Sensitivity of different tissues to vitamin A deficiency and to the prophylactic action of the vitamin.
D006801:Humans; D008526:Medulla Oblongata / Q000473:pathology*; D009301:Nasolacrimal Duct / Q000473:pathology*; D014070:Tooth; D014802:Vitamin A Deficiency; D014815:Vitamins
D014815:Vitamins
MEDULLA OBLONGATA/pathology; NASOLACRIMAL DUCT/pathology; TEETH; VITAMIN A DEFICIENCY/experimental