CAJ | 학술논문

对分布于中国东北地区的驯鹿消化道进行了大体解剖学的观察。驯鹿无鼻唇镜，仅有不发达的唇镜。舌无叶状乳头。雌、雄鹿均具有上犬齿。主要的唾液腺包括腮腺、下颌腺、单口舌下腺。胃包括瘤胃、网胃、瓣胃、皱胃。升结肠分为初袢、旋袢和终袢。旋袢具有5周向心回和5周离心回，在离心回的最后1周具有1个“S”状袢。
대분포우중국동북지구적순록소화도진행료대체해부학적관찰。순록무비진경，부유불발체적진경。설무협상유두。자、웅록균구유상견치。주요적타액선포괄시선、하합선、단구설하선。위포괄류위、망위、판위、추위。승결장분위초번、선번화종번。선번구유5주향심회화5주리심회，재리심회적최후1주구유1개“S”상번。
The digestive tract ana tomy of reindeer that live in northeastChina was studied.The reindeer has no pl anum nasonabiale,but has an undeveloped planun labiales.There are filiform papil lae,fungiform papillae,valate papillae and lenticular papillae,but no foliate pa pillae on the tongue.Both the male and female have uper canine tooth.The primary major salivary glands included parotid gland,mandibular gland,and monostomalica l sublingual gland.The stomach included rumen,reticulum,omasum and abomasum.The spiral loop of ascending colon have 5 centripeta turns and 5 centrifugal turns.I n the last centrifugal turn there is an “s”formed loop in the ventro-caudal qu adrant.