The diuresis which follows the pupal-adult ecdysis of Pieris brassicae is hormonally controlled. Use of the isolated Malpighian tubules as a bioassay shows the presence of substantial diuretic activity in homogenates of the brain and corpus cardiacum-corpus allatum complex. The hormone is probably produced in the brain and released from a storage site in the corpora cardiaca. The tubules of the...

Erick Alexánderson Rosas,* Aloha Meave González, and Moisés Jiménez-Santos Departamento de Cardiologı́a Nuclear, División de Imagen Cardiovascular No Invasiva, Instituto Nacional de Cardiologı́a ‘‘Ignacio Chávez’’, Mexico City, Mexico Departamento de Resonancia Magnética y Tomografı́a Cardiaca, División de Imagen Cardiovascular No Invasiva, Instituto Nacional de Cardiologı́a ‘‘Ignacio Chávez’’, Mex...

3 Efficacy of noninvasive ventilatory support on exercise tolerance in patients with heart failure: a systematic review Eficácia do suporte ventilatório não invasivo no incremento da tolerância ao exercício em pacientes com insuficiência cardíaca: uma revisão sistemática La eficacia del soporte ventilatorio no invasivo en el aumento de la tolerancia al ejercicio en pacientes con insuficiencia c...

El COVID-19 es una infección viral producida por el SARS-CoV-2, afectando principalmente las vías respiratorias, sin embargo, se han estudiado otros órganos afectados, entre ellos sistema cardiovascular. OBJETIVO: describir principales manifestaciones cardiovasculares en los pacientes con enfermedad e identificar factores de riesgo relacionados mayor frecuencia a complicaciones COVID-19. MÉTODO...

Essential oils obtained from the NR (normal roots) and HR (hairy roots) of the medicinal plant Leonurus sibiricus root were used in this study. The essential oil compositions were detected by GC-MS. Eighty-five components were identified in total. Seventy components were identified for NR essential oil. The major constituents in NR essential oil were β-selinene (9.9%), selina-4,7-diene (9.7%), ...