title: Cytodifferentiation of maturing pine tracheids: the final stage.
mesh_terms: D001329:Autolysis; D002454:Cell Differentiation; D002736:Chloroplasts; D003593:Cytoplasm; D005612:Freeze Drying; D005613:Freeze Etching; D002479:Inclusion Bodies; D008854:Microscopy, Electron; D008855:Microscopy, Electron, Scanning; D014197:Trees / Q000033:anatomy & histology / Q000254:growth & development*