Extensor meaning

ĭk-stĕn'sər
(anatomy) A muscle whose contraction extends or straightens a limb or body part.
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A muscle that extends or straightens a limb or body part.
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A muscle that extends or straightens some part of the body, esp. a flexed arm or leg.
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A muscle that extends or straightens a limb or body part.
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A muscle that extends or straightens a limb or joint.
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Origin of extensor

  • New Latin extēnsor from Latin extēnsus past participle of extendere to stretch out extend
    From American Heritage Dictionary of the English Language, 5th Edition

Extensor Sentence Examples

  • This runs down the anterior and outer side of the upper arm, and is attached to the proximal tendon of the extensor metacarpi radialis longus, a little below the outer condyle of the humerus.

  • If the sensory nerves of the extensor muscle be severed, the "jerk" is lost.

  • The motor cells of the extensor muscles, when preoccupied by cerebral influence, appear refractory.

  • 2), that of the anterior extensor of the phalanges (corresponding to the extensor communis digitorum of the arm and extensor longus digitorum of the foot of man) passes down over the metacarpal bone and phalanges, to be inserted mainly into the upper edge of the anterior surface of the last phalanx or pedal bone.

  • In the fore-leg the tendon of this muscle (which corresponds with the extensor minimi digiti of man) receives a slip from that of the principal extensor, and is inserted into the first phalanx.

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Words near extensor in the Dictionary