Dural Folds Flashcards

1
Q

Vertical

A

Falx Cerebri

Falx Cerebelli

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2
Q

Horizontal

A

Tentorium Cerebelli

Diaphragma Sella

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3
Q

Falx Cerebri

A

Vertical, midline
Separates the cerebral hemispheres
Forms the superior and inferior sagittal sinuses

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4
Q

Falx cerebelli

A

Separates cerebellar hemispheres

Contais occipital sinuses

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5
Q

Tentorium cerebelli

A

Separates cerebral hemispheres (occipital lobes) from cerebellum below.
Contais strsight, transverse, and superior petrosal sinuses
Uncis (medial parahippocampal gyrus); amygdala lies beneath; herniates below tentorium

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6
Q

Diaphragma sella

A

Roof of the Sella Turcica

Small hole allows passage of the pituitary stalk

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7
Q

Venous SINUSES

Dural Sinuses are:

A
Superior Sagittal Sinus
Inferior Sagittal sinus
Straight sinus
Cavernous sinus (2)
Superior petrosal sinus (2)
Inferior petrosal sinus (2)
Occipital sinus 
Transverse sinus (2)
Confluence of sinuses (torcular of herophile)
Sigmoid
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