Vein of galen, Galens anastomosis

Straight sinus (dural venous sinus) is formed by the union of two veins - 

1. Great cerebral vein / Vein of galen 

2. Inferior sagittal sinus

 

Straight sinus drain into - 

1. Transverse sinus (~90% Left)


P. K. Sasidharan, CC BY 3.0 <https://creativecommons.org/licenses/by/3.0>, via Wikimedia Commons https://commons.wikimedia.org/wiki/File:Major_venous_sinuses_and_their_tributaries.png


Galen's anastomosis: It refers to the communication between -
 

1. Recurrent laryngeal nerve (RLN) 

2. Internal laryngeal nerve (branch of the superior laryngeal nerve).

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