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时间:2021-04-15
《最新上皮组织上皮组织由许多排列紧密的细胞和少量的细胞间质91-药学医学精品资料.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、最新上皮组织上皮组织由许多排列紧密的细胞和少量的细胞间质91-药学医学精品资料上皮组织具有保护、分泌、吸收和排泄等功能。但不同部位的上皮组织功能不尽相同,如皮肤上皮主要是保护作用,而消化管腔面的上次除有保护作用外,还有吸收和分泌功能,腺上皮的功能主要是分泌,生殖腺内的生殖上皮与生殖机能有关等。一、上皮组织的类型与结构根据上皮细胞的功能,上皮组织可分为被覆上皮、感觉上皮、生殖上皮和腺上皮。根据上皮细胞的形态、结构和排列层次,上皮组织可分为单层上皮和复层上皮,上皮又根据细胞的形状(单层上皮)和浅层细胞的形状(复层上皮)可将被覆上皮分为多种。(一)单层扁平上皮:内皮:心血管、淋巴管等
2、内表面;间皮:胸膜、腹膜、心包膜等表面;其它:肺泡壁、肾小囊壁层和髓拌降支等处(三)上皮细胞的基底面1基膜2质膜内褶半桥粒5H8KcNfRiUlXp#s%v)y0C3F6IaLdOgSjVnYq!t*w-z1D4G8JbMeQhTkWoZr$u(x+B2E5H9KcNfRiUmXp#s&v)y0C3F7IaLdPgSjVnYq$t*w-A1D4G8JbNeQhTlWoZr%u(y+B2E6H9KcOfRjUmXp!s&v)z0C3F7IaMdPgSkVnYq$t*x-A1D5G8JbNeQiTlWo#r%u(y+B3E6H9LcOfRjUmYp!s&w)z0C4F7JaM
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