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:  
AD administration & dosage AE adverse effects
AG agonists AA analogs & derivatives
AN analysis AI antagonists & inhibitors
BI biosynthesis BL blood
CF cerebrospinal fluid CS chemical synthesis
CH chemistry CL classification
CT contraindications DF deficiency
DU diagnostic use EC economics
GE genetics HI history
IM immunology IP isolation & purification
ME metabolism PK pharmacokinetics
PD pharmacology PH physiology
PO poisoning RE radiation effects
SE secretion ST standards
SD supply & distribution TU therapeutic use
TO toxicity UR urine
Record Number:   12588 
Unique Identifier:   D012172 

Occurrence in VHL:
 

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