Question

multiple choice question
what root means vessel?
o lun-
o ather-
o scler-
o angio-

Explanation:

In medical - etymology, the root "angio -" refers to a vessel. For example, in "angiography", it involves imaging of blood vessels. The other roots have different meanings: "lun -" is related to the moon, "ather -" is related to fatty substances in the context of atherosclerosis, and "scler -" means hardening.

Answer:

angio-