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  1. tectum

    • IPA[ˈtɛktəm]

    英式

    • n.
      the uppermost part of the midbrain, lying to the rear of the cerebral aqueduct.;a rounded swelling (colliculus) forming part of the tectum and containing cells involved in the visual system.
    • noun: tectum, plural noun: tecta

    • 更多解釋
    • IPA[ˈtektəm]

    美式

    • n.
      the uppermost part of the midbrain, lying to the rear of the cerebral aqueduct.

    Oxford American Dictionary