11 larynx and pharynx Flashcards
the larynx fuc and location
fun voice production
loc c4 c5 c6
components of larynx
1 cartilages
2 membranes and ligaments
3 muscels
1 cartilages devided into
single
-thyroid largest
- cricoid ring like
- epiglotis winglike
paired
-arytenoid main horn
- corniculate on top of horn
-cuneirorm on top of con
2 membranes and ligaments
the pharynx
at the level of c6
devided into 3 parts
nasopharynx
oropharynx
larynreal
muscles of pharynx
total 6
3 constrictors
sup mid
inf - killians dehiscence
4 stylopharangeal
5 palatopaharyngeal
6 salpingopharyngeus
what is killians dehiscence
weak area present between pharynx and esophegas in inferior constrictor
main function of pharynx muscles
help elevate the pharynx
1 nasopharynx
S innervation maxillary nerve 5
- has auditory tube -eustachain
- tubal tonsil
- pharyngial tonsil (adenoid)
2 oropharync
c2 c3
S innervation glossopharyngial 9
PALATINE TONSILS (tonsillar bed)
relations of PALATINE TONSILS
ant-palatoglossas arch
post-palatopharyngial arch
sup-soft palate
inf- post 1/3 of the tongue
medial- ororpharynx
lateral-palate tonsil
3 laryngeopharynx
c4 – c6
S innervation vagus nerve 10
contians -poroform fossa
*prevent swallow of sharp objects
internal laryngeal n
what is the motor innervation or naso/oro/laryngeo?
pharyngeal pluxes -innervated by vagus n
**to all mussels except stylophyrangial m by glossophyrangial
waldeyers tonsillar RING
first define line
1phyrangeal tonsil -naso
2tubal tonsil -naso
3palatin tonsils- oro bed
4lingual tonsil oro pharynx
