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Descriptor English:   Erythrocyte Aggregation 
Descriptor Spanish:   Agregación Eritrocitaria 
Descriptor Portuguese:   Agregação Eritrocítica 
Synonyms English:   Agglutination, Intravascular
Agglutinations, Intravascular
Aggregation, Erythrocyte
Aggregation, Intravascular Erythrocyte
Aggregations, Erythrocyte
Aggregations, Intravascular Erythrocyte
Erythrocyte Aggregation, Intravascular
Erythrocyte Aggregations
Erythrocyte Aggregations, Intravascular
Erythrocyte Rouleaux Formation
Erythrocyte Rouleaux Formations
Formation, Erythrocyte Rouleaux
Formations, Erythrocyte Rouleaux
Intravascular Agglutination
Intravascular Agglutinations
Intravascular Erythrocyte Aggregation
Intravascular Erythrocyte Aggregations
Rouleaux Formation, Erythrocyte
Rouleaux Formations, Erythrocyte  
Tree Number:   E01.370.225.625.225
Definition English:   The formation of clumps of RED BLOOD CELLS under low or non-flow conditions, resulting from the attraction forces between the red blood cells. The cells adhere to each other in rouleaux aggregates. Slight mechanical force, such as occurs in the circulation, is enough to disperse these aggregates. Stronger or weaker than normal aggregation may result from a variety of effects in the ERYTHROCYTE MEMBRANE or in BLOOD PLASMA. The degree of aggregation is affected by ERYTHROCYTE DEFORMABILITY, erythrocyte membrane sialylation, masking of negative surface charge by plasma proteins, etc. BLOOD VISCOSITY and the ERYTHROCYTE SEDIMENTATION RATE are affected by the amount of erythrocyte aggregation and are parameters used to measure the aggregation. 
Indexing Annotation English:   coord with disease /blood, not disease /physiopathol; do not confuse with DISSEMINATED INTRAVASCULAR COAGULATION; DF: ERYTHROCYTE AGGREGATION INTRAVASC
See Related English:   Hemorheology
History Note English:   1976 
Allowable Qualifiers English:  
DE drug effects ES ethics
GE genetics IM immunology
PH physiology RE radiation effects
Record Number:   4990 
Unique Identifier:   D004903 

Occurrence in VHL: