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Live-bearing without placenta: Physical estimation indicates the high oxygen-supplying ability of white shark uterus to the embryo
One of the mysteries of shark aplacental viviparity is the ability of the embryos to acquire oxygen from their mothers without a placental connection. It has been assumed that embryonic respiration in aplacental viviparous shark depends on oxygen from the uterine wall, although this hypothesis has n...
Autores principales: | , , , , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Nature Publishing Group UK
2017
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5603572/ https://www.ncbi.nlm.nih.gov/pubmed/28924159 http://dx.doi.org/10.1038/s41598-017-11973-9 |