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Mu and kappa opioid receptors of the periaqueductal gray stimulate and inhibit thermogenesis, respectively, during psychological stress in rats
(Pflugers Archiv-european Journal Of Physiology, 2017-09-01) [Artigo]
The periaqueductal gray matter (PAG) is rich in mu and kappa opioid receptors, and this system is involved in thermoregulation, analgesia, and defensive behaviors. No study approached the involvement of the PAG opioids in ...
Baroreflex regulation affects ventilation in the cururu toad Rhinella schneideri
(Journal Of Experimental Biology, 2016-11-15) [Artigo]
Anurans regulate short-term oscillations in blood pressure through changes in heart rate (f(H)), vascular resistance and lymphatic f(H). Lung ventilation in anurans is linked to blood volume homeostasis by facilitating ...
Temperature effects on baroreflex control of heart rate in the toad, Rhinella schneideri
(Comparative Biochemistry and Physiology. Part A, Molecular & Integrative Physiology, 2015) [Artigo]
For an adequate blood supply to support metabolic demands, vertebrates regulate blood pressure to maintain sufficient perfusion to avoid ischemia and other tissue damage like edema. Using a pharmacological approach ...