thenar

American  

[thee-nahr] / ˈθi nɑr /

noun

Anatomy.

1. the fleshy mass of the outer side of the palm of the hand.

2. the fleshy prominence or ball of muscle at the base of the thumb.

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adjective

1. of or relating to the thenar.

thenar British  

/ ˈθiːnɑː /

noun

1. the palm of the hand

2. the fleshy area of the palm at the base of the thumb

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adjective

1. of or relating to the palm or the region at the base of the thumb

Etymology

Origin of thenar

1665–75; < New Latin < Greek thénar palm of hand or sole of foot

Example Sentences

The thenar muscles are on the radial aspect of the palm.

From Textbooks • Jun. 19, 2013

The thenar muscles include the abductor pollicis brevis, opponens pollicis, flexor pollicis brevis, and the adductor pollicis.

From Textbooks • Jun. 19, 2013

These muscles form the thenar eminence, the rounded contour of the base of the thumb, and all act on the thumb.

From Textbooks • Jun. 19, 2013

The thenar muscles, which are located on the lateral part of the palm, are the abductor pollicis brevis, opponens pollicis, flexor pollicis brevis, and adductor pollicis.

From Textbooks • Jun. 19, 2013

The metacarpal is adducted, its head forming a marked prominence on the front of the thenar eminence, and the phalanges are displaced backwards, the proximal being dorsiflexed and the distal flexed towards the palm.

From Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. by Miles, Alexander