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spondylium

noun
spon·​dyl·​i·​um | \ spänˈdilēəm\
plural spondylia\ -​ēə \

Definition of spondylium

: a curved median plate for muscle attachment in the posterior part of one or both valves of a brachiopod

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History and Etymology for spondylium

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

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