It comprises the solid bone surrounding spongy bone, just like the epiphysis. Short bones get their name from the fact that they are about as wide as they are long. The proximal (closer to the body) epiphysis of the humerus and the proximal epiphysis of the femur are the rounded heads that resemble half of a ball. An epiphysis can be seen at either end of a long bone.Īt a junction known as a joint, each epiphysis gets formed to fit its connecting bone, and the function of the joint affects the epiphysis’ shape. Fat, commonly known as adipose tissue, makes up the yellow bone marrow. Throughout a long bone’s life, yellow bone marrow fills the diaphysis in the centre. The diaphysis wall is made of dense, strong bone that is compact. The medullary cavity, a hollow space at the centre of the diaphysis, is a tubular structure (or marrow cavity). The main body of the long bone is called the diaphysis. All long bones comprise two primary components: the diaphysis and the epiphysis. Our long bones offer the leverage to move our bodies and impact our surroundings. Clavicles are also considered long bones (collar bones). The long bones of the leg include the femur, tibia, fibula, metatarsals, and phalanges. The long bones of the arm include the humerus, radius, ulna, metacarpals, and phalanges. Long bones earn their name because they are longer than they are wide. Most arm and leg skeletons contain long bones. This article discusses the four types of bones in detail. Each kind of bone performs a particular job, and some bones serve many purposes. The 206 bones that make up the skeleton are divided into four categories: long, short, flat, and irregular. It assists in creating our shape and acts as the support system for other components. The skeleton serves as the body’s structure. Our bones contain the majority of the calcium in our bodies. The skeleton shapes and supports the body while protecting vital internal organs such as the heart, lungs, and brain. We are talking about the musculoskeletal system. Bones work together with muscles and joints to hold our bodies together and facilitate movement. The majority of bones include bone marrow, which produces blood cells. Bones comprise specialised bone cells and connective tissue that has been calcium-fortified. These include the spine’s vertebrae, ribs, arms, and legs. A human adult’s skeleton contains 206 bones.
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