Lateral view

Dorsopalmar(plantar) view

Dorsoproximal-palmar(plantar)odistal oblique view

Palmar(plantar)oproximal-palmar(plantar)odistal oblique view

Navicular

A - Middle phalanx

B - Distal phalanx

C - Navicular bone

1 - Flexor cortex

2 - Proximal border

3 - Articular surface

4 - Distal border

5 - Ridge to which impar ligament attaches

6 - Proximal interphalangeal joint

7 - Distal interphalangeal joint

    a - Palmar aspect

    b - Dorsal aspect

8 - Palmar aspect of middle phalanx

9 - Nutrient foramina

10 - Sagittal ridge

11 - Articulation between navicular bone and middle phalanx