium with its contained water, useful in dentistry for impressions because of its dimensional stability under controlled conditions. (05 Mar 2000) |
hydrocolpocele |
Accumulation of mucus or other nonsanguineous fluid in the vagina. Origin: hydro-+ G. Kolpos, bosom (vagina) (05 Mar 2000) |
hydrocorallia |
<zoology> A division of Hydroidea, including those genera that secrete a stony coral, as Millepora and Stylaster. Two forms of zooids in life project from small pores in the coral and resemble those of other hydroids. See Millepora. Origin: NL. See Hydra, and Coral. Source: Websters Dictionary (01 Mar 1998) |
hydrocortamate hydrochloride |
17-Hydroxycorticosterone-21-diethylaminoacetate hydrochloride; cortisol 21-(N,N-diethyl)glycinate hydrochloride;an ester-salt of hydrocortisone, used topically in the treatment of acute and chronic dermatoses. (05 Mar 2000) |
hydrocortisone |
<chemical> (11 beta)-11,17,21-trihydroxypregn-4-ene-3,20-dione. The main glucocorticoid secreted by the adrenal cortex. Its synthetic counterpart is used, either as an injection or topically, in the treatment of inflammation, allergy, collagen diseases, asthma, adrenocortical deficiency, shock, and some neoplastic conditions. Pharmacological action: steroidal anti-inflammatory agents. Chemical name: Pregn-4-ene-3,20-dione, 11,17,21-trihydroxy-, (11beta)- (12 Dec 1998) |
Synonyms :
Synonyms : Muriatic Acid, Acid, Hydrochloric, Acid, Muriatic, Chloride, Hydrogen
Synonyms : Dichlothiazide, Dihydrochlorothiazide, Esidrex, Esidrix, HCTZ, HydroDIURIL, Hypothiazide, Oretic, Sectrazide
Synonyms : Codinovo, Dicodid, Du Pont Brand of Hydrocodone Tartrate, Hycodan, Hycon, Hydrocodon, Hydrocodone Bitartrate, Hydrocodone Tartrate (1:1), Hydrate (2:5), Knoll Brand of Hydrocodone Tartrate, Nourypharma Brand of Hydrocodone Tartrate, Robidone
Synonyms :
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HydroDIURIL
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hydrochlorothiazide: a diuretic drug (trade name Esidrix and HydroDIURIL) used in the treatment of hypertension
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hydromorphone
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hydromorphone hydrochloride: a narcotic analgesic (trade name Dilaudid) used to treat moderate to severe pain
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hydrophyte
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aquatic plant: a plant that grows partly or wholly in water whether rooted in the mud, as a lotus, or floating without anchorage, as the water hyacinth
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hydrocephalus
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an abnormal condition in which cerebrospinal fluid collects in the ventricles of the brain; in infants it can cause abnormally rapid growth of the head and bulging fontanelles and a small face; in adults the symptoms are primarily neurological
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hydrostatics
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study of the mechanical properties of fluids that are not in motion
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