An adult has 206 bones while an infant has from 300 to 350.
Sesamoid bones in the feet, hands, wrists, ankles, etc.
adult
Tibia APEX
It depends a lot on the bone structure of the person
Diaphysis
Sesamoid bones, ribs, and vertebrae numbers can vary from person to person.
The hyoid bone is the only bone in the adult body that doesn't articulate with another bone.
Bone marrow contains two types of stem cells: hemopoietic (which can produce blood cells) and stromal (which can produce fat, cartilage and bone). But the number of cells depend on which bone it is. The total number of cells in our body cannot be counted accurately However the total number of cell in an average human being is about 10^13 to 10^14
The femur ("thigh bone").
stapes bone in the middle ear
As people age, their bone marrow naturally becomes more and more fatty. By the time a person is 50 years old, half of their bone marrow should be fatty.
the process used in harvesting adult stem cells