Related by context. Frequent words. (Click for all words.) 57 thyroid glands 56 pancreases 53 antithrombin 52 fetal tissue 52 thyroids 52 steroid hormones 51 ovaries 50 livers 49 hormone 49 hormones 49 diseased 49 placentas 49 tissue samples 49 IVF embryos 48 hormone estrogen 48 pituitary 48 prostates 48 genetically modified mice 48 genital organs 48 cadavers 48 testes 48 thymus gland 48 female hormone estrogen 48 thyroid hormone 48 oocytes 47 androgen receptors 47 anatomist 47 oligodendrocytes 47 fatty tissue 47 5 alpha reductase 47 sperms 47 Tissue samples 47 follicle stimulating hormone 47 bone marrow stem cells 47 sperm 47 estrogen hormone 46 hormone cortisol 46 ambiguous genitalia 46 Oestrogen 46 diabetic mice 46 Erythropoietin 46 transplanted tissue 46 neural tissue 46 spermatozoa 46 reproductive hormones 46 testosterone 46 ovary 46 spermatogenesis 46 peripheral tissues 46 gall bladders 46 germ cells 46 liver 46 polycystic ovarian syndrome 45 Embryos 45 kidneys lungs 45 fibroblast cells 45 Plastination 45 teratomas 45 lab rats 45 thyroid hormones 45 leptin 45 naturally occurring hormone 45 transplanted stem cells 45 Urine samples 45 pregnant mares 45 arterial blockage 45 ovarian function 45 hair follicles 45 parasitic worms 45 hES cells 45 tissue 45 myoblasts 45 hormone testosterone 45 follicles 45 diabetic rats 45 oestrogens 45 transplanted kidneys 45 prolactin 45 premature menopause 45 neurotransmitter serotonin 45 genetically altered mice 44 cardiac hypertrophy 44 pancreas 44 endocannabinoids 44 mice genetically engineered 44 stem cells 44 sex hormone testosterone 44 cannabinoid receptors 44 organs 44 hormones estrogen 44 pancreatic cells 44 abnormal growths 44 embryos 44 mutant mice 44 spinal cords 44 benign prostate 44 teratoma 44 estrogen 44 ovarian tissue 44 reproductive disorders 44 neuropeptides