Medullary striae of fourth ventricle

Medullary striae of fourth ventricle
Rhomboid fossa (striae medullares labeled at center left)
Details
Identifiers
Latin	striae medullares ventriculi quarti
TA	A14.1.05.318 A14.1.05.707
FMA	78484
*Anatomical terms of neuroanatomy* [edit on Wikidata]

Winding around the inferior cerebellar peduncle in the lower part of the fourth ventricle, and crossing the area acustica and the medial eminence are a number of white strands, the medullary striae, which form a portion of the cochlear division of the vestibulocochlear nerve and disappear into the median sulcus.

Additional images

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

Anatomy of the pons

Dorsal/
(tegmentum)

Surface

White: Sensory

White: Motor

afferent:	GSA Trigeminal Principal Spinal Cochlear nucleus Dorsal Anterior Vestibular nuclei Superior

efferent:	SVE: Trigeminal motor nucleus Facial motor nucleus GSE: Abducens nucleus GVE: Superior salivary nucleus Inferior salivary nucleus

Other	Apneustic center Parabrachial area Pneumotaxic center Subparabrachial nucleus Medial parabrachial nucleus Lateral parabrachial nucleus Superior olivary nucleus Caerulean nucleus

Ventral/
(base)

Grey	Pontine nuclei

White: Motor/descending	Corticospinal tract Corticobulbar tract Corticopontine fibers MCP Pontocerebellar fibers

Surface	Basilar sulcus

Other grey: Raphe/
reticular

Roof	Superior medullary velum Frenulum Inferior medullary velum Taenia

Floor	Upper Facial colliculus Locus coeruleus Lower Vagal trigone Hypoglossal trigone Area postrema Obex Medial eminence Sulcus limitans Fastigium

Apertures	Median/Magendie Lateral recess to Lateral/Luschka

Other	Rhomboid fossa Tela chorioidea

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