FOURTH VENTRICLE

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PowerPoint Presentation:

FOURTH VENTRICLE

PowerPoint Presentation:

2 BOUNDARIES

FLOOR :

FLOOR

PowerPoint Presentation:

4 ROOF

PowerPoint Presentation:

Superior medullary velum Pons Medulla oblongata Pia mater Ependyma Choroid plexus

ROOF:

ROOF

Angles of Fourth Ventricle:

Angles of Fourth Ventricle Superior –continuous with cerebral aqueduct Inferior –Continuous with Central Canal of Closed part of Medulla Two Lateral – One on each side - Across dorsal surface of ICP

OPENINGS IN FOURTH VENTRICLE:

OPENINGS IN FOURTH VENTRICLE

Recesses of Fourth Ventricle:

Recesses of Fourth Ventricle

Recesses of Fourth Ventricle:

Recesses of Fourth Ventricle

Tela Choroidea of Fourth Ventricle:

Tela Choroidea of Fourth Ventricle Double Layered Dorsal Layer Ventral Layer

Choroid Plexus of Fourth Ventricle:

Choroid Plexus of Fourth Ventricle Post inf cerebellar artery. T-shaped

APPLIED ANATOMY:

13 ● Int Hydrocephalus ● Ext Hydrocephalus ● Non-Communicating Hydrocephalus ● Communicating Hydrocephalus Hydrocephalus Medulloblastoma APPLIED ANATOMY

Obstruction :

Obstruction Blockage of Absorption

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