tectum

tec tum |ˈtektəm ˈtɛktəm | ▶noun Anatomy the uppermost part of the midbrain, lying to the rear of the cerebral aqueduct. • (in full optic tectum ) a rounded swelling (colliculus ) forming part of this and containing cells involved in the visual system. ORIGIN early 20th cent.: from Latin, literally ‘roof. ’

tectum

tectum |ˈtɛktəm | ▶noun Anatomy the uppermost part of the midbrain, lying to the rear of the cerebral aqueduct. • (in full optic tectum ) a rounded swelling (colliculus ) forming part of this and containing cells involved in the visual system. ORIGIN early 20th cent.: from Latin, literally ‘roof ’.