Search on: RETINALDEHYDE 
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Descriptor English:   Retinaldehyde 
Descriptor Spanish:   Retinaldehído 
Descriptor Portuguese:   Retinaldeído 
Synonyms English:   Axerophthal
Retinal
Retinene
Vitamin A Aldehyde  
Tree Number:   D02.047.850
D02.455.326.271.665.202.495.690
D02.455.426.392.368.367.379.249.700.690
D02.455.849.131.495.690
D23.767.261.700.690
Definition English:   A carotenoid constituent of visual pigments. It is the oxidized form of retinol which functions as the active component of the visual cycle. It is bound to the protein opsin forming the complex rhodopsin. When stimulated by visible light, the retinal component of the rhodopsin complex undergoes isomerization at the 11-position of the double bond to the cis-form; this is reversed in "dark" reactions to return to the native trans-configuration. 
Indexing Annotation English:   /biosyn /physiol permitted
History Note English:   91(75); was see under RETINOIDS 1984-90; was see under VITAMIN A 1968-83 
Allowable Qualifiers English:  
analogs & derivatives administration & dosage
adverse effects agonists
antagonists & inhibitors analysis
biosynthesis blood
cerebrospinal fluid chemistry
classification chemical synthesis
contraindications deficiency
diagnostic use economics
genetics history
immunology isolation & purification
metabolism pharmacology
physiology pharmacokinetics
poisoning radiation effects
supply & distribution secretion
standards toxicity
therapeutic use urine
Record Number:   12588 
Unique Identifier:   D012172 

Occurrence in VHL:
 

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