Related by context. Frequent words. (Click for all words.) 77 hair follicles 74 follicle 64 hair follicle 63 ovaries 61 epidermis 58 testes 57 ovary 57 collagen 56 fibroblasts 56 breast tissue 56 progenitor cells 55 ovulation 54 blood vessels 54 flower buds 53 glands 53 tumors 53 neurons 53 malignant cells 52 nerve cells 52 gland 52 tumor cells 52 stem cells 52 melanin 52 tissues 52 adipose tissue 51 sperm 51 cancerous cells 51 tissue 51 neural stem cells 51 lymphocytes 51 cysts 50 muscle fibers 50 cortex 50 islet cells 50 embryo 50 endothelial cells 50 pigmentation 50 epithelial cells 50 apoptosis 49 fallopian tubes 49 hormone 49 fatty tissue 49 pancreas 49 melanomas 49 reproductive organs 49 lesions 49 muscle tissue 49 hormones 48 cells 48 embryos 48 buds 48 salivary glands 48 tumor 48 uterus 48 neuron 48 nerve fibers 48 androgens 47 fibroids 47 menstrual cycle 47 breast tumors 47 hairs 47 serum 47 axons 47 immune cells 47 capillaries 47 ovarian 47 genes 47 pores 47 androgen 47 grafts 47 cerebellum 46 nerve endings 46 pituitary gland 46 nuclei 46 Tumors 46 pubic hair 46 thyroid hormone 46 mitochondria 46 fruiting 46 cornea 46 cortisol 46 malignant tumors 46 astrocytes 46 larvae 46 cilia 45 motor neurons 45 mammalian cells 45 secretions 45 clots 45 neutrophils 45 cuticle 45 estradiol 45 livers 45 dendritic cells 45 estrogen 45 cancerous tissue 45 mRNA 45 proteins 45 X chromosome 45 hormonal 45 mice