THE NASAL CAVITY 549 
framework is formed essentially by the septal cartilage and the parietal cartilages 
which proceed from it. The septal cartilage projects beyond the premaxilla, and 
Cor, 
-; ic 
Sealios, 
Cors~ ThalaNNy » 
quad mus \rienis Sorbets 
" Striatum)\ > 
Hypo _ Lateral 
a Salle Physis ventricle hy 2 Dorsal meatus 
j cote oblongata Pons — \ ? 
Middle meatus 
Ventral meatus 
' 
“ ———. 
LEE 
QU) ic —SeP ost 
Ss VA AA 7 aos 
SKE genio=glossus \ to \\ Ne 
- fh 2 S GM . 
atereli S S “Upper 
ventricle x lip 
3 _-inctsor 
AONE -- teeth 
ad ! ~Lower 
fy) atgcord itp 
cartilage 
fl’ of cricoid 
Fic. 489.—Kery To Precepine Ficure. 
is much thickened at its extremity; it gives off from its margins the two parietal 
cartilages, which curve laterally and toward each other. A grooved plate extends 
