Pigmentation due to vitamin B12 deficiency. Pigmentation changes around the mouth of a boy with a deficiency of vitamin B12 (cobaltamine). Vitamins are trace nutrients that form an essential part of the diet. Vitamin B12 is used in digestion and metabolism. | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library |
Bildgröße: | 8256 px × 5504 px |
Modell-Rechte: | vorhanden |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
|