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spondylium

noun spon·dyl·i·um \ spänˈdilēəm \
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Definition of spondylium

plural spondylia \-ēə\
: a curved median plate for muscle attachment in the posterior part of one or both valves of a brachiopod

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Origin and Etymology of spondylium

New Latin, from Greek spondylion, from spondylos muscle of a bivalve

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