Ultrastructurally, the tumor cells had tapering nuclei with long, delicate cytoplasmic processes associated with prominent subplasmalemmal pinocytotic vesicles.
2
直肠壁薄而没有浆膜覆盖。
The rectal wall is thin and has no serosal covering.
3
直肠壁薄而没有浆膜复盖。
The rectal wall is thin and has no serosal covering.