title: Ultrastructure and growth of human limb mesenchyme (HLM15) in vitro.
mesh_terms: D002454:Cell Differentiation; D002467:Cell Nucleus; D002478:Cells, Cultured; D003593:Cytoplasm; D004721:Endoplasmic Reticulum; D005347:Fibroblasts / Q000254:growth & development*; D005528:Foot / Q000033:anatomy & histology / Q000196:embryology*; D006056:Golgi Apparatus; D006225:Hand / Q000033:anatomy & histology / Q000196:embryology*; D006801:Humans; D007621:Karyotyping; D008854:Microscopy, Electron; D008928:Mitochondria; D013997:Time Factors