Development Of a Long Bone

Named for their dour shape and not their size, the unyielding clappers argon longer than they are wide. A long dress up consists of a shaft plus two ends. Gener totallyy speaking, all long bones have the same general structure. grand bones form by endochondral ossification. The process undertakes in the game month of embryotic phylogeny and uses hyaloid gristle that has already form as models for bone construction. According to Al-Arabi, Cherif, Jedlicka and Aron (2006) large bone development begins in the center of the hyalline gristle shaft at a region called the primary ossification center. First, the perichondrium coering the hyaloid cartilage is infiltrated with rakehell vessels and converts it to a vascularized periosteum. As a result, the underlying cells specialize into osteoblasts. at once ossification can begin. During ossification of a long bone, a bone collar forms around a hyaline cartilage model. The cartilage matrix begins to deteriorate and internal cavities begin to set upon by the periosteal bud and spongy bone forms. Next, the medullary dental caries forms as ossification continues. Lastly, ossification of the epiphyses occurs. When complete, hyaline cartilage remails only in the epiphysial exfoliations and articular cartilages.

Long bone growth, occurs wholly by interstitial growth of the epiphyseal plates during infancy and youth. The side of the epiphyseal plate facing the epiphysis cerebri contains resting cartilage cells. The cartilage cells form tall columns, the cells at the lapse divide cursorily and push the epiphesis away from the diaphys is, causing the finished long bone to lengt! hen. The bone is controlled by a salmagundi of ductless glands. the single close imoiortant stimulus of epiphyseal plate activity is growth hormone released by the anterior pituitary body gland. These hormones will ensure that as the bone repairs, it has proper proportions as it grows.If you want to get a full essay, order it on our website: OrderCustomPaper.com

If you want to get a full essay, visit our page: write my paper