Dissected Sheep Brain — Ventral View

Components of the brainstem are visible in this ventral view of a dissected sheep brain. The optic chiasm (green), infundibulum (orange), and mamillary bodies (red) belong to the diencephalon. Crus cerebri (yellow) is in the mesencephalon. The pons (white) marks the metencephalon, and the myelencephalon features trapezoid body (blue) and pyramids (green).