Long
Cylinder-like shape, longer than it is wide
Example:
Femur, tibia, fibula, metatarsals, humerus, ulna, radius, metacarpals, phalanges
Short
Cube-like shape, approximately equal in length, width, and thickness
Example:
Carpals, tarsals
Flat
Thin and curved
Example:
Sternum, ribs, scapulae, cranial bones
Irregular
Complex shape
Example:
Vertebrae, facial bones
Sesamoid
Small and round; embedded in tendons
Example:
Patellae