348 



LABORATORY MANUAL OF HUMAN ANATOMY 



a hand-lens or dissecting microscope, 

 eating- 



Make drawings indi- 



(1) Median raphe (raphe). 



(2) Nuclear layer (stratum nuclear e}. 



(3) Nucleus of hypoglossal nerve (nucleus N. hypoglossi). 



(4) Ambiguous nucleus (nucleus ambiguus). 



(5) Nucleus of ala cinerea (nucleus alae cinereae). 



(6) Solitary tract (tractus solitarius) (0. T. respiratory bundle). 



(a) Nucleus of solitary tract (nucleus tractus solitarii). 



FIG. 159. 



Nucleus fasciculi gracilis 

 Ganglion commissurale alae cinereae 



Nucleus fasciculi cuneati 



Substantia grisea 

 centralis 



Nucleus tractus 

 spinalis N. 

 trigemini 



Formatio reticu - 

 laris 



Fissura mediana posterior 



Fasciculus gracilis [Golli] 



Fasciculus cuneatus [Burdachi] 



Secondary trigeminal 

 path 



..Tractus spinalis 

 " N. trigemini 



Tuberculum 

 cinereum 



. . Fasciculus cere- 

 bellospinalis 



Fibrae arcuatae internae j 



Fissura mediana anterior 



Columna anterioT^^H& . i$^J \ Cowers' tract and the 



tract to the lateral 



funiculus from 

 Deiters' nucleus and 

 from the red nucleus 

 Fila radicularia N. cervicalis I 



v 



\ Fasciculus longitudinalis medialis 



Pyramis [medullare oblongatae] 

 Decussatio lemniscorum 



Transverse section through the brain-stem of an adult, between the decussation of the pyramids 

 the olives. Magnification: 6:1. (Held.) (After Spalteholz, Hand Atlas of Hum. Anat., Leipzig, 

 j.yuo, vol. ill., p. boo, .tig. 726.) 



(7) Spinal tract of trigeminal nerve (tractus spinalis N. trigemini) (0. 



T. ascending root of trigeminal nerve a very bad name, 

 for the fibres descend). 



(a) Nucleus of spinal tract of trigeminal nerve (nucleus tractus 

 spinalis N. trigemini). 



(8) Nucleus of slender funiculus (nucleus funiculi gracilis) (0. T. nu- 



cleus of Goll's column). 



Nucleus of wedge-shaped funiculus (nucleus funiculi cuneati) (0. T. 

 nucleus of Burdach's column). 



(10) Lateral nuclei (nuclei laterales). 



(11) Inferior olivary nucleus (nucleus olivaris inferior). 



(a) Hilus of olivary nucleus (hilus nuclei olivaris). 



(b) Medial accessory olivary nucleus (nucleus olivaris accessorius 



medialis). 



(9) 



