浆液性腺泡 粘液性腺泡 0,(飞六 b, striated duct 纹沈管 (secretory duct): intralobule 35005cE79e sImple columnar epl tall cell, acidophilic round N. located at apical part longitudinal striation plasma membrane infoldingb. striated duct (secretory duct): intralobule • simple columnar epi. : • tall cell, acidophilic • round N, located at apical part • longitudinal striation: plasma membrane infolding