人体常识..

accessory bone 附骨：附着于腕骨或跗骨的小骨，偶尔存在；可在X线片上发现 acetabular bone 髋臼：同acetabulum acromial bone 肩峰：同acromion alar bone 蝶骨：同os sphenoidale Albrecht's bone 耳底骨：同basiotic bone alisphenoid bone 蝶骨大翼：同ala major ossis sphenoidalis alveolar bone 牙槽骨：构成上颌骨和下颌骨