24 Questions
What is the average capacity of the maxillary sinus?
15 ml
During which stage of life do the maxillary sinuses develop?
During the third month of intrauterine life
What is the location of the ostium maxillare?
In the middle nasal meatus
What is the main direction of expansion of the maxillary sinus during its development?
Inferior
What is the consequence of facial growth on the maxillary sinus?
Enlargement
When does the growth of the maxillary sinus slow down?
During puberty
What is the approximate width of the maxillary sinus?
2.5 cm
What is the location of the maxillary sinus in the body?
In the body of the maxilla
What is the size of the maxillary sinus at birth?
8X4 mm
What is the shape of the maxillary sinus?
Pyramidal
What is the function of the maxillary sinus in relation to the skull?
Lightening the weight of the skull
Where is the ostium of the maxillary sinus located?
On the top of the medial wall of the sinus
What is produced by the maxillary sinus?
Lysozyme
What is the function of the maxillary sinus in relation to voice?
Resonance of voice
Which tooth is located in the floor of the maxillary sinus?
All of the above
What is the function of the maxillary sinus in relation to olfaction?
Regulating olfactory modulation
What is the epithelial layer of the maxillary sinus mucous membrane composed of?
Pseudostratified columnar ciliated cells and other types
What is the function of the goblet cell in the maxillary sinus?
To produce and secrete mucous
What is the characteristic of the subepithelial connective tissue layer of the maxillary sinus?
It is loose and contains few elastic fibers
What is the type of mucous membrane that lines the maxillary sinus?
Respiratory type
What is the difference between the mucous membrane of the maxillary sinus and the nasal cavity?
The mucous membrane of the maxillary sinus is thinner
What is the clinical condition characterized by the communication between the oral cavity and the maxillary sinus?
Oro-antral fistula
What type of glands are present in the subepithelial connective tissue layer of the maxillary sinus?
Serous and mucous glands
What is the route by which the secretions of the serous and mucous glands reach the sinus lumen?
Through excretory ducts that pierce the basal lamina
Test your knowledge of the maxillary sinus, a pneumatic space located in the body of the maxilla. Learn about its dimensions, openings, and location in the nasal cavity.
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