311.The image below is a midsagittal CT of the head. Which of the fol-
lowing are structures 8 and 9?
Head and Neck 425(Image 1302-003, used with permission from the Radiological Anatomy web site, University
of Kansas, School of Medicine, http://classes.kumc.edu/som/radanatomy/.)a. Optic chiasm and optic tract
b. Anterior and posterior pituitary
c. Pituitary gland and infundibular stalk
d. Ethmoid and sphenoid air sinus