hyperemia /hy·per·emia/ (-e´me-ah) engorgement; an excess of blood in a part.hypere´mic
hyperemia [hi″per-e´me-ah]
hyperemia (hī´p
rē´mē),
active hyperemia , arterial hyperemia that due to local or general relaxation of arterioles.
exercise hyperemia vasodilation of the capillaries in muscles in response to the onset of exercise, proportionate to the force of the muscular contractions.
passive hyperemia that due to obstruction to flow of blood from the area.
reactive hyperemia that due to increase in blood flow after its temporary interruption.
venous hyperemia passive h.
| passive hyperemia n. Hyperemia resulting from an obstruction in the flow of blood from a body part. Also called venous 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.
hyperemia (hī´p
rē´mē),n an increased and excessive amount of blood in a tissue. The hyperemia may be active or passive.
hyperemia, active,
n a type caused by an increased flow of blood to an area by active dilation of both the arterioles and capillaries. It is associated with neurogenic, hormonal, and metabolic function.
hyperemia, passive,
n a type caused by a decreased outflow of blood from an area. It may be generalized, resulting from cardiac, renal, or pulmonary disorders, or it may be localized, as in the oral cavity, and caused by pressure from mechanical or physical obstruction or by pressure from a tumor, denture, filling, or salivary calculus.
hyperemia, pulpal
n a condition in which an injury, infection, or irritant causes the blood vessels around the tooth's pulp to dilate, resulting in painful pressure.
hyperemia
an excess of blood in a part.
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 to flow of blood from the area.
pulpal hyperemia
hyperemia of the tooth pulp.
reactive hyperemia
that due to increase in blood flow after its temporary interruption.
venous hyperemia
passive hyperemia.
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