Related by context. Frequent words. (Click for all words.) 70 dermis 65 hair follicles 63 skin 62 collagen 61 follicle 61 epithelium 61 follicles 59 hair follicle 59 cuticle 57 epithelial cells 57 nerve endings 56 fibroblasts 56 dermal 55 muscle tissue 54 nerve cells 54 capillaries 54 outer layer 53 melanin 53 testis 53 mucous membranes 53 connective tissue 53 nerve fibers 53 fatty tissue 52 keratin 52 glands 52 tissue 52 muscle fibers 52 membrane 52 tissues 52 flower buds 51 GI tract 51 cuticles 51 melanocytes 51 cortex 51 gland 51 malignant cells 51 elastin 51 tumor cells 51 salivary glands 51 pigmentation 51 sweat glands 51 epithelial 51 cells 50 digestive tract 50 vasculature 50 germ cells 50 blood vessels 50 neurons 50 cell membrane 50 exfoliate 50 cancerous cells 50 cell membranes 50 axons 50 reactive oxygen species 49 endothelial cells 49 testes 49 cytoplasm 49 uterus 49 monocytes 49 ultraviolet light 49 pores 49 ovaries 49 mammalian cells 49 vagina 49 glutathione 49 endothelial 49 glial cells 48 nasal cavity 48 outer layers 48 diseased cells 48 cerebellum 48 lymphocytes 48 synapse 48 pigmented 48 neurones 48 intestinal tract 48 reproductive organs 48 mesenchymal stem cells 48 retina 48 enzymatic 48 redness 47 biofilm 47 progenitor cells 47 gastrointestinal tract 47 neutrophils 47 vesicles 47 membranes 47 macrophage 47 cornea 47 secretion 47 lesions 47 immune cells 47 mitochondria 47 motor neurons 47 ovary 47 hyaluronic acid 47 mucosal 46 prostate gland 46 soft tissues 46 UV light 46 circulatory system