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Forth ventricle

Forth ventricle. 1- Floor (rhomboid fossa ) 2- Roof 3- Borders. Floor of fourth ventricle. 1- Median sulcus. calamus scriptorius 2- Medial eminence 3- Facial colliculus 4- Hypoglossal triangle 5- Vagal triangle 6-Funiculus separans 7- Area postrema 8- Sulcus limitance

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Forth ventricle

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  1. Forth ventricle • 1- Floor (rhomboid fossa ) • 2- Roof • 3- Borders

  2. Floor of fourth ventricle • 1- Median sulcus. calamus scriptorius • 2- Medial eminence • 3- Facial colliculus • 4- Hypoglossal triangle • 5- Vagal triangle • 6-Funiculus separans • 7- Area postrema • 8- Sulcus limitance • 9-Sup. and inf. fovea • 10-Locus ceruleus/ substantia ferrugina • 11- Vestibular area • 12- Acoustic tubercle

  3. Funiculus separans(32)

  4. Circumoventricular organs

  5. Roof of Forth ventricle • 1- superior medullary velum • 2- inferior medullary velum

  6. superior medullary velum inferior medullary velum

  7. superior medullary velum

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