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皖西白鹅消化管的组织学结构
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摘要:
为了观察成年皖西白鹅母鹅消化管的形态特征,在鹅放血致死后,解剖观察其消化管的组成,取消化管各部分,制作组织切片.结果表明,成年皖西白鹅母鹅消化管由口咽、食管、腺胃、肌胃、小肠(十二指肠、空肠与回肠)、大肠(盲肠与直肠)和泄殖腔构成,其中肌胃和盲肠(2条)发达,缺少唇、齿、软腭和结肠等.消化壁一般分为4层,由内向外为粘膜、粘膜下层、肌层和外膜,其中粘膜下层很薄,十二指肠粘膜下层无十二指肠腺.
关键词:  皖西白鹅  消化管  组织学
DOI:
修订日期:2004-12-20
基金项目:
Histology Structure of Digestive Ducts in Wanxi White Geese
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Abstract:
The morphologic characteristics of Wanxi White Geeses digestive ducts were studied by observing the compostion of digestive ducts and its section tissue.The result indicated that Wanxi White Geeses digestive ducts were composed of osal cavity and pharynx,esophagus, glandular stomach,muscular stomach, duodenum, jejunum, ileum, caecum, rectum and cloaca.The wall of digestive tube was composed of mucous membrane,thin submucosa,tunica muscularis and tunica adventitia,but duodenal gland in duodenum was not found.
Key words:  Wanxi White Geese,digestive duct,histology,

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