Metabolic and heart rate responses to hypoxia in early chicken embryos in the transition from diffusive to convective gas transport
Highlights ► During avian embryogenesis, the hypoxic drop in V ˙ O 2 did not cause a payment back of the O2 debt. ► At age E3, hypoxic hypometabolism was more prominent than at E5. ► The opposite was the case for heart rate (HR). ► In early embryos the O2 saving during hypometabolism can protect car...
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| Veröffentlicht in: | Respiratory physiology & neurobiology 2012-04, Vol.181 (2), p.109-117 |
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| container_end_page | 117 |
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| container_title | Respiratory physiology & neurobiology |
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| creator | Mortola, Jacopo P Marinescu, Daniel-Costin Pierre, Annie Artman, Lise |
| description | Highlights ► During avian embryogenesis, the hypoxic drop in V ˙ O 2 did not cause a payment back of the O2 debt. ► At age E3, hypoxic hypometabolism was more prominent than at E5. ► The opposite was the case for heart rate (HR). ► In early embryos the O2 saving during hypometabolism can protect cardiac activity. |
| doi_str_mv | 10.1016/j.resp.2012.02.002 |
| format | Article |
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| ispartof | Respiratory physiology & neurobiology, 2012-04, Vol.181 (2), p.109-117 |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Animals Cardiac function Chick Embryo Cold Temperature Convection Diffusion Embryogenesis Heart - embryology Heart - physiopathology Heart Rate - physiology Hypoxia - embryology Hypoxia - physiopathology Hypoxic hypometabolism Medical Education Myocardium - metabolism Oxygen consumption Oxygen Consumption - physiology Pulmonary/Respiratory |
| title | Metabolic and heart rate responses to hypoxia in early chicken embryos in the transition from diffusive to convective gas transport |
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