| 单词 | diaphysis |
| 例句 | The diaphysis contains compact bone surrounding a medullary cavity containing bone marrow On either end is an epiphysis containing cancellous or spongy bone. Fundamentals of Biology 2015-01-01T00:00:00Z The epiphyseal plate fades, leaving a structure called the epiphyseal line or epiphyseal remnant, and the epiphysis and diaphysis fuse. Biology for AP Courses 2022-06-09T00:00:00Z A long bone has two parts: the diaphysis and the epiphysis. Anatomy and Physiology 2013-06-19T00:00:00Z Sometimes the separation is compound, the diaphysis protruding through the skin. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. The effusions were most strongly marked in cases of fractures of the diaphyses, although this was more noticeable in some situations than others. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre The superior end of the diaphysis is connected to the epiphysis. Fundamentals of Biology 2015-01-01T00:00:00Z The weight of the body pushes it down near the joint, but the vertical diaphysis of the femur pushes it up at the other end. Biology for AP Courses 2022-06-09T00:00:00Z How can a fractured diaphysis release fat globules into the bloodstream? Anatomy and Physiology 2013-06-19T00:00:00Z It is seldom pure, a portion of the diaphysis usually being broken off and remaining attached to the epiphysis. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. In the latter case the exit might be in the diaphysis, and be accompanied by the separation of an exit fragment such as is illustrated in fig. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre The most satisfactory treatment is to resect sub-periosteally the diseased portion of the diaphysis. Manual of Surgery Volume First: General Surgery. Sixth Edition. In long bones, chondrocytes form a template of the hyaline cartilage diaphysis. Biology for AP Courses 2022-06-09T00:00:00Z The yellow marrow in the diaphysis is exposed and damaged. Anatomy and Physiology 2013-06-19T00:00:00Z Tuberculous foci in the bones are met with chiefly in the lower end of the diaphysis of the humerus; in children, the epiphyses are so small that the ossifying junction is intra-articular. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. This was no doubt due to the infrequency of extension of the comminuted fractures beyond the junction of diaphysis and epiphysis. Surgical Experiences in South Africa, 1899-1900 Being Mainly a Clinical Study of the Nature and Effects of Injuries Produced by Bullets of Small Calibre The diaphysis is also nourished by numerous blood vessels from the periosteum, which penetrate the cortex through the Haversian canals and anastomose with those derived from the nutrient artery. Manual of Surgery Volume First: General Surgery. Sixth Edition. This calcification prevents diffusion of nutrients into the matrix, resulting in chondrocytes dying and the opening up of cavities in the diaphysis cartilage. Biology for AP Courses 2022-06-09T00:00:00Z The epiphyseal plate is retained for many years, until the bone reaches its final, adult size, at which time the epiphyseal plate disappears and the epiphysis fuses to the diaphysis. Anatomy and Physiology 2013-06-19T00:00:00Z In many cases a distinct, rounded, smooth, and regular ridge, caused by the projection of the diaphysis, can be felt. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Fragilitas of the bone probably exists in many cases when fracture of its diaphysis occurs. Lameness of the Horse Veterinary Practitioners' Series, No. 1 The separation usually takes place through the young bone of the ossifying junction, and the surfaces of the diaphysis and epiphysis are opposed to each other by irregular eroded surfaces bathed in pus. Manual of Surgery Volume First: General Surgery. Sixth Edition. Osteoclasts then break down some of the spongy bone to create a marrow, or medullary, cavity in the center of the diaphysis. Biology for AP Courses 2022-06-09T00:00:00Z Bone lengthening involves growth of the epiphyseal plate cartilage and its replacement by bone, which adds to the diaphysis. Anatomy and Physiology 2013-06-19T00:00:00Z Prognosis and Results.—In the majority of cases union takes place satisfactorily by the formation of callus in the spongy tissue of the diaphysis and on the deep surface of the periosteum. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Showing shortening of bone, owing to a lateral approximation of the diaphysis because of muscular contraction. Lameness of the Horse Veterinary Practitioners' Series, No. 1 It may be instructive to describe the X-ray appearances of a long bone that has passed through an attack of acute osteomyelitis severe enough to have caused necrosis of part of the diaphysis. Manual of Surgery Volume First: General Surgery. Sixth Edition. In the caves that were inhabited by man, however, we find the apophyses neglected, whilst the diaphyses are split open. Manners and Monuments of Prehistoric Peoples The epiphyseal plate is then completely replaced by bone, and the diaphysis and epiphysis portions of the bone fuse together to form a single adult bone. Anatomy and Physiology 2013-06-19T00:00:00Z In young subjects before the bones are fully developed the epiphyses may be separated from the diaphyses. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Contraction of muscles also tends to exert traction upon a bone so fractured, resulting in a lateral approximation of the diaphysis and thus preventing union because the broken surfaces are not in proper contact. Lameness of the Horse Veterinary Practitioners' Series, No. 1 The term epiphysitis has been applied to an inflammatory process in two distinct situations—namely, the ossifying nucleus in the epiphysis, and the ossifying junction or metaphysis between the epiphysial cartilage and the diaphysis. Manual of Surgery Volume First: General Surgery. Sixth Edition. It can be found under the periosteum and in the diaphyses of long bones, where it provides support and protection. Anatomy and Physiology 2013-06-19T00:00:00Z The hollow region in the diaphysis is called the medullary cavity, which is filled with yellow marrow. Anatomy and Physiology 2013-06-19T00:00:00Z In compound separations of epiphysis, the end of the diaphysis may be pushed through the skin. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Here, the osteoblasts form a periosteal collar of compact bone around the cartilage of the diaphysis. Anatomy and Physiology 2013-06-19T00:00:00Z Most of the chondrocytes in the zone of calcified matrix, the zone closest to the diaphysis, are dead because the matrix around them has calcified. Anatomy and Physiology 2013-06-19T00:00:00Z For example, a fractured diaphysis of the femur has the potential to release fat globules into the bloodstream. Anatomy and Physiology 2013-06-19T00:00:00Z The walls of the diaphysis are composed of dense and hard compact bone. Anatomy and Physiology 2013-06-19T00:00:00Z The end of the diaphysis may be palpated through the skin in front. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. Once these areas have ossified, their fusion to the diaphysis and the disappearance of each epiphyseal plate follow a reversed sequence. Anatomy and Physiology 2013-06-19T00:00:00Z This begins as a primary ossification center in the diaphysis, followed by the later appearance of one or more secondary ossifications centers in the regions of the epiphyses. Anatomy and Physiology 2013-06-19T00:00:00Z This plate is located between the diaphysis and each epiphysis. Anatomy and Physiology 2013-06-19T00:00:00Z A hollow medullary cavity filled with yellow marrow runs the length of the diaphysis of a long bone. Anatomy and Physiology 2013-06-19T00:00:00Z The upper end of the diaphysis forms a projecting ridge which may be felt below and in front of the acromion. Manual of Surgery Volume Second: Extremities—Head—Neck. Sixth Edition. On the diaphyseal side, cartilage is ossified, and the diaphysis grows in length. Anatomy and Physiology 2013-06-19T00:00:00Z Capillaries and osteoblasts from the diaphysis penetrate this zone, and the osteoblasts secrete bone tissue on the remaining calcified cartilage. Anatomy and Physiology 2013-06-19T00:00:00Z Thus, the zone of calcified matrix connects the epiphyseal plate to the diaphysis. Anatomy and Physiology 2013-06-19T00:00:00Z The walls of the diaphysis are compact bone. Anatomy and Physiology 2013-06-19T00:00:00Z A bone grows in length when osseous tissue is added to the diaphysis. Anatomy and Physiology 2013-06-19T00:00:00Z The erosion of old bone along the medullary cavity and the deposition of new bone beneath the periosteum not only increase the diameter of the diaphysis but also increase the diameter of the medullary cavity. Anatomy and Physiology 2013-06-19T00:00:00Z |
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