Nose Anatomy Flashcards
Name the 3 nasal concahae…
superior concha
middle concha
inferior concha
What epithelium type is the nasal mucosa?
stratified squamous epithelium
respiratory epithelium
olfactory epithelium
what is the role of the paranasal sinus?
voice resonance
reduces weight of skull
What is it called when the mucosa in the paranasal sinus becomes inflamed?
sinusitis
what is the role of the olfactory bulb?
holds air for longer so it can reach receptor cells
What is the olfactory nerve (CN I) pathway?
1) receptor cells in olfactory epithelium
2) pass up through cribriform plate
3) synapse with olfactory bulb
4) neurones pass along olfactory tract
5) to temporal lobe and olfactory areas
what type of epithelium lines the olfactory bulb?
olfactory epithelium
What is the name of the most dense anastomosis in the nasal cavity? and what does rupture/perforation of this result in?
Kiesselbach’s plexus (Littles area)
Epistaxis
What artery runs through the nasal septum?
septal branch of superior labial artery
Name 2 branches of the maxillary artery…
sphenopalatine artery
greater palatine artery
Name 2 branches of the ophthalmic artery…
anterior ethmoidal artery
posterior ethmoidal artery
Name 2 branches of the facial artery…
septal branch of superior labial artery
lateral nasal artery
