Hippocrates employed it in medicine, and spondylium is sufficient to kill a serpent . " The drug is occasionally given in modern medicine, in doses of from five to fifteen grains.
2.
Pentamerids are characterized by a short hinge line where the two valves articulate, inner areas above the hinge line that slope inwardly from the beak of each valve, and a well-developed spondylium on the pedical valve.
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