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The human skeleton has a number of functions, such as protection and supporting weight. Different types of bones have differing shapes related to their particular function. So, what are the different types of bones? How are they categorized? There are five types of bones in the skeleton: flat, long, short, irregular, and sesamoid.


The structure of a long bone allows for the best visualization of all of the parts of a bone (Figure 6.7). A long bone has two parts: the diaphysis and the epiphysis. The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone.


Classification of Bones Long Bones. The bones of the body come in a variety of sizes and shapes. The four principal types of bones are long, short, flat and irregular. Bones that are longer than they are wide are called long bones. They consist of a long shaft with two bulky ends or extremities.


Figure 1. Classifications of Bones. Bones are classified according to their shape. Long Bones. A long bone is one that is cylindrical in shape, being longer than it is wide. Keep in mind, however, that the term describes the shape of a bone, not its size.


The long bones are those that are longer than they are wide. They are one of five types of bones: long, short, flat, irregular and sesamoid.Long bones, especially the femur and tibia, are subjected to most of the load during daily activities and they are crucial for skeletal mobility.They grow primarily by elongation of the diaphysis, with an epiphysis at each end of the growing bone.


Long bones, short bones, flat bones and irregular bones. Not every single bone in the body fits perfectly into one of these classifications, as some bones may have characteristics of 2 or more of ...


The classification of a long bone includes having a body which is longer than it is wide, with growth plates (epiphysis) at either end, having a hard outer surface of a compact bone and a spongy inner known a cancellous bone containing bone marrow. Both ends of the bone are covered in hyaline cartilage to help protect the bone and aid shock ...


Racial classifications are groups of physical characteristics. The 3 most common racial classifications, going by bone structures, are Caucasoid, African, and Asiatic.

droualb.faculty.mjc.edu/Course Materials/Elementary Anatomy and Physiology 50/Lecture...

The middle long shaft of a long bone is the diaphysis. Either end of the long bone where it articulates with another bone it is expanded and the ends are called epiphyses (sing. epiphysis). Except where the bone has a moveable articulation with another bone the bone is covered by a sheath of dense connective tissue called the periosteum.


A long bone has a shaft plus two ends which are often expanded. All limb bones except the patella (kneecap) and the wrist and ankle bones are long bones. Notice that these bones are named for their elongated shape, not their overall size. The three bones in each of your fingers are long bones, even though they are small.