DISSECTION OF THE HEAD AND NECK 



361 



(3) Superior commissure of Meaner! (commissura superior [Meynerti]). 



(4) Inferior commissure of v. Gudden (commissura inferior [Guddeni]). 



(5) Nuclei of mammillary body (nuclei corporis mammillaris) . 



FIG. 172. 

 Lamina medullaris media 



Capsula interna___^;c 



Nucleus lentifonnis. 



Lamina medullaris medialis 



/ Nucleus medialis thalami (6) 



/ / (centre median) 



Nucleus medialis thalami (a) 



Taenia thalami 

 '~ 1- Lamina medullaris thalami 



Nucleus ruber 



'!--- Fasciculus retroflexus 

 [M^nerti] 



Fasciculus pedunculomammillaris 

 pars tegmentalis 



Nucleus hypothalamicus (corpus Luysi) 

 Ventriculus lateralis (cornu inferius) / ,' 



Nucleus ventralis thalami (a) ' / 

 Nucleus ventralis thalami (6) ! 



Basis pedunculi 



Frontal section through a normal human brain at the level of the lower end of the nucleus 



hypothalamicus. 



a, dorsal white matter of nucleus ruber ; /3, ventral white matter of nucleus ruber ; y, lateral white 

 matter of nucleus ruber. (After C. von Monakow, Arch. f. Psychiat., Berl., Bd. xxvii., 1895, Taf. iii., 

 Fig. 20.) 



(6) Thalamomammillary fasciculus (fasciculus thalamomammillaris 

 [Vicq d'Azyri]) (0. T. bundle of Vicq d'Azyr). 



FIG. 173. 



Capsula interna _, 



Nucleus ventralis thalami (ant.) - 



Putamen \ / 



Globus pallidus, pars lateralis 

 Globus pallidus, pars medialis' 



Commissura anterior cerebri 



Nucleus lateralis thalami 



/ Nucleus anterior thalami (a) 



/ Capsula ventralis nucl. ant. thalami 

 B5 ' ' -Hi X / Taenia thalami 



. Fasciculus thalamo-mammillaris 



[Vicq d'Azyri] 



"T Stratum griseum centrale 

 *--j Pedunculus thalami medialis 

 y: ,/! ?', \ x -Columna fornicis 

 V' 



-'-.'/ * 



\Ansa lenticularis, pars ventralis 



Frontal section through a normal human brain at level of anterior part of thalamus. (After C. von 

 Monakow, Arch. f. Psychiat., Berl., Bd. xxvii., 1895, Taf. iv., Fig. 33.) 



(7) Pedunculomamnrillary fasciculi (fasciculi pedunculomammillares) . 



(a) Tegmental part (pars tegmentalis). 



(b) Basilar part (pars basilaris). 



