Polarised light macrophotograph of cod liver oil capsules. It is obtained from the liver of fresh cod and represents a valuable source of vitamin A and D. These vitamins are also present in dairy produce and vitamin A in green vegetables and carrots. Vitamin D deficiency causes osteomalacia (bone softening) in adults while vitamin A deficiency produces defective vision in dim light and thickening and hardening of the skin | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Burgess, Dr. Jeremy |
Taille de l’image : | 3676 px × 2480 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |