Relating to the rounded fleshy part of the hand at the base of the thumb (the ball of the thumb).
- The nerve also supplies a branch to the muscles of the thumb, the thenar muscles.
- Shaking the patient's hand at the end of the consultation, the doctor noticed a raised lesion on the thenar eminence of his right hand.
- Wasting of the thenar muscle occurs in under 10% of cases.
Mid 17th century: from Greek, literally 'palm of the hand, sole of the foot'.
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