title: Oral cavity of Tetrahymena pyriformis. A freeze-fracture and high-voltage electron microscopy study of the oral ribs, cytostome, and forming food vacuole.
mesh_terms: D002462:Cell Membrane / Q000502:physiology / Q000648:ultrastructure*; D003593:Cytoplasm / Q000648:ultrastructure; D004721:Endoplasmic Reticulum / Q000648:ultrastructure; D005614:Freeze Fracturing; D008854:Microscopy, Electron / Q000379:methods; D008867:Microtomy; D008870:Microtubules / Q000648:ultrastructure; D009940:Organoids / Q000648:ultrastructure*; D013769:Tetrahymena pyriformis / Q000648:ultrastructure*; D014617:Vacuoles / Q000502:physiology / Q000648:ultrastructure*