Vitamin A
Last revised by Domenico Nicoletti ◉
on 12 Oct 2023
Citation, DOI, disclosures and article data
Citation:
Gaillard F, Nicoletti D, Bell D, et al. Vitamin A. Reference article, Radiopaedia.org (Accessed on 21 Mar 2025) https://doi.org/10.53347/rID-2275
rID:
2275
Article created:
Disclosures:
At the time the article was created Frank Gaillard had no recorded disclosures.
View Frank Gaillard's current disclosures
Last revised:
12 Oct 2023,
Domenico Nicoletti ◉
Disclosures:
At the time the article was last revised Domenico Nicoletti had no financial relationships to ineligible companies to disclose.
View Domenico Nicoletti's current disclosures
Revisions:
9 times, by
5 contributors -
see full revision history and disclosures
Systems:
Sections:
Tags:
Synonyms:
- Vitamin A related abnormality
- Vitamin A associated abnormalities
- Retinoid
- Retinoids
- Vitamin A
Vitamin A are a group of fat-soluble vitamers (the retinoids) required for many physiological functions, mainly vision, reproduction and epithelial maintenance. In the retina, a specific retinoid, 11-cis-retinal, is formed by photoisomerisation within the rods and cones. The retinoids are haematinics.
Related pathology
Pathological manifestations can occur with both excess and deficiency:
References
- 1. Miller JH, Hayon II. Bone scintigraphy in hypervitaminosis A. AJR Am J Roentgenol. 1985;144 (4): 767-8. AJR Am J Roentgenol (citation) - Pubmed citation
- 2. Pennes DR, Ellis CN, Madison KC et-al. Early skeletal hyperostoses secondary to 13-cis-retinoic acid. AJR Am J Roentgenol. 1984;142 (5): 979-83. AJR Am J Roentgenol (abstract) - Pubmed citation
- 3. Pamela C. Champe, Richard A. Harvey (Ph. D.), Denise R. Ferrier. Biochemistry. ISBN: 0781769604
Incoming Links
Articles:
- Caffey disease
- Hepatic stellate cells
- Haematinics
- Thyroid acropachy
- Diffuse idiopathic skeletal hyperostosis
- Long bone metaphyseal cupping (differential)
- Hypertrophic osteoarthropathy
- Vitamins
- Hypovitaminosis A
- Idiopathic intracranial hypertension
- Medical abbreviations and acronyms (A)
- Premature closure of a growth plate (differential)
- Generalised increased bone density in children
- Hypervitaminosis A
- Physeal arrest
Related articles: Biochemistry
-
chemical elements
- basic organic elements
- essential bulk elements
- essential trace elements
-
non-essential elements
- alkaline earth metals
- halogens
- heavy metals
-
noble gases
- helium
- neon
- argon
- krypton
- xenon
- radon
- carbohydrates
- fats
- proteins
- nucleic acids
- tumour markers
- serum
- autoantibodies
- faeces
- vitamins
- haematinics
Unable to process the form. Check for errors and try again.