Related by context. Frequent words. (Click for all words.) 51 bioabsorbable 51 anatomical structures 50 diseased arteries 50 vertebral body 49 vertebral 49 Nitinol 48 collagen fibers 48 macromolecules 48 silicone gel 47 nitinol 47 fibrin 47 retractor 46 perineal 46 femoral 46 hip joints 46 microspheres 46 pleural 45 occlude 45 bone grafts 45 siRNA molecules 45 suture 45 nonporous 45 spinal discs 45 microsphere 45 biodegradable polymer 44 allograft 44 fibrous tissue 44 soft tissues 43 uvula 43 anatomies 43 scaffold 43 stratum corneum 43 extracellular matrix 43 polymeric 43 hydrogel 43 sheaths 43 outer membrane 43 substrate 42 cantilevers 42 mouthparts 42 tissue 42 spinal canal 42 tendons 42 bilayer 42 epithelial cell 42 footpads 42 tissues 42 membrane 41 hydrogels 41 microcapsules 41 graphene sheets 41 muscles tendons 41 polypeptides 41 silicon substrate 41 monolayer 41 Varicose veins 41 grippers 41 friable 41 macromolecular 41 membranes 41 brachial plexus 41 biomaterial 41 epidermis 40 mesenchymal cells 40 scaly skin 40 pelvic bones 40 aortas 40 sutures 40 steel joists 40 sacrum 40 fibronectin 40 posterior 40 scaffolds 40 hips 40 spinal chord 40 dendritic 39 spine 39 covalent 39 masonry walls 39 integrins 39 spinal column 39 vesicle 39 curvatures 39 liposome 39 substructures 39 irregular shapes 39 fibrous 39 handholds 39 arthritic joints 39 sepals 39 nanospheres 39 scrotal 39 sheathing 39 jaw muscles 39 peripheral nerves 38 polymer 38 magnetic particles 38 forelimb 38 protective sheath 38 upright posture 38 legs splayed