BARORECEPTOR REFLEX
\bˈaɹɔːsˌɛptə ɹˈiːflɛks], \bˈaɹɔːsˌɛptə ɹˈiːflɛks], \b_ˈa_ɹ_ɔː_s_ˌɛ_p_t_ə ɹ_ˈiː_f_l_ɛ_k_s]\
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A negative feedback system which buffers short-term changes in blood pressure. Increased pressure stretches blood vessels which activates PRESSORECEPTORS (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.
By DataStellar Co., Ltd
Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.
Nearby Words
- barony
- barony of land
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- baroqueness
- baroreceptor
- Baroreceptor Reflex
- baroreceptor reflexes
- baroreceptors
- baroreflex
- baroreflexes
- baros