Related by context. Frequent words. (Click for all words.) 60 collagen fibers 59 porphyrins 58 fibrin 58 autologous bone marrow 57 nanosized 57 mesenchymal cells 57 extracellular matrix 57 peritoneal cavity 57 hydroxyapatite 57 intestinal tissue 57 biocompatible 57 stromal 57 monolayers 56 myoblasts 56 tubules 56 resorbable 56 microspheres 56 microelectrodes 56 neural cells 56 Scar tissue 56 magnetic beads 56 fluorescent markers 55 polymer matrix 55 microenvironments 55 ureters 55 tissue 55 pericardium 55 nanospheres 55 microfluidic chip 55 microchannels 55 diseased tissues 55 stroma 54 polymerized 54 collagenase 54 perfused 54 macromolecules 54 fibroblast cells 54 micelles 54 bilayer 54 neural tissue 54 Hyaluronic Acid 54 mesoderm 54 cortical bone 54 microstructures 54 chromophores 54 hydrogel 54 allograft 54 chromophore 54 intervertebral disc 54 fibrous tissue 54 melittin 54 porphyrin 53 microparticles 53 ductal 53 nanomachines 53 prostate tissue 53 electrochemically 53 biomolecule 53 anatomical structures 53 basal cells 53 lytic 53 chondrocytes 53 synthetic genome 53 fibrils 53 polypeptides 53 biological molecules 53 teratoma 53 nanocrystalline 53 acetabulum 53 fluorescent probes 53 microcapsules 53 atherosclerotic plaques 53 granulocytes 52 allografts 52 subcutaneous tissue 52 artificial cornea 52 tissue grafts 52 intraoperatively 52 ribozyme 52 reactants 52 liposome 52 waxy substance 52 photonic crystal 52 nanoscopic 52 resorption 52 microporous 52 osseous 52 glomeruli 52 corneal tissue 52 antibody fragment 52 synovial fluid 52 silicon atoms 52 membranes 52 keratinocytes 52 microbubbles 52 vasculature 52 Schwann cells 52 moieties 52 hematopoietic 52 nitrogen atoms 52 neovascularization