Types of Bones

long bones

Are the longest bones in the body and includes some of the smallest bones such as the phalanges. Examples: femur, humerus, tibia, metacarpals, metatarsals, and phalanges. Classification: includes having body that is longer than it is wide. Hyaline cartilage help protect the long bones and help aid shock absorption. This cartilage is placed at both ends of the bone.

irregular bones

Bones that are in the body that does not fall into any other category. Examples: vertebrae, sacrum, and mandible Classification: primarily consists on cancellous bone, with a layer of compact bone.

flat bones

Flat bones are strong flat plates of bone that provides the main function of protecting the main organs, and being a base for muscular attachment. Examples- scapula, sternum, cranium, Ilium, pelvis, and Ribs. Classification- anterior and posterior surfaces are formed to provide strength protection for the cancellous bone (spongy). In adults the highest number of red blood cells are formed in flat bones.

sesamoid bones

Sesamoid bones are usually short and irregular bones embedded in the tendon. Examples: patella, pisiform (smallest of the carpals) , and the two small bones at the base of the 1st Metatarsal. Classification: usually present in a tendon where it passes over a joint. Which provides protection for the tendon.

short bones

Short bones have a primary function of providing support and stability with little movement. Examples: carpals and tarsals Classification: defined as being wide and long, and consist of a thin layer of compact. Short bones also include large amounts of bone marrow.