Thenar eminence

Thenar eminence
The mucous sheaths of the tendons on the anterior surface of the wrist and digits
Transverse section across the wrist and digits (muscles of thumb labeled at upper left)
Details
ArterySuperficial palmar arch
NerveMedian nerve
ActionsControl movement of the thumb
Identifiers
Latineminentia thenaris
TA98A01.2.07.023
TA2306
FMA61520
Anatomical terms of muscle

The thenar eminence is the mound formed at the base of the thumb on the palm of the hand by the intrinsic group of muscles of the thumb. The skin overlying this region is the area stimulated when trying to elicit a palmomental reflex. The word thenar comes from Ancient Greek θέναρ (thenar) 'palm of the hand'.

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