BLOOD SUPPLY OF THE PITUITAEY BODY 



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i'i<^. 1 Hypophyseal region viewed from below: dura largely intact except for 

 removal of superficial layer of that part of the membrane which covers the gland. 

 The arterial supply to the posterior lobe shows through the dura, each internal 

 cartoid artery (running in the lateral sinus) giving off a branch the two uniting 

 to form a single trunk (A, p. 1.) The small intradural glandule ("parahypophy- 

 sis") which normally lies concealed between the two dural layers is exposed and 

 its arterv and vein are shown. 



