Dorsal thalamus External features A large ovoid-shaped nucleus mass Anterior end -anterior thalamic tubercle Posterior end--pulvinar Right and left portion of thalamus are joined by interthalamic adhesion(arrow) Q Floor-hypothalamic sulcusExternal features A large ovoid-shaped nucleus mass Anterior end －anterior thalamic tubercle Posterior end －pulvinar Right and left portion of thalamus are joined by interthalamic adhesion(arrow) Floor －hypothalamic sulcus Dorsal Thalamus