DISSECTION OF THE HEAD AND NECK 



301 



nius), from the sphenopalatine gan- 

 glion. 



(ace) Medial nasal rami of internal nasal rami of ante- 

 rior nasal rami of N. nasociliaris (rami nasales 

 mediates) (O. T. septal branch of nasal nerve). 

 (ad) Arteries going to the septum. 



Of what are they branches? 



Now cut through the tunica mucosa septi, with scissors, along the 

 roof of the nasal cavity and reflect it; the nasopalatine nerve and 

 medial nasal rami are to be preserved for further examination. 



FIG. 130. 



Concha nasalis media 

 Concha nasalis superior : 

 Meatus nasi superior 

 Apertura sinus sphenoidalis | i 



Meatus nasi medius 



Recessus sphenoethmoidalis 

 Hypophysis 



Sinus sphenoidalis 

 Fomix pharyngis 



Synchondrosis 



spheno-occipi 



talis 



Sulcus nasalis 

 posterior 



Sinus frontalis 



Agger nasi 



Plica salpingo- 



palatina 

 Torus tubarius- 



Ostium pharyngeum 

 tubae auditivae 



Levator prominence -^ 



Plica salpingo- ^ 

 pharyngea 



Velum palatinum 



Atrium meatus 

 nasi medii 



Cartilage nasi 

 lateralis 

 Limen nasi 



Vestibu- 

 lum nasi 



Cartilago 

 alaris 

 major 

 (Cms 

 mediale) 

 Remnant of the 

 cartilage of the 

 lateral wall 



Concha nasalis 

 inferior 



Meatus nasi inferior 



Medial aspect of the left wall of the nasal cavity (After Toldt, Anat. Atlas, Wien, 1903, 



3Aufl., p 944, Fig 1473.) 



(b) Anterior apertures (nares). 



(c) Posterior apertures (choanae). 



(d) Vestibule of nose (vestibulum nasi). 



(da) Hairs in vestibule (vibrissae). 



(e) Threshold of nose (limen nasi). 



(f) Olfactory sulcus (sulcus olfactorius) . 



(g) Conchae (0. T. turbinated bones). 



(ga) Superior nasal concha (concha nasalis superior) (0. T. supe- 



rior turbinated bone). 



(gb) Middle nasal concha (concha nasalis media) (0. T. middle 



turbinated bone). 



