Data/hora: 09/06/2024 09:37:41

Provedor de dados: | 97
País: | Chile
Título: | Body mass and body weight: a dual reference system in biology
Autores: | GÜNTHER,BRUNO; MORGADO,ENRIQUE.
Data: | 2003-03-01
Ano: | 2003
Palavras-chave: | Dimensional analysis; Biological similarity; Allometry; Biological time; Fetal life; Space physiology.
Resumo: | ABSTRACT The aim of the present study was to compare two different biological similarity criteria, one was based on body mass (M) as a theoretical reference system in accordance with the MLT-system of physics, while the other utilized the body weight (W) for the same purpose. The mass-dependent allometry should be applied during space flights as well as during fetal and newborn conditions of life, whereas the weight-dependence should prevail in earth-bound physiology. The above mentioned distinctions are relevant not only for the specific metabolic rates but also for numerous biological time functions, as for instance for the heart and respiratory rates of all mammals, whose allometric exponent is b = - 0.09 during fetal life, and b = - 0.25 in all adult specimens.
Tipo: | Journal article
Idioma: | Inglês
Identificador: | http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-078X2003000100006
Editor: | Sociedad de Biología de Chile
Formato: | text/html
Fonte: | Revista chilena de historia natural  v.76 n.1 2003