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Anatomy of a Long Bone. 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. The hollow region in the diaphysis is called the medullary cavity, which is filled with yellow marrow. The walls of the diaphysis are composed of dense and hard ...
- Bone Shape Classifications
Human Anatomy Laboratory Manual ... 7.4: Bone Shape...
- Bone Markings
A long shallow depression on the bone surface that usually...
- Bone Shape Classifications
Types of bones l Long bones – typically longer than they are wide (such as humerus, radius, tibia, femur), they comprise a diaphysis (shaft) and epiphyses at the distal and proximal ends, joining at the metaphysis. In growing bone, this is the site where growth occurs and is known as the epiphyseal growth plate. Most long bones are
The long bones have a long, central shaft that enlarges at the ends into epiphysis. The long bones in the legs are the femur, tibia, and fibula. The long bones of the arms are the radius and ulna. Both the feet and hands have long bones in the digits – the phalanges.
List the major parts of a long bone. Describe the function of the medullary cavity. Where is articular cartilage found, and how is it nourished? Why are bone injuries usually painful? Learning Outcome: Identify the parts of a typical long bone, and describe its internal structures. Describe the functions of osteogenic cells and osteoblasts.
Anatomy of the Long Bone: Periosteum A fibrous, cellular, vascular and highly sensitive life support sheath covering the length of the bone (not ends). Allows for ligaments and tendons to attach to the bone. Diaphysis The shaft or central part of a long bone. Medullary Cavity
The Anatomy of a Long Bone-A long bone consists of several sections: Diaphysis - the long central shaft of the bone. Epiphysis - the ends of the long bone. Metaphysis - this is the area between the diaphysis and epiphysis and contains either the epiphyseal plate or the epiphyseal line. It is the site of length-wise growth of long bones.
Spongy Bone: Inner spikes of bone, found in thej heads of long bones and throughout flat and irregular-shaped bones. Lighten the bone. Gaps are filled with bone marrow, cells that make blood cells. Epiphyses: ends of the bones, both proximal and distal; covered with articular cartilage.
