Roof Of Fourth Ventricle Anatomy

It is widest at the level of the pontomedullary junction.

Roof of fourth ventricle anatomy.

The superior part of the roof is formed by the superior cerebellar peduncles and the superior medullary velum thin sheet of white matter. It rises up and backwards forming two walls called the roof of the 4th ventricle which converge into a summit located in the anterior part of the cerebellar vermis fig. The roof of fourth ventricle is tent shaped and is divided into upper and lower part. The roof of the fourth ventricle has presents a tent like apex at the intersection of it s superior and inferior parts.

The upper portion of the roof is formed by the cerebellum. The fourth ventricle has a roof at its upper posterior surface and a floor at its lower anterior surface and side walls formed by the cerebellar peduncles nerve bundles joining the structure on the posterior side of the ventricle to the structures on the anterior side. It corresponds to the ventral surface of the cerebellum. The fourth ventricle contains choroid plexus along its roof along the tela choroidea which may protrude out the lateral foramina of luschka.

It corresponds to the ventral surface of the cerebellum. The roof of fourth ventricle is the dorsal surface of the fourth ventricle. Anatomical terms of neuroanatomy. Overlies the vestib ular nuclei hence it is termed vestibular area.

The sidewalls are formed by the veli and cerebellar peduncles. Roof posterior wall the roof of the 4th ventricle is tent shaped and has upper and lower sloping surfaces. Superior fovea upper end of sulcus limitans widens into a triangular depression. The obex is the most caudal tip of the fourth ventricle.

Features of the floor of fourth ventricle median sulcus. Medial eminence is bounded laterally by sulcus limitans. The roof of ventricle is diamond shaped and can be divided into superior and inferior parts. The upper part of the roof is composed by a thin sheet of white matter the superior medullary velum that stretches between both superior cerebellar peduncles.

Lateral to sulcus limitans. In the upper part it is formed by superior medullary velum white matter between the superior cerebellar peduncles. This apex also known as the fastigium extends into the white core of the cerebellum. This ventricle has a roof and a floor.

The apex of the tent goes posteriorly into the white core of the cerebellum.