The proximal interphalangeal joint (PIPJ) is a bicondylar, synovial, hinge joint. It is stabilized by the volar plate, collateral ligaments, and joint capsule. This article details the anatomy of the PIPJ.
The anatomy of the nose is centred on the notion that it can be broken down into 3 sections. The upper bony vault, the middle and lower cartilaginous vaults. These areas are supplied by branches of the facial artery and trigeminal nerve.