Figure 1: Key extrinsic and intrinsic cellular factors establish the dorsal and ventral subdivisions of the telencephalon. Figure 2: The dorsal and ventral telencephalic regions are subdivided ...

In the telencephalon, FGF signals also delay differentiation ... motor and sensory neurons form in the ventral and dorsal spinal cord, respectively; in the brain, structures such as the ...

tended to exhibit a larger ventral portion of the telencephalon, called the subpallium – while the sand-dwellers tended to have a larger version of the dorsal structure known as the pallium.