nose

Question 1

بسم الله الرحمن الرحيم
الحمدلله فاطر السماوات والأرض

nose 2 ends

Answer 1

nostsrils external

chonae interna

Question 2

nerve supply to external nose

Answer 2

CN V

Infraorbiral ,external nasal of opthalamic
infratrochlear of maxillary

Question 3

arterial supply of external nose?

Answer 3

opthalamic artery> dorsal and external nasal

lateral branch of facial artery for ala of nose and lower parts of septum

Question 4

position nasal cavity

Answer 4

between two orbits below anterior cranial fossa above hard palate

Question 5

roof of nose structure ?

Answer 5

Nasal process of Frontal bone
Ciribriform plate of ethmoid
sphenoid bone

Question 6

floor nose?

Answer 6

hard plate Palatine process of maxilla + Transvers plate of palatine

Question 7

NASAL SEPTUM CONSITS OF ?

Answer 7

VOMER
Prependicular plate of ethmoid
cartilage

Question 8

lateral wall of nose consists of ?

Answer 8

nasal aspect of:
ethmoidal labrynith
maxilla
prependicular palate of palatine !

Question 9

choncha or turbinates ?

Answer 9

bony projections from lateral wall each one has attached border and free margin and the largest is inferior the smalles is the superior
directed downward medially
the superior and middle from ethmoid
the inferior separat bone 
شكرا

Question 10

explain meatuses

مهم

Answer 10

superior meatuse receive oeining of Posterior ethmoidal sinus

middle meatuse
bulla ethmodials: middle ethmoidal sinus
haitus semi lunaris: antrior frontal air sinus anterior ethmoid
posterior : maxillary air sinus

inferior meatus: nasolacrimal duct

shpeno ethmoidal recess : shpenoid air sinus

Question 11

discuss arterial and nerve supply of the lateral wall of nose

Answer 11

Anterior superior
ant pos ethmodial art
ant ethmoidal nerve

anterior inferior
FGA Facial Greate plataine anterior superior alveolar art
anterior superior alveolar nerve

psot superior
shpenopalatine art
lateral post superior of pterygopalatine ganglion

post inferior

greater palatine art

latral post inf of greater palatine of pterygopalatine ganglion

Question 12

discuss artrial and nerve supply of the septum

Answer 12

Antreior superior
Septal branches of ant and post ethmoidal arterirs
septal branch of ant ethmoidal nerve

Post inf
septal branches of sphenopalatine assisted by grater palatine art
septal branches of nasopalatine of pterygopalatine ganglion then descends through incisve formaen through the palate