Related by context. Frequent words. (Click for all words.) 67 ovaries 64 testis 62 germ cells 60 reproductive organs 59 testicles 58 ovary 58 gonads 58 follicles 57 breast tissue 57 gland 56 testicular 56 thymus 56 prostate gland 56 sperm 55 hair follicles 55 oocyte 54 mouse embryos 54 fatty tissue 54 mitochondria 54 oocytes 54 adrenal gland 54 glands 53 adipose tissue 53 sweat glands 52 scrotum 52 fibroblasts 52 pancreas 52 adrenal glands 51 follicle 51 pituitary gland 51 uterus 51 skeletal muscles 51 tumors 50 hormone 50 internal organs 50 plasma membrane 50 estrogen receptors 50 mice 50 melanocytes 50 osteoblasts 50 cysts 50 cerebellum 50 epithelium 50 muscle tissue 49 androgens 49 epidermis 49 thyroid hormone 49 endometrium 49 urethra 49 hormones 49 testicle 49 pancreatic cells 49 subcutaneous fat 49 muscle fibers 49 motility 49 nerve cells 49 cochlea 49 salivary glands 49 hypothalamus 49 placental 48 retinal cells 48 tumor cells 48 epithelial cells 48 pituitary 48 cortex 48 sperms 48 intestine 48 neurons 48 tissues 48 cardiomyocytes 48 prolactin 48 hormone estrogen 48 chromosomes 48 genetically programmed 48 breast tumors 48 cells 48 adiponectin 48 progenitor cells 48 thyroid hormones 48 zebrafish 47 androgen 47 glial cells 47 nerve fibers 47 ovarian 47 hematopoietic stem cells 47 hair follicle 47 organelles 47 cytoplasm 47 neural stem cells 47 ventral 47 genitalia 47 lung tumors 47 skeletal muscle 47 cerebrospinal fluid 47 cilia 47 reactive oxygen species 46 bone marrow stem cells 46 diseased tissue 46 X chromosome 46 stem cells 46 ovulate