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Descriptor in English: Blood
Descriptor in Spanish: Sangre
Descriptor in Portuguese: Sangue
Descriptor in French: Sang
Tree number(s): A12.207.152
A15.145
Scope note: The body fluid that circulates in the vascular system (BLOOD VESSELS). Whole blood includes PLASMA and BLOOD CELLS.
Annotation: general only as a substance: prefer / blood with higher animals, substances & diseases: Manual 19.7+, 19.8.10; not for hemodynamics: Manual 23.28, 23.29; reinfusion = BLOOD TRANSFUSION, AUTOLOGOUS; venous blood: coordinate BLOOD + VEINS or specific vein but do not index here for routine blood samples; arterial blood: coordinate BLOOD + ARTERIES or specific artery but only if the arterial aspect is significant; "blood picture" = probably BLOOD CELLS or BLOOD CELL COUNT; "blood clot": physiol clot or clotting = BLOOD COAGULATION, pathologic clot or clotting = THROMBOSIS or EMBOLISM
Allowable Qualifiers: DE drug effects
DG diagnostic imaging
IM immunology
ME metabolism
MI microbiology
PS parasitology
RE radiation effects
VI virology
See also the descriptors: Hematopoiesis MeSH
Occult Blood MeSH
DeCS UI: 1794
Descriptor UI: D001769
Date Established: 1966/01/01
Date of Entry: 1999/01/01
Revision Date: 2018/06/29
Blood - Preferred
Concept UI M0002669
Scope note The body fluid that circulates in the vascular system (BLOOD VESSELS). Whole blood includes PLASMA and BLOOD CELLS.
Preferred term Blood



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