摘要
采用石蜡切片,HE染色,对一雌性5 龄黑颈鹤的消化道进行了组织学的观察.粘膜层、肌层和消化腺发达为组成消化管壁的主要结构.咽、食道、嗉囊均为复层扁平上皮,角化层明显,粘液腺数量多、体积大.腺胃固有膜内有单、复两种管状腺.肌胃的类角质膜发达,单管状肌胃腺常4 ～6 或12 ～14 个组成一束,肌层仅为厚层环肌组成.小肠绒毛及肠腺发达,粘膜肌明显.大肠壁厚肠腺少,肌层相对发达.
The histology ofthe digestive tract of one five years old female Black necked Crane ( Grus nigricollus) wasinvestigated by means oflight microscopy method .The characteristic of every part ofthe tract and therelationship between morphology and function were discussed .
出处
《首都师范大学学报（自然科学版）》
2000年第1期48-50,共3页
Journal of Capital Normal University：Natural Science Edition
