Related by context. Frequent words. (Click for all words.) 68 germ cells 65 stem cells 64 progenitor cells 63 somatic cells 63 cells 62 ES cells 62 progenitor cell 62 HSCs 61 B lymphocytes 61 blastocyst 61 hematopoietic stem cells 61 blastocysts 61 pluripotent stem cells 60 pluripotent 60 oocyte 60 neural stem cells 60 oligodendrocytes 60 zygote 59 embryo 59 mouse embryos 59 lymphocytes 58 prostate tissue 58 bone marrow stem cells 58 fibroblasts 57 islet cells 57 embryonic cells 57 oocytes 57 malignant cells 57 leukemic cells 57 Adult stem cells 57 spermatozoa 57 testis 57 Embryonic stem cells 57 monocytes 57 mesenchymal stem cells 56 follicles 56 iPSCs 56 ESCs 56 T lymphocytes 56 epithelial cells 56 embryonic stem cells 56 vesicle 56 gametes 56 pancreatic cells 56 iPS cell 56 ovum 55 embryonic 55 tissues 55 cardiomyocytes 55 Stem cells 55 embryos 55 retinal cells 55 adipocytes 55 iPS cells 54 RNA molecules 54 proteins 54 induced pluripotent stem cells 54 glia 54 iPS 54 thymus 54 motor neurons 54 introns 54 lymphocyte 54 hESCs 54 fibrils 54 progenitors 54 endosperm 54 tumor cells 53 chimeric 53 tissue 53 melanocytes 53 mammalian cells 53 osteoblasts 53 glycoproteins 53 adult stem cells 53 diseased cells 53 adipose tissue 53 immune cells 53 meiosis 53 isoforms 53 hepatocytes 53 fertilized egg 53 viral particles 52 oligomers 52 epidermis 52 nerve cells 52 keratinocytes 52 cancerous cells 52 organelles 52 Embryos 52 cultured cells 52 glial cells 52 ovary 52 MSCs 52 pluripotency 52 cloned embryo 52 cloned embryos 52 antigen presenting cells 51 autologous 51 cytoplasmic 51 hematopoietic stem cell