实验五 空肠绒毛 报告主题:空肠绒毛
主题属性:定选
标本号:19#
材料:猫空肠
染色:HE 染色
教学要求:
掌握空肠绒毛的结构
图五 猫空肠绒毛(猫空肠,HE 染色,40×10)
Fig five cat jejunum villus (cat jejunum, stained with HE, 40 × 10) 上皮和固有层共同向肠腔突出形成小肠绒毛,绒毛的表面为单层柱状上皮细胞,主要有柱状细胞和少量的杯状细胞,上皮游离面有染色较红色的纹状缘,绒毛的中轴的固有层为细密结缔组织,其内常可见散在纵行的平滑肌,丰富毛细血管,1~2条中央乳糜管及大量的淋巴细胞The epithelium and lamina propria is common to the intestinal cavity with prominent formation of intestinal villi, villous surface of columnar epithelial cells, mainly with columnar cells and a small number of goblet 纹状缘Striated border
杯状细胞Goblet cell 柱状细胞Columnar cell
平滑肌细胞Smooth muscle cells
淋巴细胞Lymphocyte
cells, epithelial free surface stained more red striated border, villus axis of the lamina propria is a dense connective tissue, which often can be seen scattered in longitudinal smooth, rich in capillaries, 1~2 central lacteal and large numbers of lymphocytes。