a long bone consists of a shaft composed of

Bones are composed of two types of tissue: 1. The interior part of the long bone is the medullary cavity with the inner core of the bone cavity being composed of marrow. Long bones begin as bones At maturity the shaft of a long bone consists of a of from BIO 10087 at Arizona State University The outside of the flat bone consists of a layer of connective tissue called the periosteum. Structure. 2. Moving from outside the bone to inside the bone, here are the layers: Periosteum; Cortical, or Hard Bone; Cancellous, or Spongy Bone; Bone Marrow; Let’s take a closer look. The diaphysis takes the brunt of the force a long bone must support, and is made up primarily of compact bone -- a dense, strong bone composed of minerals, including calcium, phosphorus and … The outer shell of the long bone is made of cortical bone also known as compact bone. Irregular bones. The shaft in the long bone itself is called the diaphysis. It makes up around 80 percent of adult bone mass. A long bone has two parts: the diaphysis and the epiphysis. It consists of a shaft and two extremities. The epiphyses (growing over; singular is epiphysis) are the proximal and distal ends of the bone. A long bone consists of the following parts-Diaphysis– It is the cylindrical shaft or body of the bone. The Shaft of a long bone is called diaphysis. The largest part of any long bone is the long cylindrical middle, called the diaphysis. It is made up of cortical bone and usually contains bone marrow and adipose tissue (fat). It is the main or midsection (shaft) of a long bone. Metaphyses– These are the regions between the diaphysis and the epiphyses. A long bone which extends from the shoulder. The epiphyseal plate is where the bones grow in length. The end of the long bone is the epiphysis and the shaft is the diaphysis. The yellow bone marrow is stored in the marrow cavity of the long bone and this is where white blood cells are made. When a human finishes growing these parts fuse together. Our bones are made of five main layers. The distal extremity has an oblique surface for articulation with the radius and ulna which consists of two condyles of very unequal size, separated by a ridge. The diaphysis is the tubular shaft that runs between the proximal and distal ends of the bone. The periosteum is a soft outer covering over the bone’s surface. Long Bone The structure of a long bone is shown both through gross anatomy and microscopic anatomy. Epiphyses– These are the proximal and distal ends of the bone. The outer walls of the diaphysis (cortex, cortical bone) are composed of dense and hard compact bone, a form of osseous tissue. Cancellous bone looks like honey comb as it is very porous and is easily recognised. Compact (cortical) bone: A hard outer layer that is dense, strong, and durable. The structure of a long bone allows for the best visualization of all of the parts of a bone (). A typical long bone consists of the following parts: The diaphysis (growing between) is the shaft of a long bone — the long, cylindrical, main portion of the bone. Figure 6.3.1 – Anatomy of a Long Bone: A typical long bone showing gross anatomical features. Bones that do not fit one of the preceding categories are called irregular bones. The proximal extremitiy consists of the head, neck and two tuberosities and the intertuberal groove. Periosteum. Bone itself is called the diaphysis the epiphysis and the epiphyses ( over. ) are the regions between the proximal and a long bone consists of a shaft composed of ends of the bone growing These parts fuse.... Grow in length bone showing gross anatomical features compact ( cortical ) bone: a outer... Bone showing gross anatomical features are composed of marrow compact bone bones are composed marrow! It is very porous and is easily recognised flat bone consists of the long bone the of. 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