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Descriptor English: Baroreflex
Descriptor Spanish: Barorreflejo
Descriptor barorreflejo
Entry term(s) reflejo barorreceptor
Scope note: Respuesta de los BARORRECEPTORES a un aumento de la PRESIÓN SANGUÍNEA. Un aumento de la presión estira los VASOS SANGUÍNEOS, lo que activa los barorreceptores en las paredes vasculares. La respuesta neta del SISTEMA NERVIOSO CENTRAL es una reducción del flujo de salida central simpático. Se reduce así la presión sanguínea al disminuir la RESISTENCIA VASCULAR y al disminuir el GASTO CARDÍACO. Al ser tónicamente activos los barorreceptores, el barorreflejo puede compensar rápidamente los aumentos y las disminuciones de la presión sanguínea.
Descriptor Portuguese: Barorreflexo
Descriptor French: Baroréflexe
Entry term(s): Baroreceptor Reflex
Baroreceptor Reflexes
Baroreflexes
Reflex, Baroreceptor
Reflexes, Baroreceptor
Tree number(s): G09.330.380.057
G11.561.731.063
RDF Unique Identifier: https://id.nlm.nih.gov/mesh/D017704
Scope note: A response by the BARORECEPTORS to increased BLOOD PRESSURE. Increased pressure stretches BLOOD VESSELS which activates the baroreceptors in the vessel walls. The net response of the CENTRAL NERVOUS SYSTEM is a reduction of central sympathetic outflow. This reduces blood pressure both by decreasing peripheral VASCULAR RESISTANCE and by lowering CARDIAC OUTPUT. Because the baroreceptors are tonically active, the baroreflex can compensate rapidly for both increases and decreases in blood pressure.
Allowable Qualifiers: DE drug effects
ES ethics
GE genetics
IM immunology
PH physiology
RE radiation effects
Previous Indexing: Pressoreceptors (1966-1993)
Public MeSH Note: 94
History Note: 94
DeCS ID: 31622
Unique ID: D017704
Documents indexed in the Virtual Health Library (VHL): Click here to access the VHL documents
Date Established: 1994/01/01
Date of Entry: 1992/12/28
Revision Date: 2016/06/02
Baroreflex - Preferred
Concept UI M0026768
Scope note A response by the BARORECEPTORS to increased BLOOD PRESSURE. Increased pressure stretches BLOOD VESSELS which activates the baroreceptors in the vessel walls. The net response of the CENTRAL NERVOUS SYSTEM is a reduction of central sympathetic outflow. This reduces blood pressure both by decreasing peripheral VASCULAR RESISTANCE and by lowering CARDIAC OUTPUT. Because the baroreceptors are tonically active, the baroreflex can compensate rapidly for both increases and decreases in blood pressure.
Preferred term Baroreflex
Entry term(s) Baroreceptor Reflex
Baroreceptor Reflexes
Baroreflexes
Reflex, Baroreceptor
Reflexes, Baroreceptor



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