hyperemia


Also found in: Dictionary, Thesaurus, Encyclopedia, Wikipedia.

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

/hy·per·emia/ (-e´me-ah) engorgement; an excess of blood in a part.hypere´mic
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.

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

[hī′pərē′mē·ə]
Etymology: Gk, hyper + haima, blood
an excess of blood in part of the body, caused by increased blood flow, as in the inflammatory response, local relaxation of arterioles, or obstruction of the outflow of blood from an area. Skin overlying a hyperemic area usually becomes reddened and warm. hyperemic, 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.

hyperemia (hīˈ·p·rēˑ·mē·),

n condition of increased circulatory flow, warmth, and flushed appearance in an area. Massage therapists often create hyperemia to warm and soften tissue in preparation for specific or deeper work.

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 (hī´pərē´mēə),

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.
References in periodicals archive ?
When radiation was applied at a high dose or multiple times with gradually increasing doses, inflammation, atrophy in the mucosae, edema in the sub- mucosae, hyperemia, plasmocide in lamina proprea, and leucocyte infiltration with polymorph nuclei, and in the cells that have not been differentiated, inhibition of mitosis were reported (Donald et al.
US may show nonspecific thickening and hyperemia of the spermatic cord in the inguinal canal.
The presenting signs were palpebral papillae (87%), limbal hypertrophy (67%), bulbar hyperemia (22%) and perilimbal pigmentation (16%).
sup][25] IC papaverine is cheap and creates maximum hyperemia for approximately 30-60s, but has the disadvantage of inducing arrhythmias in some patients.
Major finding: Rosuvastatin failed to improve pulmonary function overall, but significantly improved peripheral vasodilator function in patients with elevated hsCRP levels at baseline, indicated by a final reactive hyperemia index of 2.
Score 0--normal pouch mucosa with no or mild erythema and hyperemia, no areas of bleeding, ulcerations or abscesses;
Hyperemia of conjunctiva with various degrees of intensity was found in all patients; 52 examinees had chemosis and eye lid skin edema (Photo 3), hypertrophy of conjunctival follicles being found in 25 eyes.
Examination findings include hyperplastic white lesions and hyperemia when Candida is involved.
The mechanism of SIS is probably hyperemia [increased blood in the brain], not occult hematoma.
Anti-inflammatory enzymes helps to subside the signs and symptoms of inflammation like swelling, redness, pain, loss of functions and hyperemia.
Hyperemia was observed in lungs with accentuated capillary thrombosis and focally hemorrhagic infiltration of parenchyma (Figure 2A.
FFR can be measured both at rest and during maximal blood flow or hyperemia which can be induced by injecting intra-coronary and I/V adenosine in an appropriate dose.