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  2. Brainstem - Wikipedia

    en.wikipedia.org/wiki/Brainstem

    The tectum comprises the paired structure of the superior and inferior colliculi and is the dorsal covering of the cerebral aqueduct. The inferior colliculus is the principal midbrain nucleus of the auditory pathway and receives input from several peripheral brainstem nuclei, as well as inputs from the auditory cortex.

  3. Tegmentum - Wikipedia

    en.wikipedia.org/wiki/Tegmentum

    The tegmentum (from Latin for "covering") is a general area within the brainstem. The tegmentum is the ventral part of the midbrain and the tectum is the dorsal part of the midbrain. [1] It is located between the ventricular system and distinctive basal or ventral structures at each level.

  4. Pontine tegmentum - Wikipedia

    en.wikipedia.org/wiki/Pontine_tegmentum

    The pontine tegmentum, or dorsal pons, is the dorsal part of the pons located within the brainstem. The ventral part or ventral pons is known as the basilar part of the pons, or basilar pons. Along with the dorsal surface of the medulla oblongata, it forms part of the rhomboid fossa – the floor of the fourth ventricle.

  5. Human brain - Wikipedia

    en.wikipedia.org/wiki/Human_brain

    The brainstem includes the midbrain, the pons, and the medulla oblongata. Behind the brainstem is the cerebellum (Latin: little brain). [7] The cerebrum, brainstem, cerebellum, and spinal cord are covered by three membranes called meninges. The membranes are the tough dura mater; the middle arachnoid mater and the more delicate inner pia mater.

  6. Pons - Wikipedia

    en.wikipedia.org/wiki/Pons

    A cross-section of the pons divides it into a ventral and a dorsal area. The ventral pons is known as the basilar part, and the dorsal pons is known as the pontine tegmentum. [3] The ventral aspect of the pons faces the clivus, with the pontine cistern intervening between the two structures.

  7. Medullary pyramids (brainstem) - Wikipedia

    en.wikipedia.org/wiki/Medullary_pyramids_(brainstem)

    Fibers of the posterior column, which transmit sensory and proprioceptive information, are located behind the pyramids on the medulla oblongata. The medullary pyramids contain motor fibers that are known as the corticobulbar and corticospinal tracts. The corticospinal tracts are on the anterior surface of the pyramids.

  8. Olivary body - Wikipedia

    en.wikipedia.org/wiki/Olivary_body

    Each olivary body is located on the anterior surface of the medulla lateral to the pyramid, from which it is separated by the antero-lateral sulcus and the fibers of the hypoglossal nerve. Behind ( dorsally ), it is separated from the postero-lateral sulcus by the ventral spinocerebellar fasciculus .

  9. Dorsal column nuclei - Wikipedia

    en.wikipedia.org/wiki/Dorsal_column_nuclei

    The dorsal column nuclei are a pair of nuclei in the dorsal columns of the dorsal column–medial lemniscus pathway (DCML) in the brainstem. [1] The name refers collectively to the cuneate nucleus and gracile nucleus , which are situated at the lower end of the medulla oblongata .