title: Origin and development of the demarcation system in megakaryocytes of rat bone marrow.
mesh_terms: D000818:Animals; D002462:Cell Membrane; D002467:Cell Nucleus; D004721:Endoplasmic Reticulum; D005269:Femur; D006652:Histological Techniques; D008533:Megakaryocytes / Q000166:cytology*; D008854:Microscopy, Electron; D008961:Models, Structural; D011554:Pseudopodia; D051381:Rats; D013977:Tibia