Nasal Cavity Flashcards
What are the muscles surrounding the nose
Nasalis and levator labii superioris alaeque nasi
What are the nostrils known as
Naris
What is the external nose structure composed of
Bone and cartilage
What bones are involved in the nose
The nasal part of the frontal bone, nasal bone, ethmoid bone, vomer and lacrimal bone
What cartilage is involved in the nose
The accessory nasal cartilage, septal nasal cartilage, major alar cartilage and fibro-areolar tissue
What are the conchae within the nose
Superior, middle and inferior
Function of the paranasal sinuses
Lighten the skull
What sinuses open into the middle meatus
The frontal, anterior and middle ethmoid, and maxillary
What sinuses open into the superior meatus
Post ethmoidal sinus
What sinuses open into the sphendo-ethmoidal recess
The sphenoidal sinus
What do the post ethmoidal air. Cells form
The bulge of the ethmoidal bulla
What innervates the sphenoidal sinus
The posterior ethmoidal nerve
What innervates the frontal sinus
The supra-orbital nerve
What innervates the ethmoid sinus
The vasociliar
What innervates the maxillary sinus
The superior alveolar nerve
What provides the external nasal blood supply
The anterior and posterior ethmoidal, sphenopalatine, greater palatine and septal branches
What provides the external nervous supply
CN V1
What innervates the alae
The nasal branch of CN V2
What are the vessels of the lateral wall of the nasal cavity
Anterior and posterior ethmoidal, sphenopalatine, lateral nasal and greater palatine
What are the vessels of the medial wall of the nasal cavity
Anterior and posterior ethmoidal, sphenopalatine, greater palatine and septal branch of the superior labial
Where is Kiesselbach’s area found
The medial wall
What veins drain the nasal cavity
Facial, sphenopalatine and ophthalmic
What does the olfactory nerve pass through
The cribriform plate
