系統(tǒng)解剖學_運動系統(tǒng)概況-文庫吧資料
2025-07-28 21:26本頁面
【正文】 in adult are 206 in number, with the exception of six auditory ossicles, the other bones can be divided into the skull, the bones of the trunk and the appendicular bones. Bone is one of the hardest structure of the body, possesses also a certain degree of toughness(韌性 ),elasticity(彈性 ) and some shape. Each bone is an an and has its blood and nerve supply. 4 ? Classification of bone Bones are classified according to their position and shape. 按部位分為顱骨、軀干骨和四肢骨 – skull – bones of trunk – appendicular skeleton Axial bones Introduction 5 按骨的形態(tài)分為四類 Long bone Position: limbs Shape: tubular Action: levers Shaft Extremity (epiphyses) Epiphysial lines ?Diaphysis or shaft which is hollow (called medullary cavity , filled with bone marrow) ?Two ends－ epiphysis: articular surface, metaphysis epiphysial cartilage and epiphysial line 6 Short bone Position: wris
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