Definition of mesencephalon in English:
Another term for midbrain.
- The latter includes the diencephalon; mesencephalon, or midbrain; pons; and medulla oblongata.
- The neural tube is broad and divides flaccidly into three parts: an anterior prosencephalon, a middle mesencephalon, and a posterior rhombencephalon.
- Continuing in the vocabulary vein, the ‘neuraxis’ is ‘the axial unpaired part of the central nervous system, composed of the spinal cord, rhombencephalon, mesencephalon, and diencephalon.’
- Example sentences
- Two non-sensory control regions were examined, the optic tectum and the mesencephalic tegmentum.
- The root fibers arising from the trochlear nuclei form a decussation dorsal to the mesencephalic aqueduct, and they are the only cranial nerves that cross completely and that leave the dorsal aspect of the brain stem.
- The principal mesencephalic projection to the striatum originates from the substantia nigra pars compacta.
Definition of mesencephalon in:
- US English dictionary
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