骨顶鸡消化系统的解剖

Anatomizing of the digestive system of bald coot

通过观察描述骨项鸡消化系统各器官的解剖学特点,并与水禽、松鸡、雉鸡等的消化器官进行比较,发现与水禽相似,骨项鸡无嗉囊。骨顶鸡小肠占肠道总长的70％,盲肠占肠道总长的14％,松鸡科小肠占肠道总长的45％～49％,畜肠占肠道总长46％～49％,雉鸡小肠占肠道总长71％,盲肠占24％；从这些数据可以看出,骨项鸡小肠占肠道总长的比例居中,但盲肠短。

By observing and describing the anatomical trait of bald coot＇s digestive apparatus, and comparing with waterfowl, grouse pheasant and so on, this paper discover that bald coot has no the element bursa as waterfowl. In bald cools intestines, 70% is small intestine, 14% is cecum, in grouse＇s intestines, 45%-49% is small intestine, 46%-49% is cecum, in pheasant＇s intestines, 71 % is small intestine and 24% is cecum, according to these data, the length proportion of small intestine to hole intestines of bald coot is in the middle, but the cecum is short.