Distal phalanx of big toe at a glance
- What it is
- The end bone of the big toe (hallux), broad and stout.
- Location
- Articulates with the proximal phalanx at the interphalangeal joint and supports the big toenail.
- Function
- Supports the tip of the big toe; flexor hallucis longus inserts on its base.
- Body system
- Skeletal · paired (left and right)
- FMA ID
- FMA32651 (Foundational Model of Anatomy)
Key facts
- It is much larger than the distal phalanges of the other toes.
- Extensor hallucis longus inserts on the dorsal side of its base.
- Its plantar skin is supplied by the medial plantar nerve and the skin of the first web space dorsally by the deep fibular nerve.
Structures next to the distal phalanx of big toe
The nearest named structures in the 3D model, measured from the centre of each part:
- Middle phalanx of second toe · skeletal
- Proximal phalanx of big toe · skeletal
- Distal phalanx of second toe · skeletal
- Proximal phalanx of second toe · skeletal
- Middle phalanx of third toe · skeletal
- Distal phalanx of third toe · skeletal
- Proximal phalanx of third toe · skeletal
- Sesamoid bone of foot · skeletal
- Distal phalanx of fourth toe · skeletal
- Middle phalanx of fourth toe · skeletal
References
- Foundational Model of Anatomy: Distal phalanx of big toe (FMA32651). EMBL-EBI Ontology Lookup Service.
- OpenStax. Anatomy and Physiology 2e, §7.1 Divisions of the Skeletal System. 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.