Origin of aponeurosis
New Latin, from Greek aponeurōsis, from aponeurousthai to pass into a tendon, from apo- + neuron sinew — more at nerve
First Known Use: 1676
Medical Definition of aponeurosis
plural apo·neu·ro·ses \-ˌsēz\play
: any of the broad flat sheets of dense fibrous collagenous connective tissue that cover, invest, and form the terminations and attachments of various muscles
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