Transverse head of adductor pollicis at a glance
- What it is
- The transverse head of adductor pollicis in the palm.
- Location
- Originates from the palmar surface of the shaft of the third metacarpal and inserts onto the medial base of the proximal phalanx of the thumb.
- Function
- Adducts the thumb toward the palm, important for pinch and grip.
- Body system
- Muscular · paired (left and right)
- FMA ID
- FMA46123 (Foundational Model of Anatomy)
Key facts
- Innervation: deep branch of the ulnar nerve (C8–T1)
- Blood supply: deep palmar arch
Structures next to the transverse head of adductor pollicis
The nearest named structures in the 3D model, measured from the centre of each part:
- Second metacarpal bone · skeletal
- Dorsal interossei of hand · muscular
- Extensor indicis · muscular
- Oblique head of adductor pollicis · muscular
- Palmar metacarpal artery · cardiovascular
- Third metacarpal bone · skeletal
- Flexor pollicis brevis · muscular
- Dorsal venous network of hand · cardiovascular
- First metacarpal bone · skeletal
- Superficial head of flexor pollicis brevis · muscular
References
- Foundational Model of Anatomy: Transverse head of adductor pollicis (FMA46123). EMBL-EBI Ontology Lookup Service.
- OpenStax. Anatomy and Physiology 2e, §11.2 Naming Skeletal Muscles. Rice University, 2022.
- Mitsuhashi N. et al. (2009). BodyParts3D: 3D structure database for anatomical concepts. Nucleic Acids Research 37, D782–D785. Data © The Database Center for Life Science, CC BY 4.0.
Related anatomy
Explore the whole body in the interactive 3D human anatomy model, or browse the A–Z list of human structures.