A.黏膜層 B.黏膜下層 C.肌層 D.漿膜層 E.超出漿膜層
A.腺上皮細(xì)胞數(shù)量較少B.腺上皮細(xì)胞彌散分布C.細(xì)胞大小及形態(tài)較一致D.背景中不見間質(zhì)細(xì)胞