暗涙[anrui] silent tears
暗涙に咽ぶ[anruinimusebu] to shed silent tears
感涙[kanrui] tears of gratitude
嬉し涙[ureshinamida] happy tears
空涙[soranamida] crocodile tears

血も涙も無い[chimonamidamonai] cold-blooded
血涙[ketsurui] tears of blood
紅涙[kourui] feminine tears
催涙ガス[sairuigasu] tear gas
催涙銃[sairuijuu] tear-gas gun

汗腺[kansen] sweat gland
甲状腺[koujousen] thyroid gland
性腺摘除[seisentekijo] castration
生殖腺[seishokusen] gonad
腺様[senyou] adenoid

前立腺[zenritsusen] prostate gland
内分泌腺[naibunpisen] endocrine gland
乳腺[nyuusen] mammary gland
扁桃腺[hentousen] tonsils