Related by context. Frequent words. (Click for all words.) 57 IVF embryos 55 mouse embryos 55 granulocytes 55 myocytes 54 transplanted stem cells 54 teratoma 54 engrafted 54 myoblasts 54 zebrafish embryos 53 biopsy specimens 53 pancreases 53 transplanted tissue 52 endoscopically 52 stem cells harvested 52 endothelial progenitor cells 52 hematopoietic cells 52 extract stem cells 52 testis 51 erythrocytes 51 fibroblast cells 51 tissue 50 intestinal tissue 50 neuroblastoma cells 50 cryopreserved 50 tracheal 50 testicular tissue 50 neonate 50 spleen liver 50 glioblastoma cells 50 aortas 50 methylation patterns 50 nematode worms 49 pancreatic islets 49 tissue grafts 49 cultured cells 49 sentinel lymph node 49 oviduct 49 stem cells extracted 49 thymus gland 49 tissue samples 49 retinal pigment epithelium 49 rhesus macaque monkeys 49 peripheral blood mononuclear 49 HeLa cells 49 diseased tissues 49 diabetic rats 49 chondrocytes 49 glioma cells 49 mutant strains 49 mutant flies 49 metastatic tumors 49 Tissue samples 49 neural cells 49 cadaveric 49 Adult stem cells 49 prostate glands 49 melanoma tumors 49 unfertilized egg 48 Tzakis 48 liver biopsies 48 Langerhans cells 48 digestive organs 48 tissue biopsies 48 oocyte 48 keratinocytes 48 ovary 48 transplanted kidneys 48 Caenorhabditis elegans 48 melittin 48 collagenase 48 cells hESCs 48 Hox genes 48 atherosclerotic lesions 48 specimens 48 transplanted kidney 48 Xenopus 48 embryos 48 CLL cells 48 basal cells 48 splenic 48 noninvasively 48 genetically altered mice 48 bypass grafts 47 sentinel nodes 47 beta thalassemia 47 umbilical cord stem cells 47 corneal tissue 47 diabetic mice 47 stem cells 47 peritoneal cavity 47 Biopsies 47 RPE cells 47 immunohistochemical 47 Tumor cells 47 hESC lines 47 mesenchymal cells 47 adipose fat 47 transplanted organ 47 placentas 47 Newborn screening 47 undifferentiated cells