biceps has definitions from the fields of anatomy,zoology
1
[ noun ] (anatomy,zoology) any skeletal muscle having two origins (but especially the muscle that flexes the forearm)

Used in print

(J. W. C. Hagstrom et al., "Debilitating muscular...)

These changes were most marked in the gastrocnemius and biceps and less evident in the pectoralis , diaphragm , and transversus .

In the gastrocnemius and biceps there were many swollen and homogeneous necrotic fibers such_as that shown in Figure 2 .

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