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Arterio- is a combining form used like a prefix meaning “artery,” a blood vessel that conveys blood from the heart to any part of the body.

Arterio- is often used in medical terms, especially in anatomy and pathology.

Arterio- comes from the Greek ������ŧ��í��, meaning “artery” and “windpipe.” Windpipe? Yep, discover why at our entry for trachea. The word aorta is related to the Greek ������ŧ��í��.

What are variants of arterio-?

When combined with words or word elements that begin with a vowel, arterio- sometimes becomes arteri-, as in arteriectomy.

You may be familiar with the combining form arterio- from arteriosclerosis, the hardening of the arteries, which contribute to a heart attack, stroke, or heart failure.

Arterio- means “artery.” The word sclerosis comes from the Greek �����ḗrō������, meaning “hardening.” Putting it back together, arteriosclerosis literally translates to “hardening of the arteries.”

Learn more about sclerosis in our �y��vlogs That Use sclero- article.

What are some words that use the combining form arterio-?

• arterioatony
• arteriocapillary
• arteriogram
• arteriolith
• arteriotomy
• arteriotony

What are some other forms that arterio- may be commonly confused with?

• archi-
• arthro-

The combining form -lith means “stone,” and can refer to harmful deposits or concretions in the body.

Based on the meaning of arterio-, where in the body would you find an arteriolith?����