thenar eminence

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the·nar em·i·nence

[TA]
the fleshy mass on the lateral side of the palm; the radial palm; the ball of the thumb.

thenar eminence

Etymology: Gk, thenar, palm of the hand; L, eminentia, projection
a raised fleshy area on the palm of the hand near the base of the thumb.
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Thenar eminence

the·nar em·i·nence

(thē'nahr em'i-nĕns) [TA]
The fleshy mass on the lateral side of the palm; the radial palm; the ball of the thumb.
Synonym(s): thenar (1) .

thenar eminence

The fleshy, muscular mass on the palm at the base of the thumb.