Canadian Medical Guide > Anatomy > Nervous System > Central Nervous System > Brain > Brain Stem > Mesencephalon Terms and Definitions

Mesencephalon

Medical Definition:
Also Called:	Cerebral Peduncle

Mesencephalon Categories.

	Corpora Quadrigemina - A composite substructure of the mesencephalic tectum comprised of the SUPERIOR COLLICULUS and INFERIOR COLLICULUS.
	Locus Coeruleus - Bluish region in the superior angle of the fourth ventricle floor, corresponding to melanin-like pigmented nerve cells which lie lateral to the ponto-mesencephalic central gray (griseum centrale). It is also known as nucleus pigmentosus pontis.
	Raphe Nuclei - Collections of small neurons centrally scattered among many fibers from the level of the trochlear nucleus in the midbrain to the hypoglossal area in the medulla oblongata.
	Substantia Nigra
	Tegmentum Mesencephali

Mesencephalon Medical Definitions and Terms

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