dc.contributor.author | Al-fazzani, Marwa Abdulsalam Ali | |
dc.date.accessioned | 2019-02-27T09:27:57Z | |
dc.date.available | 2019-02-27T09:27:57Z | |
dc.date.issued | 2018-04-14 | |
dc.identifier.uri | http://repository.limu.edu.ly/handle/123456789/595 | |
dc.description | Vitamin A ,called retinel or anti-blindness vitamin active form of vitamin A in body are
retinol,retinal and retinoic acid and several provitamin A carotenoids (most notably betacarotene).have
many function , in visual cycle ; component of the visual pigments of rod and
cone cells, retina ,consists of 11-cis retinal specifically bound to the protein opsin then called
rhodopsin is exposed to light, a occur photochemical isomerization the process tirggers a
nerve impulse that is transmitted by the optic nerve to the brain ,which release of all –trans
retinal and opsin, | en_US |
dc.description.abstract | In this report I will take about vitamin A deficiency in the children and pregnancy women is
called rerinol or anti-blindness vitamin active form is three active forms of vitamin A in the
body are retinol, retinal, and retinoic acid. Sources ; in the egg yolk and milk and other
vegetables , absorption and transport of vitamin A by the liver and, release from the liver
function of vitamin A in the visual cycle ,growth , maintenance of healthy epithelial cells ,
reproduction , antioxidant activity , the uses to treatment tretinoin , isotrerinoin when have
deficiency of vitamin A that will leads to same sings and symptom in eyes and skin | en_US |
dc.language.iso | en | en_US |
dc.publisher | faculty of Basic Medical Science - Libyan International Medical University | en_US |
dc.rights | Attribution 3.0 United States | * |
dc.rights.uri | http://creativecommons.org/licenses/by/3.0/us/ | * |
dc.title | Vitamin A deficiency | en_US |
dc.type | Other | en_US |