The diaphysis (pl.: diaphyses) is the main or midsection (shaft) of a long bone. It is made up of cortical bone and usually contains bone marrow and adipose tissue (fat). It is a middle tubular part composed of compact bone which surrounds a central marrow cavity which contains red or yellow marrow. In diaphysis, primary ossification occurs.

DIAPHYSIS翻译：骨干，骨体。 了解更多。

DIAPHYSIS的意思、解释及翻译：1. the main section of a long bone: 2. the main section of a long bone: 。 了解更多。

Long bones consist of four parts. The diaphysis is the long tubular midportion of bone that ends in the metaphysis, the flared portion of bone that is separated from the epiphysis by the growth plate or physis. At birth, the diaphysis is relatively short. It grows in length by enchondral ossification.

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1. the portion of a long bone between the ends or extremities, which is usually articular, and wider than the shaft; it consists of a tube of compact bone, enclosing the medullary cavity. Called also shaft. 2. the portion of a bone formed from a primary center of ossification. See illustration. Diaphysis. From Dorland's, 2000.

Guangzhou Diophy Leather Co., Ltd. is a professional leather handbag manufacturer. It is located in Guangzhou, China, which is known as the leather capital. It is currently the largest leather goods trading market in Asia.

广州市黛奥菲皮具有限公司是一家专业的皮革手袋制造企业，位于享有皮革之都美称的中国广州，是目前亚洲最大的皮具交易市场。 从事设计、生产各类皮具产品的黛奥菲皮具有限公司，产品选材严格、手工精致、设计创新，深受国内外客户的青睐。

hyoid bone, U-shaped bone situated at the root of the tongue in the front of the neck and between the lower jaw and the largest cartilage of the larynx, or voice box. The primary function of the hyoid bone is to serve as an attachment structure for the tongue and for muscles in the floor of the oral cavity. It has no articulation with other bones.

The diaphysis is the main or mid section (shaft) of a long bone. It is usually filled with Yellow Cartilage, which is made mostly of adipose (fat). This provides some protection to shaft when presure is applied. Yellow marrow also contains white blood cells, which is important in the body's defense against disease. Template:Bone and cartilage.