Učitavanje...
Live-bearing manta ray: how the embryo acquires oxygen without placenta and umbilical cord
We conducted an ultrasonographic experiment on a pregnant manta ray, Manta alfredi (Chondrichthyes, Batoidea). This study showed how the embryo of the live-bearing elasmobranchs respires in the body of the female. In the embryonic stage, the manta ray embryo takes in uterine fluid by buccal-pumping....
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| Glavni autori: | , , , , |
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| Format: | Artigo |
| Jezik: | Inglês |
| Izdano: |
The Royal Society
2012
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| Teme: | |
| Online pristup: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3440971/ https://ncbi.nlm.nih.gov/pubmed/22675137 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1098/rsbl.2012.0288 |
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