Definition of vasoconstriction in English:
vasoconstriction
nounˌveɪzəʊkənˈstrɪkʃ(ə)nˌveɪzoʊkənˈstrɪkʃən
mass nounThe constriction of blood vessels, which increases blood pressure.
Example sentencesExamples
- At low doses, local anesthetics cause systemic vasoconstriction and raise blood pressure.
- The hawthorn plant contains pharmacologically active flavonoids that inhibit vasoconstriction and actively dilate blood vessels.
- The effect is a dramatic increase in blood pressure due to vasoconstriction.
- The vascular effects result in tissue ischemia from vasoconstriction, platelet aggregation, and increased blood viscosity.
- Following a vascular injury, vasoconstriction and retraction usually occur immediately and decrease blood flow to the affected area.
Derivatives
adjectiveˌveɪzəʊkənˈstrɪktɪvˌveɪzoʊkənˈstrɪktɪv
The venom has vasoconstrictive properties that can lead to cyanosis and necrosis, with poor wound healing and infection.
Example sentencesExamples
- In hypoxia also, they initiate vasoconstrictive reflexes which act to maintain the arterial blood pressure.
- Because of its vasoconstrictive properties, sumatriptan should be avoided in patients with known coronary artery disease or Prinzmetal's variant angina.
- Yet in patients with septic shock, vasopressin has strong vasoconstrictive effects, demonstrated in several studies by an increased MAP and systemic vascular resistance.
- Epinephrine's vasoconstrictive properties can be a problem if extravasation into tissue occurs, and may result in skin necrosis.
nounˌveɪzəʊkənˈstrɪktəˌveɪzoʊkənˈstrɪktər
Cocaine is a potent CNS stimulant and vasoconstrictor that can precipitate hypertension, tachycardia, and fatal cardiac arrhythmias.
Example sentencesExamples
- Serotonin is a vasoconstrictor and uses agonists, such as ADP, epinephrine, and norepinephrine, to promote platelet aggregation.
- Inhaled steroids are potent vasoconstrictors and are known to reduce bronchial blood flow in both normal subjects and patients with asthma, and consequently they may lessen airway edema.
- Treatment of basilar migraines should avoid vasoconstrictors, otherwise standard abortive and prophylactic migraine medications are appropriate.
- Vasopressin has been used clinically to treat a variety of disorders, both as an antidiuretic and as a vasoconstrictor.
Definition of vasoconstriction in US English:
vasoconstriction
nounˌvāzōkənˈstrikSHənˌveɪzoʊkənˈstrɪkʃən
The constriction of blood vessels, which increases blood pressure.
Example sentencesExamples
- The effect is a dramatic increase in blood pressure due to vasoconstriction.
- The hawthorn plant contains pharmacologically active flavonoids that inhibit vasoconstriction and actively dilate blood vessels.
- Following a vascular injury, vasoconstriction and retraction usually occur immediately and decrease blood flow to the affected area.
- The vascular effects result in tissue ischemia from vasoconstriction, platelet aggregation, and increased blood viscosity.
- At low doses, local anesthetics cause systemic vasoconstriction and raise blood pressure.