Medical Dictionary

annulus

noun an·nu·lus \ˈan-yə-ləs\
plural an·nu·li \-ˌlī\ also an·nu·lus·es

Medical Definition of ANNULUS

:  a ringlike part, structure, or marking; especially :  any of various ringlike anatomical parts (as the inguinal ring)

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May 24, 2015
erudite Hear it
learned or pedantic
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