Medical Dictionary


noun \ˈlüp\

Medical Definition of LOOP

:  a curving or doubling of a line so as to form a closed or partly open curve within itself through which another line can be passed
a :  something (as an anatomical part) shaped like a loop—see loop of henle; lippes loop b :  a surgical electrode in the form of a loop
:  a fingerprint in which some of the papillary ridges make a single backward turn without any twist
:  a wire usually of platinum bent at one end into a small loop (usually four millimeters in inside diameter) and used in transferring microorganisms

Illustration of LOOP

How to use a word that (literally) drives some people nuts.
Test your vocab with our fun, fast game
Ailurophobia, and 9 other unusual fears