Growth of the porcine eye lens as an index to chronological age.
D000375:Aging; D000818:Animals; D005260:Female; D007908:Lens, Crystalline / Q000254:growth & development*; D008297:Male; D009584:Nitrogen / Q000032:analysis; D012723:Sex; D013552:Swine / Q000254:growth & development*
D009584:Nitrogen