前肠

B5的前肠和中肠肠道组织结构完整性被破坏，部分肠绒毛脱落，后肠的肠绒毛变短且固有层变宽，粘膜层与肌层结缔组织连接疏松。

The structural integrity of anterior intestine and mid-intestine in B5 was destroyed , the part of intestinal villi shed . The intestinal villi of posterior intestine were shorter , the proper layer became wider and the connective tissue of proper layer loosened .

裂体生殖和配子生殖发生在幽门盲囊和前肠上皮细胞核之上方。

Both schizogony and gametogony occur at the place above the nucleus of the epithelia cells of pyloric caeca and anterior intestine .

硫酸镁用于盆腔CT检查前肠道准备的护理及效果观察

Effect Observation and Nursing of the Intestinal Canals Preparation by Use of Sulphuric Acid Magnesium Before the CT Scan of Pelvic Cavity

前肠仅呈现PAS阳性反应。

The whole digestive tract shows PAS positive reaction .

摄食后前肠粘膜的胰蛋白酶活性增加，1h时达最高峰；

After intake of food , the trypsin activity in foregut increase , and at 1h , reaches the peak .

口服磷酸钠与聚乙二醇电解质液在结肠镜检查前肠道准备中应用的Cochrane系统评价

Oral Sodium Phosphate Versus Polyethylene Glycol-electrolyte Lavage Solution for Colonoscopy Preparation : a Cochrane Systematic Review

结果：Glu细胞在齐口裂腹鱼肠道中以中肠分布最密集，前肠和后肠分布密度较低；

Results : the distribution density of Glu cells is higher in the midgut , lower in the foregut and hindgut of S.prenanti ;

结果表明，虎纹蛙食道、胃、前肠、后肠、直肠和胰脏蛋白酶的最适pH值分别为1.5、1.5、7.4、7.4、7.4和9.6，最适温度则均为50℃。

The optimum pH value of protease in esophagus , stomach , duodenum , ileum , rectum and pancreas was 1.5 , 1.5 , 7.4 , 7.4 , 7.4 and 9.6 , respectively . Their optimum temperature were equally 50 ℃ .

而Gastrin细胞分布在胃盲囊和前肠中，平均每104μm2黏膜上皮分别有0.98个和0.71个阳性细胞。

Gastrin immunoreactive cells were founded in pylorus-theca and fore-intestine , there are 0.98 and 0.71 cells in every 10 ~ ( 4 )? μ m ~ ( 2 ) epithelium .

将HRP注入胸7-9（T7-9）背根节，在相应的胸交感干神经节和腹腔-前肠系膜神经节发现少量标记细胞。

After injecting HRP into T7-9 DRG , a few of labelled neurons were found in thoracic SG of the relative segments and CCMG .

该文采用体视显微摄影技术对斑腿蝗科（Catantopidae）3属4种蝗虫前肠形态进行了对比分析。

The foregut armature of 4 species of grasshoppers belonging to 3 genera ( Catantopidae ) has been comparatively studied by stereo microphotography .

胚长4～14mm，头侧5对鳃弓逐渐退化，口膜破裂与前肠相通，上下颌及舌已形成。

The 5 pairs of visceral arches of the head side have gradually degenerated when embry-onic length is 4 ~ 15mm . The oral plate ruptures to connect with the fore-gut .

当替代50%时，SGR、肠重和前肠后肠皱襞高度显著降低（P<0.05），饲料系数、中肠后肠溶菌酶含量和抗体水平显著升高（P<0.05）；

SGR , intestine weight , height of proximal and distal intestinal folds significantly decreased at 50 % substitution ( P < 0.05 ), while feed coefficient , lysozyme content and antibody level of mid and distal intestine increased at the same time ( P < 0.05 ) .

这就为前肠和中肠的邻接部分提供了神经。

This innervate the adjacent region of the fore and middle intestine .

复方聚乙二醇电解质散在结肠镜检查前肠道准备的临床观察

Clinical observation of polyethylene glycol-electrolyte powder in the bowel preparation before colonoscopy

大肠水疗用于电子结肠镜检查及治疗前肠道准备的效果观察

Effect of colorectal hydrotherapy in electronic colonoscopy and bowel preparation

胶囊内镜检查前肠道准备方法的临床研究

Clinical study on bowel preparation before capsule endoscopy

根据我们的观察，对前肠提出了新的分区。

A new scheme for zoning of foregut was proposed based on our observation .

支气管肺前肠畸形伴膈膨出

Bronchopulmonary foregut malformation in association with diaphragmatic eventration

其中，前肠由口、食道、胃等组成；中肠有中肠前盲囊和中肠腺等附属结构。

Both anterior midgut caecum and midgut gland are appendant organs of the midgut .

术前肠外营养结合动脉化疗对胃癌微血管密度的影响

Influence of microvessel density of parenteral nutrition with selective intra-arterial chemotherapy in gastric cancer

胃和前肠是消化吸收主要的部位，胃盲囊和前肠结构和功能非常类似。

Stomach and fore - intestine were the main region of digestive and absorption .

术前肠内营养对胃癌患者围手术期作用的研究

Influence of Enteral Nutrition during the Perioperative Period on Postoperative Patients with Gastric Cancer

前肠与后肠起源于外胚层，中肠则发生自内胚层。

The fore-gut and hind-gut are of ectodermal origin and the mid-gut arises from endoderm .

西甲硅油在结肠镜检查前肠道准备中的应用

Clinical application of simethicone in combination with catharsis agents in the bowel preparation for colonoscopy

前肠柱状上皮细胞游离面的微绒毛长而密，后肠的短而稀疏。

Microvilli in foregut are long and dense , but short and sparse in postgut .

贲门瓣十分发达，几乎全部由前肠的上皮细胞构成。

The cardiac valve is highly developed and is composed mostly of stomodaeal epithelial cells .

前肠粘膜褶高，纹状缘薄，杯状细胞数目相对乌鳢、鲶鱼较多。

Their fore-gut has high mucosal fold , thin striated border , more goblet cells .

由前肠到后肠，粘膜褶由高变低，数量逐渐减少；

The height of folds changes from high to low , number is slowly inclined .

前肠的假设后来引起争议。

The foregut hypothesis was later contested .