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Descriptor English: Vitamin B 12
Descriptor Spanish: Vitamina B 12
Descriptor vitamina B 12
Entry term(s) cianocobalamina
cobalamina
vitamina B12
Scope note: Compuesto de coordinación que contiene cobalto producido por los micro-organismos intestinales y que se halla también en el suelo y en el agua. Los vegetales superiores no concentran la vitamina B 12 del suelo y por tanto son una pobre fuente de esta sustancia en comparación con los tejidos animales.
Descriptor Portuguese: Vitamina B 12
Descriptor French: Vitamine B12
Entry term(s): B 12, Vitamin
B12, Vitamin
Cobalamin
Cobalamins
Cyanocobalamin
Eritron
Vitamin B12
Tree number(s): D03.383.129.578.840.437.777
D03.633.400.909.437.777
D04.345.783.437.777
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D014805
Scope note: A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12.
Annotation: therapeutic use: coordinate disease with /drug ther, not /diet ther
Allowable Qualifiers: AA analogs & derivatives
AD administration & dosage
AE adverse effects
AG agonists
AI antagonists & inhibitors
AN analysis
BI biosynthesis
BL blood
CF cerebrospinal fluid
CH chemistry
CL classification
CS chemical synthesis
EC economics
GE genetics
HI history
IM immunology
IP isolation & purification
ME metabolism
PD pharmacology
PH physiology
PK pharmacokinetics
PO poisoning
RE radiation effects
SD supply & distribution
ST standards
TO toxicity
TU therapeutic use
UR urine
Entry Combination: deficiency:Vitamin B 12 Deficiency
Pharm Action: Vitamin B Complex
Registry Number: P6YC3EG204
CAS Type 1 Name: Vitamin B12
Related: Schilling Test MeSH
DeCS ID: 15204
Unique ID: D014805
NLM Classification: QU 194
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2016/06/01
Vitamin B 12 - Preferred
Concept UI M0022794
Scope note A cobalt-containing coordination compound produced by intestinal micro-organisms and found also in soil and water. Higher plants do not concentrate vitamin B 12 from the soil and so are a poor source of the substance as compared with animal tissues. INTRINSIC FACTOR is important for the assimilation of vitamin B 12.
Preferred term Vitamin B 12
Entry term(s) B 12, Vitamin
B12, Vitamin
Cyanocobalamin
Vitamin B12
Cobalamins - Narrower
Concept UI M0022795
Preferred term Cobalamins
Entry term(s) Cobalamin
Eritron - Narrower
Concept UI M0373269
Preferred term Eritron



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