Dural Folds Flashcards
1
Q
Vertical
A
Falx Cerebri
Falx Cerebelli
2
Q
Horizontal
A
Tentorium Cerebelli
Diaphragma Sella
3
Q
Falx Cerebri
A
Vertical, midline
Separates the cerebral hemispheres
Forms the superior and inferior sagittal sinuses
4
Q
Falx cerebelli
A
Separates cerebellar hemispheres
Contais occipital sinuses
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
6
Q
Diaphragma sella
A
Roof of the Sella Turcica
Small hole allows passage of the pituitary stalk
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