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Middle concha of nose are a part of:

 # Middle concha of nose are a part of:
A. Nasal bone
B. Ethmoid
C. Vomer
D. Maxilla


The correct answer is B. Ethmoid.

The nasal conchae are curved bony projections directed downward and medially. 
The 3 conchae are:
 i) Inferior concha: It is an independent bone. 
ii) Middle concha: It is a projection from the medial surface of the ethmoidal labyrinth.
iii) Superior concha: It is also a projection from the medial surface of the ethmoidal labyrinth. This is the smallest concha situated just above the posterior part of middle concha. 

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