1 definition by D4dd

Made up body part found in some Pharmacology books. Often associated with "Tennis Elbow".
"Usu" has not been found in any other text book as a real connective tissue.
"Tennis Elbow affects the lateral epicondyle of the humerus and the usu."
"I have never heard of an usu muscle or bone."
by D4dd November 15, 2017
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