Middle phalanx of third toe at a glance
- What it is
- The middle phalanx of the third toe (third digit of the foot).
- Location
- Lies between the proximal and distal phalanges at the proximal and distal interphalangeal joints.
- Function
- Allows toe flexion; flexor digitorum brevis inserts on its sides.
- Body system
- Skeletal · paired (left and right)
- FMA ID
- FMA32645 (Foundational Model of Anatomy)
Key facts
- The middle slip of the extensor expansion inserts on its dorsal base, opposing flexor digitorum brevis.
- Its plantar skin is supplied by the medial plantar nerve, which serves the medial three and a half toes.
Structures next to the middle phalanx of third toe
The nearest named structures in the 3D model, measured from the centre of each part:
- Distal phalanx of third toe · skeletal
- Distal phalanx of fourth toe · skeletal
- Middle phalanx of second toe · skeletal
- Middle phalanx of fourth toe · skeletal
- Proximal phalanx of third toe · skeletal
- Distal phalanx of second toe · skeletal
- Proximal phalanx of second toe · skeletal
- Proximal phalanx of fourth toe · skeletal
- Distal phalanx of little toe · skeletal
- Distal phalanx of big toe · skeletal
References
- Foundational Model of Anatomy: Middle phalanx of third toe (FMA32645). 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.