Arteriole
noun
A small artery that carries blood from larger arteries to tiny vessels in the body.
Arterioles play a key role in regulating blood pressure by narrowing or widening.
Often appears as...
- arteriole constriction
- arteriole dilation
Usage tips
Technical
noun
A small artery that carries blood from larger arteries to tiny vessels in the body.
Arterioles play a key role in regulating blood pressure by narrowing or widening.
Often appears as...
- arteriole constriction
- arteriole dilation
Usage tips
Technical
Definition 1 of 1
Pro Tip 1/3Vessel Size
An arteriole is smaller than an artery but larger than a capillary; size is key.
The blood moved from the artery, through the arteriole, and into the capillaries.
Pro Tip 2/3Blood Flow Control
Arterioles help regulate the flow and distribution of blood to different body areas.
When exercising, arterioles in muscles dilate to increase blood flow.
Pro Tip 3/3Blood Pressure
By changing diameter, arterioles play a critical role in controlling blood pressure.
High arteriole resistance can contribute to hypertension.
Pro Tip 1/3Vessel Size
An arteriole is smaller than an artery but larger than a capillary; size is key.
The blood moved from the artery, through the arteriole, and into the capillaries.
Pro Tip 2/3Blood Flow Control
Arterioles help regulate the flow and distribution of blood to different body areas.
When exercising, arterioles in muscles dilate to increase blood flow.
Pro Tip 3/3Blood Pressure
By changing diameter, arterioles play a critical role in controlling blood pressure.
High arteriole resistance can contribute to hypertension.
Pro Tip 1/3Vessel Size
An arteriole is smaller than an artery but larger than a capillary; size is key.
The blood moved from the artery, through the arteriole, and into the capillaries.
Pro Tip 2/3Blood Flow Control
Arterioles help regulate the flow and distribution of blood to different body areas.
When exercising, arterioles in muscles dilate to increase blood flow.
Pro Tip 3/3Blood Pressure
By changing diameter, arterioles play a critical role in controlling blood pressure.
High arteriole resistance can contribute to hypertension.
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