Effects of environmental temperature on oxygen diffusion capacity during post-natal development in the altricial rodent, Phyllotis darwini

Canals M.; Figueroa, DP; Miranda, JP; Sabat P.

Abstract

In this contribution we studied the developmental phenotypic plasticity of respiratory structures involved in the exchange of gases in an altricial rodent, the leaf-eared mouse (Phyllotis darwini). We studied morphological pulmonary parameters of warm (30 °C) and cold acclimated animals 15 °C) at different developmental stages. We found that acclimation treatments did not affect neither lung volume, the alveolocapillary barrier thickness nor the respiratory surface density. In consequence the oxygen diffusion capacity was not affected. Although Phyllotis darwini exhibited structural respiratory changes expected by its ontogenetic development, these structures were not affected by thermal acclimation during the post-natal development.

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Título según WOS: Effects of environmental temperature on oxygen diffusion capacity during post-natal development in the altricial rodent, Phyllotis darwini
Título según SCOPUS: Effects of environmental temperature on oxygen diffusion capacity during post-natal development in the altricial rodent, Phyllotis darwini
Título según SCIELO: Effects of environmental temperature on oxygen diffusion capacity during post-natal development in the altricial rodent, Phyllotis darwini
Título de la Revista: Revista chilena de historia natural
Volumen: 82
Asunto: 1
Editorial: Sociedad de Biología de Chile
Fecha de publicación: 2009-01-01
Página de inicio: 153
Página final: 162
Idioma: English
DOI/URL:

10.4067/S0716-078X2009000100010

Identificador: 10.4067/S0716-078X2009000100010
Notas: ISI, SCIELO, SCOPUS