arteriole

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Definitions from WordNet

Noun arteriole has 1 sense

arteriole, arteriola, capillary artery - one of the small thin-walled arteries that end in capillaries
--₁ is a kind of artery, arteria, arterial blood vessel

Definitions from the Web

Arteriole

Definition:

An arteriole is a small branch of an artery that helps regulate the blood flow from the arteries to the capillaries.

Senses/Usages:

1. Anatomy: Arterioles are important for controlling blood pressure and blood distribution to various organs and tissues in the body.
2. Medicine: They play a crucial role in the microcirculation of blood within tissues.

Sample Sentences:

The arterioles in the kidneys help in regulating the filtration of blood and maintaining homeostasis.
When the body is in need of more oxygen, arterioles in the lungs dilate to allow increased blood flow.
In hypertension, the narrowing of arterioles can lead to an increased workload on the heart.

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