Tear duct size differences of age, sex and race.
D000328:Adult; D000367:Age Factors; D000368:Aged; D000717:Anatomy, Comparative; D044383:Black People; D005260:Female; D006801:Humans; D007765:Lacrimal Apparatus / Q000033:anatomy & histology*; D008297:Male; D008875:Middle Aged; D044469:Racial Groups; D012737:Sex Factors; D044465:White People