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ERYTHROCYTE AGGREGATION, INTRAVASCULAR
Descriptors Found:
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DeCS
Descriptor
English
:
Erythrocyte Aggregation
Descriptor
Spanish
:
Agregación Eritrocitaria
Descriptor
Portuguese
:
Agregação Eritrocítica
Synonyms
English
:
Erythrocyte Aggregation, Intravascular
Tree Number:
E01.370.225.625.225
E05.200.625.225
G09.188.124.552.249
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
:
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