Medullary striae of fourth ventricle are a landmark of the rhomboid fossa - the floor of the fourth ventricle. They are part of the auditory system.[1] The medullary striae are formed by crossed-over anterior internal arcuate fibers - efferents of the arcuate nucleus of medulla oblongata - as they pass laterally beneath the ependyma of the fourth ventricle to reach the contralateral cerebellum.[2]: 445.e1  The striae pass over the dorsal aspect of the medial vestibular nucleus.[2]: 453 

The medullary striae delineate the boundary between the pons and medulla oblongata dorsally/posteriorly.[2]: 442, 450 

Additional images

  • Fourth ventricle. Posterior view. Deep dissection.
    Fourth ventricle. Posterior view. Deep dissection.

References

  1. ^ Waschke, Jens; Böckers, Tobias M.; Paulsen, Friedrich; Arnold, Wolfgang; Bechmann, Ingo, eds. (2018). Sobotta Anatomy Textbook: English Edition with Latin Nomenclature (1st ed.). München: Elsevier. p. 672. ISBN 978-0-7020-6760-0.
  2. ^ a b c Standring, Susan (2020). Gray's Anatomy: The Anatomical Basis of Clinical Practice (42th ed.). New York: Elsevier. ISBN 978-0-7020-7707-4. OCLC 1201341621.


Allikas: https://en.wikipedia.org/wiki/Striae_medullares
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