chemical mediation
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2020 ◽  
Vol 46 (4) ◽  
pp. 397-409 ◽  
Author(s):  
Bruce Schoelitsz ◽  
Victor Mwingira ◽  
Leonard E. G. Mboera ◽  
Hans Beijleveld ◽  
Constantianus J. M. Koenraadt ◽  
...  

2020 ◽  
pp. 339-363 ◽  
Author(s):  
Charles D. Amsler ◽  
James B. McClintock ◽  
Bill J. Baker
Keyword(s):  

2019 ◽  
Vol 32 ◽  
pp. 98-103 ◽  
Author(s):  
Annika S Nelson ◽  
Nalleli Carvajal Acosta ◽  
Kailen A Mooney

2018 ◽  
Vol 5 (1) ◽  
pp. 77-82
Author(s):  
Julio Conchado Martínez ◽  
Robert Alvarez Ochoa ◽  
Gabriela Cordero Cordero ◽  
Fausto Gutiérrez Ortega ◽  
Francisco Terán Palacios

El estrés constituye uno de los problemas de salud más generalizado actualmente. Con el objetivo de determinar la influencia del estrés académico (EA) sobre los niveles de cortisol, se realizó un estudio descriptivo transversal que incluyó 113 estudiantes (49 hombres y 64 mujeres) del primer ciclo de medicina de la Sede Azogues de la Universidad Católica de Cuenca, a los cuales se aplicó el inventario SISCO al concluir el último examen final, procediendo posteriormente a extraer muestra de sangre para la determinación de los valores de cortisol. Los principales resultados muestran que el total de estudiantes tuvieron niveles medio (13.3% hombres, 15.9% mujeres) y alto (30.1% hombres, 40.7% mujeres) de EA. El nivel de EA alto se presentó en un porcentaje significativamente superior de estudiantes y en mujeres. Los valores de cortisol fueron significativamente más elevados en los hombres que en las mujeres en el nivel de EA medio y similares en el alto. En ambos géneros y en general los estudiantes con niveles de EA alto presentaron valores de cortisol significativamente más elevados. Concluyendo, la totalidad de los estudiantes manifiestan niveles medios y altos de EA, constituyendo el cortisol una hormona cuyo incremento desempeña mediación química clave en la respuesta al mismo. ABSTRACT Stress is one of the most widespread health problems today. The main objective of this research was to determine the relation between levels of academic stress (AE) perceived and the concentrations of cortisol in blood, a cross-sectional descriptive study was carried out that included 113 students (49 men and 64 women) from the first cycle of medicine at the Catholic University of Cuenca (UCACUE)-Ext. Azogues, to which the SISCO inventory was applied at the conclusion of the last final examination, proceeding subsequently to extract a blood sample for the determination of cortisol values. The main results show that the total of students had average levels (13.3% men, 15.9% women) and high (30.1% men, 40.7% women) of academic stress. The high level of academic stress was presented in a significantly high percentage of students and in female gender. Cortisol values were significantly higher in men than in women at the level of average academic stress and similar in the high level. In both genders and in general, students with high academic stress levels had significantly higher cortisol values. In conclusion, all the students manifest medium and high levels of academic stress, being cortisol a hormone whose increase plays a key chemical mediation in response to stress.      


2017 ◽  
Vol 34 (6) ◽  
pp. 644-676 ◽  
Author(s):  
L. Bornancin ◽  
I. Bonnard ◽  
S. C. Mills ◽  
B. Banaigs

Some diterpenoid compounds protect the sacoglossansElysiasp. andCyerce nigricansfrom their carnivorous predator the dorid nudibranch,Gymnodorissp., unlike chemically unprotected gastropods that are consumed by this voracious nudibranch (photo Philippe Bourseiller).


2016 ◽  
pp. 1-21
Author(s):  
Bertrand Schatz ◽  
Doyle McKey ◽  
Thierry Pérez
Keyword(s):  

2015 ◽  
Vol 5 (1) ◽  
Author(s):  
J. Tebben ◽  
C. A Motti ◽  
Nahshon Siboni ◽  
D. M. Tapiolas ◽  
A. P. Negri ◽  
...  

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