270 



THE INTERNAL ENVIRONMENT OF THE BODY 



Dura matter of ihe brain 



Hypophysla ^ 



Part III 



Frontal sinios s^ 



Nasal 

 geplum 



Sphonoid-. , 

 ad sinus /'^. 



Tongue... 



Pbna 



cre- 

 el Ixim 



Dura miter of 

 the spine 



Isthmos of 

 thyroid gland' 



Fig. 15.13. Median section of the head showing the location of the pituitary 

 gland (or hypophysis) in relation to other parts of the head. (Courtesy, Clenden- 

 ing: The Human Body. New York, Alfred A. Knopf, 1930.) 



Pars tuberolis 

 Dura mater 



Pars anteri 

 Sphenoid bone 



^ \ ■44fc ;?!«■ v^SA(¥x«;iSS' m. ^ Nt- '<w. 



Pia mater of brain 

 Floor of brain 

 Dura mater 

 Pars nervosa 

 Pars intermedia 

 Sphenoid bone 



Fig. 15.14. Median section of the pituitary, its parts and their relation to the 



brain and cranium. 



