skull

trunk bone

limb bones

long bone

short bone

Irregular bones

flat bone

membranous bone

chondrified bone

composite bone

Sesamoid Bones The largest sesamoid bone in the human body is the patella.

Cancellous bone

bone mineral density

endosteum

Epiosseous membrane

Distributed in various medullary cavities and various spongy bones

type

Summary There are 23 skull bones, mainly flat bones and irregular bones. They are bounded by the line connecting the upper edge of the orbit, the upper edge of the external auditory door and the external occipital protuberance. The upper part is called the brain skull, and the lower part is called the facial skull.

8 pieces of brain

Facial skull 15 pieces

26 vertebrae

24 pieces of ribs

1 piece of sternum

64 upper limb bones

62 lower limb bones