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Efeitos da desconexão hipotalâmica aguda e crônica sobre as respostas pressoras induzidas pela injeção central de salina hipertônica, carbacol e angiotensina II em ratos.
(Universidade Federal de São Carlos, 2005-09-24)
Several anatomical and functional studies have demonstrated that the paraventricular nucleus of the hypothalamus (PVN) constitutes a neuroendocrine center. The PVN is intimately related to the regulation of the sympathetic ...
Contribuição relativa do cálcio extracelular e do retículo sarcoplasmático para o desenvolvimento de força de contração cardíaca de jeju, Hoplerythrinus unitaeniatus.
(Universidade Federal de São Carlos, 2005-12-19)
The present study anlyzed the in vivo and in vitro responses of the ventricular myocardium obtained from Hoplerythrinus unitaeniatus acclimated and tested at 25 ºC. The in vivo heart rate (fH bpm) was obtained (ECG ...
Efeito da simpatectomia provocada pela guanetidina sobre fêmures de ratas castradas.
(Universidade Federal de São Carlos, 2005-09-16)
The bone sympathetic innervation influences the osteoblastic activity and supports the participation of Autonomic Nervous System on the bone formation regulation. Treatment with
guanetidine promotes denervation of the ...
Papel dos receptores 5-HT2 da amígdala e hipocampo na modulação da ansiedade em camundongos expostos ao labirinto em cruz elevado.
(Universidade Federal de São Carlos, 2005-09-02)
It has been demonstrated that serotonin (5HT) plays a dual role on anxiety states. Depending on the type of 5HT receptor and cerebral sites serotonin increases or decreases anxiety. Several studies have emphasized a role ...
Sensibilidade comportamental cruzada entre anfetamina e nicotina induzida na adolescência persiste até a idade adulta.
(Universidade Federal de São Carlos, 2005-06-06)
Behavioral sensitization is a progressive and enduring enhancement of the motor stimulant effects of psychostimulants and other drugs of abuse, elicited by repeated administration of these drugs. This phenomenon has been ...
Efeitos da lesão do núcleo do trato solitário comissural sobre a ingestão de água e sólido.
(Universidade Federal de São Carlos, 2005-11-11)
The central nervous system (CNS) has an important function in the regulation of
homeostatic mechanisms controlling the volemia and osmolality of the body fluid. The
nucleus of the tract solitary (NTS) is the primary site ...
Efeito da simpatectomia química sobre as vértebras de ratas osteopênicas induzidas pela ovariectomia
(Universidade Federal de São Carlos, 2005-11-22)
Osteoporosis is a pathology that afflicts mainly postmenopausal women, consequently this disorder generates severe social and economic consequences. This disease is characterized by low bone mass (osteopenia) and bone ...
Importância da região AV3V para as respostas pressoras produzidas pela ativação de áreas bulbares
(Universidade Federal de São Carlos, 2005-03-21)
Cardiovascular responses are integrated at different levels of the central
nervous system (CNS). Particularly the hypothalamus and brainstem areas are
involved in the control of autonomic responses and among them the ...
Alterações bioquímicas e cardio-respiratórias de Tilápia do Nilo (Oreochromis niloticus) frente à exposição sub-letal ao sulfato de cobre.
(Universidade Federal de São Carlos, 2005-09-23)
The present study evaluated the biochemical, hematological and cardio-respiratory responses of Nile tilapia (Oreochromis niloticus) to copper sulfate (CuSO4). A group of fish (T2; n = 8) was exposed to 50% of a CL50 (48 ...