Musculoskeletal

1. Superficial Branches of the Radial Nerve

Circled: Compartment 1 - Abductor Pollicis Longus and Extensor Pollicis Brevis

1. Radius
2. Scaphoid

1. Hyaline Cartilage of the Scaphoid
2. Normal Amount of Synovial Fluid

1. Radius
2. Scaphoid
3. Synovial Fold of the 1st Carpal Row (sits on top of the articular hyaline cartilage)

Red circle: vein

Blue circle: arteries

1. Radius
2. Lunate
3. Capitate
4. Extensor Tendon