Lying between or connecting bones; denoting certain muscles and ligaments. SYN: interosseal. [inter- + L. os, bone]
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in·ter·os·se·ous .in-tər-'äs-ē-əs adj situated between bones <an \interosseous space>
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in·ter·os·se·ous (in″tər-osґe-əs) [L. interosseus; inter between + os bone] between bones; called also interosseal.Medical dictionary. 2011.