Results 61 to 70 of about 1,903 (197)

Parasitemia constante durante 24 horas consecutivas na infecção experimental pelo Trypanosoma cruzi

open access: yesRevista da Sociedade Brasileira de Medicina Tropical, 1984
Observou-se aparasitemia horária do Trypanosoma cruzi através de hemoscopias e de xenodiagnósticos horários, em camundongos na fase aguda da infecção e em cobaias e camundongos na fase crônica. O número de T.
Ítalo A. Sherlock
doaj   +1 more source

Modelagem de Sistemas Biológicos: Ritmo Circadiano

open access: yes, 2016
O ritmo circadiano governa a maioria das atividades inconscientes de todos os seres vivos. Alterações prolongadas oriundas de influências externas, como dor crônica, podem causar desajustes em diversas funções importantes do corpo humano.
Glaeser, Stefânia da Silveira
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Alimentación de camarones en relación a la actividad enzimática como una respuesta natural al ritmo circadiano y ciclo de muda [PDF]

open access: yes, 2000
Alimentación de camarones en relación a la actividad enzimática como una respuesta natural al ritmo circadiano y ciclo de ...
Cadena, Eduardo   +2 more
core  

Ritmos y relojes circadianos de las plantas

open access: yesEcosistemas, 2003
Las plantas necesitan coordinar toda su fisiología, y por ende su reproducción, con la información del ambiente que las rodea. Los ritmos biológicos permiten a las plantas anticiparse a ciertas condiciones exteriores cambiantes como luz y temperatura.
Juan Capel   +3 more
openaire   +2 more sources

Sueño normal y patológico.

open access: yesRevista de la Asociación Española de Neuropsiquiatría, 1987
En este artículo se realiza una revisión bibliográfica, del sueño normal y del sueño patológico en el sujeto adulto. Se ha pretendido ofrecer una visión panorámica, de las bases neurofisiológicas del sueño, del concepto de ritmo circadiano, de la ...
María Rosa Peraita Adrados
doaj  

TOTAL CHOLESTEROL, HIGH DENSITY LIPOPROTEINS (HDL) AND CORTISOL PLASMA LEVELS, AND THEIR BIORHYTMICITY, IN 24 HOURS, THROUGHOUT YEAR, IN IDEAL-POLWARTH RAMS NÍVEIS PLASMÁTICOS DE COLESTEROL TOTAL, LIPOPROTEÍNAS DE ALTA DENSIDADE (HDL) E CORTISOL, E SUA BIORRITMICIDADE, EM CARNEIROS IDEAL-POLWARTH

open access: yesCiência Animal Brasileira, 2006
To evaluate the mean plasma concentrations of total cholesterol (TC), high density lipoproteins (HDL) and cortisol, blood samples were collected of five Ideal-Polwarth rams, maintained at 22?53’S latitude, in semi-confinement, every two months throughout
Alcides de Amorim Ramos   +3 more
doaj  

CYCLIC VARIATIONS OF CORTISOL, TRIIODOTYRONINE (T3) AND TYROXINE (T4) ON BEFORE AND AFTER PARTURITION OF QUARTER HORSE MARES VARIAÇÕES CÍCLICAS DO CORTISOL, TRIIODOTIRONINA (T3) E TIROXINA (T4) NO PERIPARTO DE ÉGUAS DA RAÇA QUARTO DE MILHA

open access: yesCiência Animal Brasileira, 2008
<span><p align="justify">This study was designed to evaluate changes in plasma concentrations of cortisol (Cs), triiodothyronine (T3) and thyroxine (T4), as well as their circadian rhythm during peripartal period of Quarter Horse mares ...
João Teodoro Pádua   +3 more
doaj  

Genética molecular dos ritmos circadianos em insetos vetores

open access: yesRevista da Biologia, 2012
The majority of living organisms present an endogenous pacemaker, known as the circadian clock, responsible for driving rhythmic oscillations in their physiology and behaviour with a period of approximately 24 hours. In insects, the genetic bases of this mechanism have been elucidated in the model species Drosophila melanogaster.
openaire   +1 more source

Construction of a biological rhythm assessment scale for children

open access: yesTrends in Psychiatry and Psychotherapy
Introduction Biological rhythm is associated with the level of alertness, cognitive performance and mood of the individuals. Its regularity is essential to preserve good health and quality of life.
Thierry Berny   +8 more
doaj   +1 more source

Impacto de un curso electivo sobre ritmo circadiano y salud

open access: yes, 2023
Background: the analysis of the impact of teaching management is a requirement of university social responsibility.Objective: to analyze the impact of the elective course Circadian Rhythm and Health, through the appreciation of the students, in the ...
Pomares Bory, Eduardo de Jesús   +2 more
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