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Transverse head of adductor pollicis
Other Terms: Caput transversum (Musculus adductor pollicis), Caput transversum musculus adductoris pollicis
Oblique head; Transverse head
Musculus adductor pollicis
Latin muscle parts
Caput obliquum; Caput transversum
Hand muscle – thenar group
In English, this muscle’s name is the muscle that leads the thumb toward (the palm). Adductor is a term that describes the function or action of the muscle. It literally means to draw or to lead toward and is derived from the Latin ad meaning “toward” and ducere meaning “to lead or to draw.”The Latin pollex meaning “thumb” arises from the Latin polleo meaning “to be strong,” as the thumb was the strongest of the fingers.
Transverse head – palmar, distal half of the shaft of the 3rd metacarpal bone.Oblique head – capitate bone and the base of the 2nd and 3rd metacarpal bones.
Ulnar side of the base of the proximal phalanx of the thumb (the tendon contains a sesamoid bone).
Adduction of the thumb.
Ulnar nerve (C8 and T1)
Branches from the deep palmar arch; muscular branches of the radial artery - the princeps pollicis and radialis indicis arteries.
Caput transversum musculus adductoris pollicis