コロンブスの卵[koronbusunotamago] Columbus' egg
一卵性双生児[ichiranseisouseiji] identical twins
介卵[kairan] bearing an egg (biology)
乾燥卵[kansoutamago] dehydrated eggs
鶏卵[keiran] hens egg

産卵[sanran] egg-laying
産卵口[sanrankou] vulva
蚕卵[sanran] silkworm egg
蚕卵紙[sanranshi] silkworm-egg paper
受精卵[juseiran] fertilized eggs

営巣[eisou] building a nest
炎症病巣[enshoubyousou] inflamed part
燕巣[ensou] swift's nest (used to make bird's nest soup)
帰巣性[kisousei] homing instinct
空巣狙い[akisunerai] prowler

古巣[furusu] old haunts
精巣[seisou] testicle
青懸巣[aokakesu] blue jay (Cyanocitta cristata)
鼠巣[sosou] rat's nest

胃癌[igan] stomach cancer
癌腫[ganshu] carcinoma
黒色癌[kokushokugan] melanocarcinoma
乳癌[nyuugan] breast cancer
発癌[hatsugan] cancer causing

発癌性[hatsugansei] carcinogenic
肺癌[haigan] lung cancer
制癌剤[seiganzai] anti-cancer (cancer-inhibiting) drug
舌癌[zetsugan] cancer of the tongue