vasodilatation
Blood vessels relaxing
Vasodilatation is the widening of blood vessels, which increases blood flow and lowers blood pressure.
The process occurs naturally during exercise or in response to heat, and can be induced medically to treat conditions like hypertension or angina.
Also spelled vasodilation, which is more common in American usage.
Tubes carrying oxygenated blood
- capillariesTiniest blood vessels
- veinsBlood-return tubes
- circulationMovement through a system
- hypertensionChronic elevated arterial pressure
coronary · perfusion · oxygenation · ischemia · hyperemia · atherosclerosis · heart · pulse
Cells lining blood vessels
- vasomotorVessel diameter regulation
- baroreceptorsNeurons sensing vascular pressure
- autonomicSelf-regulating without awareness
- sympatheticFeeling others' emotions
parasympathetic · histamine · prostaglandins · adenosine · thermoregulation · erythema · flushing
Chronic elevated arterial pressure
- hypotensionAbnormally reduced arterial pressure
- shockViolent sudden disturbance
- anginaIschemic chest discomfort
- migraineSevere neurological head pain
preeclampsia · sepsis · anaphylaxis · edema · syncope · treatment · diagnosis · symptoms
Nitrogen-oxygen salt compounds
- antihypertensivesMedications reducing blood pressure
- nitroglycerinExplosive compound, cardiac drug
- hydralazineArterial relaxant for hypertension
- minoxidilVasodilator for follicles
arteries
Tubes carrying oxygenated blood
- capillariesTiniest blood vessels
- veinsBlood-return tubes
- circulationMovement through a system
hypertension · coronary · perfusion · oxygenation · ischemia · hyperemia · atherosclerosis · heart · pulse · microcirculation
endothelium
Cells lining blood vessels
- vasomotorVessel diameter regulation
- baroreceptorsNeurons sensing vascular pressure
- autonomicSelf-regulating without awareness
sympathetic · parasympathetic · histamine · prostaglandins · adenosine · thermoregulation · erythema · flushing
hypertension
Chronic elevated arterial pressure
- hypotensionAbnormally reduced arterial pressure
- shockViolent sudden disturbance
- anginaIschemic chest discomfort
migraine · preeclampsia · sepsis · anaphylaxis · edema · syncope · treatment · diagnosis · symptoms · complications
nitrates
Nitrogen-oxygen salt compounds
- antihypertensivesMedications reducing blood pressure
- nitroglycerinExplosive compound, cardiac drug
- hydralazineArterial relaxant for hypertension
minoxidil · pharmacology · therapeutic · contraindications · amlodipine
dilate, dilated, dilatory, dilation, dilates, dilator, vasodilator, vasodilation, vasodilators