This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
All of the following are pas of ethmoid bone, except 
Select and explain. 
A. Uncinate process, B. Inferior concha, C. Middle concha, D. Crista galli
B: Inferior concha
Answer: B: Inferior concha 
Explanation: Pas of ethmoid bone: Cribriform plate Superior concha Middle concha Unicate process Vomer Crista Galli Anterior ethmoidal sinuses Orbital plate of ethmoidal labyrinth Perpendicular plate Middle ethmoidal sinus and bulla ethmoidal NOTES: Ethmoid is very light cuboidal bone situated in the anterior of base of cranial cavity between two orbits It forms: pa of medial orbit walls, pa of nasal septum,pa of roof of orbit, lateral walls of the nasal cavity It comprises: cribriform plate, perpendicular plate, a pair of labyrinth Ref BDC volume3,sixth edition pg 45