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单词 hyperemia
释义

hyperemia


hy·per·e·mi·a

H0357500 (hī′pə-rē′mē-ə)n. An increase in the quantity of blood flow to a body part; engorgement.
hy′per·e′mic (-mĭk) adj.

hyperemia

(ˌhaɪpərˈiːmɪə) n (Pathology) pathol the usual US spelling of hyperaemia ˌhyperˈemic adj

hy•per•e•mi•a

(ˌhaɪ pərˈi mi ə)

n. an abnormally large amount of blood in any part of the body. [1830–40] hy`per•e′mic, adj.

hyperemia, hyperaemia

a congestion of the blood, occurring in any part of the body. — hyperemic, hyperaemic, adj.See also: Blood and Blood Vessels
Thesaurus
Noun1.hyperemia - increased blood in an organ or other body parthyperaemiacongestion - excessive accumulation of blood or other fluid in a body partengorgement - congestion with blood; "engorgement of the breast"
Translations

Hyperemia


hyperemia

[‚hī·pə′rē·mē·ə] (medicine) An excess of blood within an organ or tissue caused by blood vessel dilation or impaired drainage, especially of the skin.

Hyperemia

 

also plethora, an excess of blood in a tissue or organ. One may distinguish arterial and venous hyperemia. Arterial (active) hyperemia arises as a result of increased blood flow in the arteries owing to increased tonus of the vasodilator nerves or decreased tonus of the vasoconstrictor nerves. Among its causes are increased sensitivity of the blood vessels to physiological stimuli or the influence of extraordinary stimuli (such as bacterial toxins, high temperature, and products of tissue decomposition); in humans psychogenic factors (such as shame and anger) play a large role. Arterial hyperemia is characterized by dilatation of the arteries in the hyperemized area, elevation of temperature in the area, acceleration of blood flow, and reddening (for example, hyperemia of the face). It is accompanied by intensification of metabolic processes in the tissues and promotes the regeneration of tissues. Hemorrhages may occur during arterial hyperemia if there are pathological changes in the blood vessels. Arterial hyperemia is induced for therapeutic purposes by means of mustard plasters and cupping glasses. Venous (passive, static) hyperemia occurs when the outflow of blood along the veins is obstructed as a result of pressure on the venous wall (cicatrix, tumor, varicose dilatation of the veins, or edema), while the inflow remains unchanged or when there is a weakening of cardiac activity. Venous hyperemia is characterized by deceleration of blood flow to the point of complete stasis. Oxygen deficit develops in the tissues, the vascular walls become more permeable, and edema develops. Prolonged blood stasis and edema may lead to atrophy of the parenchyma of an organ.

V. A. FROLOV

hyperemia


hyperemia

 [hi″per-e´me-ah] an excess of blood in a part; called also engorgement. adj., adj hypere´mic.active hyperemia (arterial hyperemia) that due to local or general relaxation of arterioles.leptomeningeal hyperemia congestion of the pia-arachnoid.passive hyperemia that due to obstruction of flow of blood from the area.reactive hyperemia that due to increase in blood flow after its temporary interruption.venous hyperemia passive hyperemia.

hy·per·e·mi·a

(hī'pĕr-ē'mē-ă), The presence of an increased amount of bloodflow in a part or organ.
See also: congestion.
[hyper- + G. haima, blood]

hyperemia

(hī′pə-rē′mē-ə)n. An increase in the quantity of blood flow to a body part; engorgement.
hy′per·e′mic (-mĭk) adj.

hyperemia

An excess of blood flow through a particular tissue. Cf Congestion.

hy·per·e·mi·a

(hī'pĕr-ē'mē-ă) The presence of an increased amount of blood in a part or organ.
See also: congestion
[hyper- + G. haima, blood]

hyperemia

an increased blood flow to an organ or tissue.

hy·per·e·mi·a

(hī'pĕr-ē'mē-ă) Increased amount of bloodflow in a body part or organ.
See also: congestion
[hyper- + G. haima, blood]

hyperemia


Related to hyperemia: active hyperemia, passive hyperemia, reactive hyperemia
  • noun

Synonyms for hyperemia

noun increased blood in an organ or other body part

Synonyms

  • hyperaemia

Related Words

  • congestion
  • engorgement
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更新时间:2024/9/23 12:24:37