Definition of mesencephalon in English English dictionary
A part of the brain located rostral to the pons and caudal to the thalamus and the basal ganglia, composed of the tectum (dorsal portion) and the tegmentum (ventral portion)
Composed of the tectum (dorsal portion) and the tegmentum (ventral portion), this part of the brain is located rostral to the pons and caudal to the thalamus and the basal ganglia
The mesencephalon is the part of the brain lying between the forebrain and hindbrain The trochlear and oculomotor nerves arise in the mesencephalon, and it contains structures important in the visual and auditory pathways, as well as other structures The embryonic mesencephalon develops into the adult mesencephalon
The midbrain; part of the brainstem Composed of the tectum, which comprises the superior and inferior colliculi, and the tegmentum, which comprises the peri-aqueductal grey, the substantia nigra, and the red nucleus