Related by context. Frequent words. (Click for all words.) 56 spleen 47 retinas 46 cysts 46 prostates 45 mammary glands 44 glands 44 epithelium 43 tonsils 43 salivary glands 43 colons 43 lymph glands 42 beaks 42 testes 42 abscesses 42 testicles 42 pus 42 insides 42 gonads 41 gland 41 spines 41 digestive tracts 41 mucosa 41 air sacs 41 livers 41 entrails 41 swollen lymph nodes 40 swellings 40 sacs 40 sweat glands 40 penises 40 cerebrospinal fluid 40 rumps 40 ascites 40 ovaries 40 skulls 40 lesions 40 transgenic mice 39 resected 39 testis 39 stomachs 39 scrotum 39 surgically 39 diseased 39 bile 39 ulcerated 39 cyst 39 eye sockets 39 bladders 39 nasal passage 39 distain 39 lymph node 38 prostate tissue 38 testicular 38 testicle 38 noses 38 intestines 38 urinary bladder 38 nostrils 38 deficient mice 38 innards 38 cranium 38 articular cartilage 38 fatty tissue 37 nerve endings 37 abdomens 37 molar 37 udders 37 adenoids 37 adenoma 37 puss 37 salivary gland 37 hair follicles 37 appendages 37 vulva 37 disgust 37 adipose tissue 37 mice 37 incisors 37 surgically removed 37 toenails 36 noggins 36 lung tissue 36 disdain 36 mutant mice 36 milk ducts 36 bellies 36 cancerous growths 36 tracheal 36 tissue 36 snouts 36 lymph nodes 36 mandible 36 biopsied 36 vaginas 36 toenail 36 myocardium 36 parasites 36 tonsil 36 tissues 36 tummies 36 pancreas