Position of Diencephalon ◆ Position: Lies between midbrain cerebrum. almost surrounded entirely by cerebral hemisphere Medially: -3rd ventricle between left and right thalamus Diencephalon Laterally: Internal capsule Function -complicated important
Position of Diencephalon Position: Lies between midbrain & cerebrum,almost surrounded entirely by cerebral hemisphere Medially: -3rd ventricle between left and right thalamus Laterally:Internal capsule Function – complicated & important Diencephalon
Subdivision of Diencephalon Including five portions ◆ Dorsal thalamus ◆ Epithalamus ◆ Metatha|amus ◆ Subthalamus ◆ Hypothalamus Diencephalon
Subdivision of Diencephalon Dorsal thalamus Epithalamus Metathalamus Subthalamus Hypothalamus Including five portions Diencephalon
Dorsal thalamus The other four portions Is around the dorsal thalamus
Dorsal Thalamus The other four portions Is around the dorsal thalamus
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 sulcus
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) Floor －hypothalamic sulcus Dorsal Thalamus
Copy Right niversity Nuclear group of the thalamus Three group 1-Ant nuclear group 2-Lat. nuclear group 3-Med. nuclear group Right thalamus 2 Lateral nuclear group Dorsal layer of lateral nuclei Ventral layer of lateral nuclei Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University
Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Copy Right- Hongqi ZHANG-Department of Anatomy-Fudan University Nuclear group of the thalamus Three group 1 - Ant.nuclear group 2 - Lat.nuclear group 3 - Med.nuclear group 3 1 Dorsal layer of lateral nuclei Ventral layer of lateral nuclei 2 Lateral nuclear group 1 3 2 Right thalamus