The small intestine was gained to make microtome section and mucous membrane of small intestine morphology, trophonema altitude, thickness and crypt shade were observed under light microscope.
取小肠制作切片光镜观察小肠黏膜形态学变化及绒毛高度、厚度和
深浅等。
（crypt
数）The small intestine was gained to make microtome section and mucous membrane of small intestine morphology, trophonema altitude, thickness and crypt shade were observed under light microscope.
取小肠制作切片光镜观察小肠黏膜形态学变化及绒毛高度、厚度和深浅等。
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