肠胚胎的消化管，包括前肠，中肠和后肠。
The embryonic digestive tube consisting of the foregut the midgut and the hindgut.
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.
结论：p 53蛋白可在胃癌的早期诊断中起作用，其改变在胃癌发生的早期即居于肠化生阶段的癌前变化过程中。
Conclusion: P53 protein can be used in early clinical diagnosis. Early in gastric carcinogenesis, its change occurs at intestinal metaplasia stage.
肠胚胎的消化管，包括前肠，中肠和后肠。
The embryonic digestive tube, consisting of the foregut, the midgut, and the hindgut.
消化道上皮细胞有无纹状缘是区分中肠与前、后肠的重要标准之一。
The epithelium cells of digestive tube with or without the striated border can be used as one of important standard for distinguishing the midgut from foregut and hindgut.
肝胰脏、前肠、中肠、后肠中蛋白酶活性均随饲料中玉米淀粉添加水平的升高而显著降低（P<0.05）。
The protease activity in hepatopancreas, foregut, midgut and hindgut was significantly decreased with the increase of dietary corn starch supplemental level(P<0.05).
目的：研究p 16蛋白在胃癌前病变(不典型增生及肠化)及胃癌中的表达。
Objective: To investigate the expression of P16 protein in premalignant lesions and gastric carcinoma, including dysplastic gastric mucosa and intestinal metaplasia in gastric mucosa.
在试验前期，三个饲料组黄颡鱼前肠中淀粉酶活性差异不显著；
Amylase activities of yellow catfish in pancrean have no significant differences in three protein content feed groups.
而在试验后期，中蛋白饲料组前肠中该酶活性显著高于高蛋白饲料组的。
During the later period of the test, amylase activity in foregut of intermediate protein content feed group is significantly higher than that of high protein content group.
中肠上皮细胞游离面具发达的微绒毛，前、后盲囊上皮细胞有柱状和杯状两种形态；
The free side of the epithelium cells of midgut was covered with abundant microvilli, and there were two types of cells in the epithelium of anterior and posterior midgut cecum;
中肠上皮细胞游离面具发达的微绒毛，前、后盲囊上皮细胞有柱状和杯状两种形态；
The free side of the epithelium cells of midgut was covered with abundant microvilli, and there were two types of cells in the epithelium of anterior and posterior midgut cecum;
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