Akademik

vastus
Great. See v. intermedius (muscle), v. lateralis (muscle), v. medialis (muscle). [L.]

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n.
any of three muscles (vastus intermedius, vastus lateralis, and vastus medialis) that form part of the quadriceps muscle of the thigh.

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vas·tus (vasґtəs) [L.] great or vast; description of muscles, as musculus vastus lateralis.

Medical dictionary. 2011.