Stern M D, Hoover W H, Leonard J B
J Dairy Sci. 1977 Jun;60(6):911-8. doi: 10.3168/jds.S0022-0302(77)83962-3.
Thin sections of rumen diliated protozoa of the subclass Holotrichia were observed with a transmission electron microscope. These protozoa had a double layered boundary separating the ectoplasm from the endoplasm. Starch granules were abundant throughout the endoplasm and are probably storage starch. Also in the endoplasm of the holotrichs were the macro- and micronuclei. They were adjacent to one another, apparantly surrounded by a continuous membrane. Many unidentified dense bodies appeared in the endoplasm adjacent to the inner layer of the ectoplasmic-endoplasmic boundary. These inclusions could be precursor material to the boundary. The cuticle contained granular inclusions which might be secreted to facilitate ciliary movement. The holotrichs ingested chloroplasts as these were in vacuoles throughout the cytoplasm. The anal pore appeared to be open to the exterior and lined by a unit membrane.
用透射电子显微镜观察了全毛亚纲瘤胃扩张原生动物的薄片。这些原生动物有一个双层边界，将外质与内质分开。淀粉颗粒在内质中大量存在，可能是储存淀粉。全毛类的内质中还有大核和小核。它们彼此相邻，显然被一层连续的膜包围着。在靠近外质-内质边界内层的内质中出现了许多身份不明的致密体。这些内含物可能是边界的前体物质。角质层含有颗粒状内含物，可能会分泌这些内含物以促进纤毛运动。全毛类摄取叶绿体，因为这些叶绿体存在于整个细胞质的液泡中。肛门孔似乎通向外部，内衬单位膜。
