600 



PHYSIOLOGY OF THE BRAIN-STEM 



FIG. 267. Median section through the brain of an adult, after His. The figures refer to the table 



below. 



Encephalon (brain), I- VI (Fig. 267) 



Rhombencephalon (hindbrain), I-III 

 Myelencephalon (afterbrain), I 



Medulla oblongata (bulb), I 

 Metencephalon (secondary hindbrain), II 

 Pons, II! 

 Cerebellum, 112 

 Isthmus rhombencephali, III 

 Mesencephalon (midbrain), IV 

 Crura cerebri, IVi 

 Corpora quadrigemina, IV2 

 Prosencephalon (forebrain), V and VI 



Diencephalon ('tweenbrain or interbrain), V 



Pars mamillaris hypothalami (corpus mamillare, etc.), Vi 

 Thalamencephalon, V2 to 4 

 Optic thalamus, V2 

 Metathalamus (corpora geniculata), Vs 

 Epithalamus (pineal body, etc.), V 4 

 Telencephalon (endbrain), VI 



( tuber cinereum 



Pars optica hypothalami -s infundibulum 

 ' pituitary body 

 Hemisphserium, VI 2 to4 

 Corpus striatum, Vl2 

 Rhinencephalon (olfactory lobe, etc.), V 

 Pallium (cortex cerebri), 



