Abstract
In July 2013, a stranded harbor seal (Phoca vitulina) died giving birth to conjoined fetuses. The twins were joined at the abdomen and thoracolumbar spine with the vertebral axis at 180°. The cause of this unique anomaly--a first for this species--was not identified.
Publication types
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Case Reports
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Letter
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Research Support, Non-U.S. Gov't
MeSH terms
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Age Determination by Teeth / veterinary
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Animals
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Autopsy / veterinary
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Dystocia / etiology
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Dystocia / veterinary
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Fatal Outcome
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Female
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Male
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Phoca / abnormalities*
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Phoca / embryology
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Pregnancy
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Twins, Conjoined / embryology*
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Washington