mi: OROAXI F 1111. 01 : D - 519 



_. ' s an- united ui'h 



raxity l.y mean> of tin- nasal grooves. 



3. The inner and <>u; md the nasal 



Sfl project cut as ridges ami c<n>tituti- tit*- inin-r and outer DMa) 



(. \'>y fu-',"n of HP- iii.i i-L'iii- ot the nasal grooves the orgni 



-III. -11 is converted int" 



frontal | <f the external BS*6f 



the primitive oral lit t le l..n-k of t!,,- HJ.J..T li| ! means of 



tlit> ii;in nal narea. 



Tin- int rnal itaces afterwards become fissure-like and move 

 ii-.-M er, owing to tlie nasal septum becoming tliiiim-r and 



^n\vin.y (lounwanl >..in.-\\ liat into 1 1,,. primitive oral Ca\ 



6. 'I'lic upper part of tin- primitive oral in s in t IP- forma- 

 tion of tin- or^-an of Miit-ll and serves for > re- 

 >pirati>ry r.'^ion, >inr lnri/Mntal ri.lges (the palatal prooesses) grow 

 inuanl from tin- maxillai-N i 



na-al st-ptuin. with which th.-y fu>', an.l produce the h ! soft 



p;ila 



7. In tin- or^an of >m'll a furtlu-i- 6filSjIjg68M iiO IpfVTW 



; iratory purp- <1 by 



(a) The formation of fol.ls of its mucous membrane, by \v 



urltinatrtl processes a i 



(b) Evaluations of it> mm. -us m-ml)ran^ into the adjacent 



parts of thf cariila-inous and bony c 



(formation of the --H> :a plate, the 



fronttU and sphenoidal sinuses, and the antrum of 



HlCllMo 



8. Jn human . inl.ryo> there is early formed in the oifactor\ 



a >pvial depression of tf ^-rm layer a- : 



, of .JACOJ'.SON, \\hich receives a special i 



9. JACOIISON'S organ comes to '. base of the nasal 

 remote from the olfacto; 



10. The du A in many Mammals and the canales 

 inci.xivi in Man are preserved as ren tin- so-called palatal 



lime> -the original figure like , us between 



cavities and > o-ndary or. 



