Base of phalanx of hand
Basis phalangis manus
- Synonym: Phalangeal base
- Related terms: Base of phalanx
Definition
Proximal extremities of phalanges :
The proximal extremities of the bones of the first row present oval, concave articular surfaces, broader from side to side than from before backward.
The proximal extremity of each of the bones of the second and third rows presents a double concavity separated by a median ridge.