circulus

[ sur-kyuh-luh s ]
/ ˈsɜr kyə ləs /

noun, plural cir·cu·li [-lahy] /-ˌlaɪ/.

any of the concentric circles on each scale of a fish, each of which indicates the annual growth of that scale.

Origin of circulus

< Latin: circle

Words nearby circulus

circulating medium, circulation, circulator, circulatory, circulatory system, circulus, circum-, circum., circumambient, circumambulate, circumanal gland

Medical definitions for circuli

circulus
[ sûr′kyə-ləs ]

n. pl. cir•cu•li (-lī′)

A ringlike or circular structure.
A circle formed by connecting arteries, veins, or nerves.