Related by context. Frequent words. (Click for all words.) 48 hematopoietic stem cells 47 oligodendrocytes 46 cells 46 germ cells 45 progenitor cells 43 mitochondria 43 adipose tissue 42 bone marrow stem cells 42 pancreas 42 oocytes 41 bone marrow 41 ES cells 41 fibroblasts 41 transgenic mice 41 platelets 41 follicles 40 oocyte 40 neural stem cells 40 hair follicles 40 pancreatic cells 40 thymus 40 mutant mice 40 Adult stem cells 40 blood platelets 40 livers 40 testes 40 hematopoietic stem cell 40 stem cells 39 retinal cells 39 Platelets 39 hepatocytes 39 tumors 39 testis 39 cultured cells 39 vasculature 39 ovaries 39 bile ducts 39 liver 38 tissues 38 lung tumors 38 yeast cells 38 skeletal muscle 38 cardiomyocytes 37 breast tissue 37 mouse embryos 37 knockout mice 37 glutamine 37 pancreatic 37 skeletal muscles 37 adult stem cells 37 islet cells 37 platelet 36 accumulates 36 optic nerves 36 telomeres 36 amassed 36 deficient mice 36 neurones 36 accumulate 35 kidneys 35 organs 35 ovary 35 intestine 35 accumulated 35 placentas 35 diabetic mice 35 lanthanum 35 engraftment 35 zebrafish 35 muscle tissue 35 sperm 34 circulatory system 34 amass 34 lung tissue 34 endothelial cells 34 fatty liver 34 fetal tissue 33 Current Assets 33 muscle fibers 33 embryos 33 embryo 33 sperms 33 tissue 33 metastasize 33 tissue samples 33 intestines 33 prostates 33 secrete 33 mesenchymal stem cells 33 blood vessels 33 excreted 32 .# slugging percentage 32 secretes 32 mammary glands 32 amassing 32 synthesize 32 brain 32 specimens 32 salivary glands 32 fertilized eggs 32 internal organs