Lecture 18 - Carnivore URT Flashcards
describe the passage of air from rostral to caudal
- nasal cavity
- pharynx
- larynx
- trachea
- main bronchus
- bronchioles
- alveoli
where is the nasal cavity found
between the nostrils and choanae
what divides the nasal cavity
nasal septum
describe the architecture of the nasal conchae
cartilage and bone covered by vascular mucosa
what functions to the conchae have
- warm and humidify air
- filter air and particles
- increase surface area for olfaction
what are the spaces between conchae? how many are there?
there are 4 meatuses between conchae
what are the 4 meatuses
- dorsal nasal
- middle nasal
- ventral nasal
- common nasal
what meatus is used for nasogastric tube placement
ventral nasal meatus
wht are the paranasal sinuses? what is their job?
air-filled mucosa-line spaces between inner and outer skull bones which communicate with the nasal cavity
T/F; the maxillary recess is a “sinus” associated with maxillary teeth roots and contains lateral nasal gland
TRUE
what is the job of the lateral nasal gland
moisture production
which species has subdivisions of their frontal parasinus
dog
what extra sinus do cats have? do dogs also have this sinus?
sphenoidal sinus - dogs have this sinus but it is nonfunctional due to conchal tissue
what are the 3 subdivisions of the pharynx
- nasopharynx
- oropharynx
- laryngopharynx
describe the location of the nasopharynx
dorsal to soft palate, extending from choanae to mucosal arches of SP