A mass of grey matter between the fastigatum and the embolus in the cerebellum.

(cytology) A large membrane-enclosed organelle found in eukaryotic cells; a nucleus.

A thin layer of not very densely packed neurons lying between the facial nucleus and the ventral surface of the medulla, which serves as a CO₂ and H⁺ sensor for regulating breathing.

A group of large motor neurons situated deep in the medullary reticular formation. It contains the cell bodies of nerves that innervate the muscles of the soft palate, pharynx, and larynx.

Synonym of red nucleus

(anatomy) A cluster of neurons, in each hemisphere of the cerebellum, that links it with the rest of the brain.

Either of two pairs of structures situated on the lower surface of the thalamus that relay sensory impulses to the cortex, the lateral geniculate nucleus, which relays visual impulses, and the medial geniculate nucleus, which relays auditory impulses.

(physics) An atomic nucleus comprising three bound components in which any subsystem of two components is unbound.

(neuroanatomy) Any of four nuclei in the medulla oblongata on each side of the floor of the fourth ventricle of the brain in which fibers of the vestibular nerve terminate.

The nucleus of the thalamus involved in the sense of audition, which receives projections from the inferior colliculus and projects to the primary auditory cortex.