中国鹅四肢骨骼的解剖研究

中国鹅的四肢骨骼,分前肢骨骼和后肢骨骼。前肢骨骼由于适应飞翔而变成翼骨,它和足形前肢一样,分为肩带骨和游离部骨。肩带部骨由肩胛骨、鸟喙骨和锁骨组成;游离部骨自近向远,分为臂骨、前臂骨、腕骨、掌骨和指骨。后肢骨骼也分为骨盆带骨和游离部骨。骨盆带骨由骼骨、坐骨和趾骨组成;游离部骨自上至上,分为股骨、小腿骨、髌骨、跖骨和耻骨。本文较详尽地叙述各骨块的形态结构特点。

ANATOMICAL STUDIES OF THE FOUR-LIMB (APPENDICULAR) SKELETON IN CHINESE GEESE

The four-limb skeleton of the chinese gccse is divide into the thoracic limb bone and the pelvic limb bones. The thoracic limb has changed into the wing bones for hover, which is divided into the pectoral girdle bone and the mobility part bone which is just the same as foot-shaped animals (or mammal). The pectoral girdles are composed of three pieces of bones which are supoorted by the fused clavicle, the coracoids and the scapulae . The mobility part bones from interoal to external are composed of the arm (humerus),the forearm (radius and ulna),and the manus (carpus,metacarpus and phalanges). The bones of the pelvic limb are also divided into the pelvic girdle bones and the mobility part bones. The pelvic girdle is called the coxae which is formed by the ilium, ischium and pubis. The mobility part bones ftom up to down are composed of the thigh (femur and patella). leg (tibia and fibula) and pes (metatarsus and digits). The structure and featune of each bone has been exhaustively described in this article.