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n. A muscle that extends or straightens a limb or body part.

n. A muscle whose contraction extends or straightens a limb or body part.

n. A muscle which serves to extend or straighten any part of the body, as an arm or a finger; -- opposed to flexor.

n. In anatomy, a muscle which serves to extend or straighten any part of the body, as an arm or a finger: opposed to flexor. See cut under muscle.

n. a skeletal muscle whose contraction extends or stretches a body part

"A projecting structure termed the extensor process (or extensor attachment) is present between the carpal trochlea and the alular digit; it belongs to metacarpal I (also called the alular metacarpal), but this is hard to appreciate in modern birds because metacarpal I is fused imperceptibly into the carpometacarpus as mentioned above [in the adjacent diagram, from"

flexor   

striated muscle    skeletal muscle   

extensor communis digitorum    extensor coccygis    extensor carpi ulnaris    extensor minimi digiti    extensor carpi radialis brevior    extensor proprius pollicis    extensor primi internodii pollicis    extensor indicis    extensor brevis digitorum    extensor carpi radialis longior   

quad    quadriceps    quadriceps femoris    musculus quadriceps femoris   

flexor    epicondyle    corded    dorsalis    disarticulation    ungue    Tinea    patellar    hypoplasia    deltoid