English dictionary of medical terms (40)

Back to welcome

[dictionary] Go to the previous part of the dictionary

[Multilingual]No:780 - hydrolysis
(hydro- + Gr. lysis dissolution) the splitting of a compound into fragments by the addition of water, the hydroxyl group being incorporated in one fragment, and the hydrogen atom in the other.
[Multilingual]No:781 - hydrophilic
readily absorbing moisture; hygroscopic; having strongly polar groups that readily interact with water.
[Multilingual]No:782 - hydrophobic
not readily absorbing water, or being adversely affected by water, as a hydrophobic colloid.
[Multilingual]No:783 - hydroxylation
hydroxylate, to introduce hydroxyl into (a compound or radical) usually by replacement of hydrogen.
[Multilingual]No:784 - hygienic
pertaining to hygiene, or conducive to health.
[Multilingual]No:785 - hyperaemia
(hyper + Gr. haima blood + -ia) an excess of blood in a part; engorgement.
[Multilingual]No:786 - hyperaesthesia
(hyper- + Gr. aisthsis sensation + -ia) increased sensitivity to stimulation.
[Multilingual]No:787 - hyperaldosteronism
aldosteronism.
[Multilingual]No:788 - hyperalgesia
(hyper- + Gr. algsis pain) excessive sensitiveness or sensibility to pain.
[Multilingual]No:789 - hyperbaric
(hyper- + Gr. baros weight) characterized by greater than normal pressure or weight; applied to gases under greater than atmospheric pressure, as hyperbaric oxygen, or to a solution of greater specific gravity than another taken as a standard of reference.
[Multilingual]No:790 - hypercapnia
(hyper + Gr. kapnos smoke) excess of carbon dioxide in the blood.
[Multilingual]No:791 - hyperemesis
excessive vomiting.
[Multilingual]No:792 - hyperglycaemia
(hyper- + Gr. glykys sweet +haima blood + -ia) abnormally increased content of sugar in the blood.
[Multilingual]No:793 - hyperhidrosis
(hyper- + Gr. hidrosis sweating) excessive perspiration. Called also hyperidrosis, polyhidrosis, and polyidrosis.
[Multilingual]No:794 - hyperkalaemia
Pathology: an abnormally high concentration of potassium in the blood.
[Multilingual]No:795 - hyperkeratosis
1. hypertrophy of the corneous layer of the skin. 2a. any of various conditions marked by hyperkeratosis. 2b. a disease of cattle marked by thickening and wringling of the hide and formation of papillary outgrowths on the buccal mucous membranes, often accompanied by watery discharge from eyes and nose, diarrhoea, loss of condition, and abortion of pregnant animals, and now believed to result from ingestion of the chlorinated naphthalene of various lubricating oils.
[Multilingual]No:796 - hyperkinesia
(hyper- + Gr. kinsis motion + -ia) abnormally increased motor function or activity; hyperactivity.
[Multilingual]No:797 - hyperlipidaemia
(hyper- + lipid + -emia) a general term for elevated concentrations of any or all of the lipids in the plasma, including hyperlipoproteinaemia, hypercholesterolaemia, etc.
[Multilingual]No:798 - hyperostosis
(hyper- + Gr. osteon bone + -osis) hypertrophy of bone; exostosis.
[Multilingual]No:799 - hyperplasia
(hyper- + Gr. plasis formation) the abnormal multiplication or increase in the number of normal cells in normal arrangement in a tissue. Cf. hypertrophy.
[Dictionary] Go to the next part of the dictionary