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Navicular bone

from Latin: navicula - small ship
German: Os naviculare

1 Definition

The navicular bone is a small bone of the foot bones which takes part in the formation of the foot arch and the lower ankle joint.

2 Anatomy

The navicular bone is a small bone only few centimeters in diameter, which shows different joint areas covered by cartilage. Its distal side articulates with the three cuneiform bones and the cubooid bone, its proximal side articulates with the head of the talus.

3 Development

The center of ossification of the navicular bone develops between the 18th and the 24th month of life in girls, and between the 2nd and the 3rd year of life in boys.

4 Function

The navicular bone forms the anterior joint chamber of the lower ankle joint together with the anterior joint area of the calcaneus. By its almost v-shaped form, it also contributes to the structure of the foot arch.

5 Comment

Not least for the German word Kahnbein (barge bone), the navicular bone is often equated with the scaphoid bone in German clinical language. Here, however, you need to discern between the two bones according to the Nomina Anatomica Parisiensia.

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Specialties: Anatomy

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