海星类胃的第二部，即从幽门胃出来的薄壁盲囊。
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.
淀粉酶的活力大小与底物浓度有关，底物淀粉最适浓度依次为肝脏1%、幽门盲囊4%、肠2%、胃2%。
The amylase activity was also affected by different concentration of starch. The optimum concentration was 4% for pyloric , 2% for stomach , 2% for intestine, and 1% for liver.
同一蛋白质水平下，18%脂肪水平组胃、肠道和幽门盲囊的蛋白酶和脂肪酶活性均略高于9%脂肪水平组。
Under the same protein level, the protease and lipase activities of stomach, intestine and pyloric caeca in 18% lipid level groups were slightly higher than those in 9% lipid level groups.
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