MeSH Browser

MeSH Heading: Vitamin B 12
Tree Number(s): D03.383.129.578.840.437.777; D03.633.400.909.437.777; D04.345.783.437.777
Unique ID: D014805
RDF Unique Identifier: http://id.nlm.nih.gov/mesh/D014805
Annotation: therapeutic use: coordinate disease with /‌drug ther, not /‌diet ther
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.
Entry Term(s): Cobalamin; Cobalamins; Cyanocobalamin; Eritron; Vitamin B12
Pharm Action: Vitamin B Complex
Related Numbers: 68-19-9; 8406EY2OQA
CAS Type 1 Name: Vitamin B12
NLM Classification #: QU 194
See Also: Schilling Test
Entry Combination: deficiency:Vitamin B 12 Deficiency
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2016/06/01

Entry Combination: deficiency:Vitamin B 12 Deficiency
Allowable Qualifiers: administration & dosage (AD)

adverse effects (AE)

agonists (AG)

analogs & derivatives (AA)

analysis (AN)

antagonists & inhibitors (AI)

biosynthesis (BI)

blood (BL)

cerebrospinal fluid (CF)

chemical synthesis (CS)

chemistry (CH)

classification (CL)

economics (EC)

genetics (GE)

history (HI)

immunology (IM)

isolation & purification (IP)

metabolism (ME)

pharmacokinetics (PK)

pharmacology (PD)

physiology (PH)

poisoning (PO)

radiation effects (RE)

standards (ST)

supply & distribution (SD)

therapeutic use (TU)

toxicity (TO)

urine (UR)

Concept UI: M0022794
Related Numbers: 68-19-9; 8406EY2OQA
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.
Terms: Vitamin B 12 Preferred Term
Term UI T043287
Date01/01/1999
LexicalTag NON
ThesaurusID; Cyanocobalamin
Term UI T043286
Date04/08/1974
LexicalTag NON
ThesaurusID; Vitamin B12
Term UI T043288
Date04/13/1989
LexicalTag NON
ThesaurusID

Vitamin B 12 MeSH Descriptor Data 2024