Musculus Abductor Pollicis (Noun)
Meaning
The abductor muscle of the thumb.
Classification
Nouns denoting body parts.
Examples
- The musculus abductor pollicis longus is a muscle of the thumb that helps to move it away from the other fingers.
- Abductor pollicis longus is a forearm muscle that originates from the ulna and interosseous membrane and inserts into the base of the first metacarpal bone.
- Musculus abductor pollicis brevis is a thenar muscle in the hand, and plays a big role in thumb movement, thus enabling opposition.
- The primary action of musculus abductor pollicis longus is the abduction of the thumb from the palmar surface of the hand.
- Injury to the musculus abductor pollicis longus can cause loss of thumb movement and make grasping objects more difficult.