All unambiguous synapomorphies are based on the nasal region of the skull where the individual bones are easily distinguished . " Orthogenysuchus " shares with " Mourasuchus " a characteristically long, broad snout, extremely wide external nares consisting of the nasal aperture and dorsal fossa, and many small maxillary alveoli.
12.
But consider that there are also at least two movies ( " Kinsey " and " The Assassination of Richard Nixon " ) in which a character is asked by his boss to shave off his mustache, and it becomes obvious that the nasal region is a major, if unstated, preoccupation of the festival organizers.
13.
Bioaerosols larger than 10 �m in aerodynamic diameter are generally blocked by the nasal region of the respiratory tract, those between 5-10 �m mainly deposit in the upper respiratory system and usually induce symptoms like allergic rhinitis, and particles with aerodynamic diameter less than 5 �m can reach the alveoli and hence lead to serious illnesses such as allergic alveolitis.
