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Distal Phalanx of Second Toe
Skeletal System

Distal Phalanx of Second Toe

Phalanx distalis digiti secundi pedis

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Quick Facts

Location: Foot.

Bone Type: Long bone.

Key Features: Head, body, base, tuberosity, and articular facet.

Articulates With: Middle phalanx of second toe.

Arterial Supply: Proper plantar digital arteries.

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Related parts of the anatomy

Key Features & Anatomical Relations

The distal phalanx of second toe is one of the fourteen phalangeal bones of the foot. It is classified as a long bone and includes the following bony features:

- parts: head, body, and base;

- landmarks: tuberosity and articular facet.

More information regarding these bony features can be found in the Parts and Landmarks tabs for this bone.

The distal phalanx is located distal to the middle phalanx and articulates with it at the distal interphalangeal joint.

Ossification

Ossification of the distal phalanx occurs at two ossification centers, these are found in the:

- body, which appears in utero during the third month;

- base, which appears within the second to eighth years.

These ossification centers fuse with each other by the 18th year (Standring, 2016).

Surface Anatomy

With regard to surface anatomy, the head, body, and base of the distal phalanx can be easily palpated.

List of Clinical Correlates

- Fracture

- Brachyphalangia

- Symphalangia

References

Standring, S. (2016) Gray's Anatomy: The Anatomical Basis of Clinical Practice. Gray's Anatomy Series 41st edn.: Elsevier Limited.

Learn more about this topic from other Elsevier products

Distal Phalanx

ScienceDirect image

The distal phalanx of the index finger, distal end of the radius, and olecranon process of the ulna are the important sites for testing vibration in the upper extremity.

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