Chapter 11 - Sinuses/Mandible/TMJ Flashcards
Paranasal sinuses are lined with:
Mucous membrane
Paranasal sinuses are sometimes called the:
Accessory nasal sinuses
How many groups are there of paranasal sinuses
4
What are the 4 groups of paranasal sinuses
Maxillary
Frontal
Ethmoid
Sphenoid
Old term for maxillary sinuses
Antrum of Highmore
Maxillary sinuses are part of what structure
Facial bones
Where are maxillary sinuses located
Body of each maxillary bone
What sinuses are pyramid shaped
Maxillary
Maxillary sinuses have _____ _____ walls
Thin, bony
Conical projections from the __________ ___________ reach into the floor of the sinuses
Upper molars
Maxillay sinuses communicates with the ________ _______ and with each other
Nasal cavity
Nasal cavity is divided into 2 equal chambers called:
Fossae
Where is fluid or mucus in the maxillary sinuses
Nasal cavity/fossae
What sinuses are part of the cranium
Frontal sinuses
Sphenoid sinuses
Ethmoid
Where are frontal sinuses located
Posterior to the glabella
Frontal sinuses rarely become aerated before what age
6
Are frontal sinuses symmetrical
Rarely
What are the frontal sinuses separated by
Nasal septum
Do men or women have larger frontal sinuses
Men
Frontal sinuses may be singular, paired, or:
Totally absent
Where are ethmoid sinuses located
Within the lateral masses of the ethmoid bone
What are the collections in the ethmoid sinuses
Anterior
Middle
Posterior
From a lateral perspective, it looks like the _______ sinuses lie within the orbits, but are really helping to make up the ________ walls of each orbit
Anterior
Medial
Where are the sphenoid sinuses located
Sphenoid bone below the sella turcica