hyperemia


hyperemia
The presence of an increased amount of bloodflow in a part or organ. SEE ALSO: congestion. [hyper- + G. haima, blood]
- active h. h. due to an increased afflux of arterial blood into dilated capillaries. SYN: arterial h., fluxionary h..
- arterial h. SYN: active h..
- Bier h. obsolete term for h. produced by Bier method (2).
- collateral h. increased blood flow through abundant collateral channels when the circulation through the main artery to a part is arrested.
- fluxionary h. SYN: active h..
- passive h. h. due to an obstruction in the flow of blood from the affected part, the venous radicles becoming distended. SYN: venous h..
- peristatic h. SYN: peristasis.
- reactive h. h. following the arrest and subsequent restoration of the blood supply to a part.
- venous h. SYN: passive h..

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hy·per·emia or chiefly Brit hy·per·ae·mia .hī-pə-'rē-mē-ə n excess of blood in a body part (as from an increased flow of blood due to vasodilation): CONGESTION
hy·per·emic or chiefly Brit hy·per·ae·mic -mik adj

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hy·per·emia (hi″pər-eґme-ə) [hyper- + -emia] an increase of blood in a part; cf. congestion. Called also engorgement. hyperemic adj

Medical dictionary. 2011.

Look at other dictionaries:

  • hyperemia — [hī΄pərē′mē ə] n. [ModL: see HYPER & EMIA] an increased blood flow or congestion of blood in an organ, tissue, etc …   English World dictionary

  • hyperemia —    Excessive presence of blood, usually arterial; and the resultant increase in heat and metabolic rate. Hyperemia can be a pathology, blowing out blood vessels and the like; used here to describe the chronic or subclinical condition of… …   Herbal-medical glossary

  • hyperemia — US var. of HYPERAEMIA. * * * hyperemia var. hyperæmia …   Useful english dictionary

  • hyperemia — noun Etymology: New Latin Date: circa 1839 excess of blood in a body part ; congestion • hyperemic adjective …   New Collegiate Dictionary

  • hyperemia — hyperemic, adj. /huy peuhr ee mee euh/, n. Pathol. an abnormally large amount of blood in any part of the body. Also, hyperaemia. [1830 40; HYPER + EMIA] * * * …   Universalium

  • hyperemia — noun excess of blood in a body part …   Wiktionary

  • hyperemia — n. presence of excess blood in an area of the body (Medicine) …   English contemporary dictionary

  • hyperemia — noun US spelling of hyperaemia …   English new terms dictionary

  • hyperemia — hy·per·e·mia …   English syllables

  • hyperemia — hy•per•e•mi•a [[t]ˌhaɪ pərˈi mi ə[/t]] n. pat an abnormally large amount of blood in any part of the body • Etymology: 1830–40 hy per•e′mic, adj …   From formal English to slang


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