This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Special Senses: Hearing and Equilibrium, Subject name: Physiology
Stereocilia and kinocilium are present in 
Select and explain. 
A. Tongue, B. Inner ear, C. Nose, D. Eye
B: Inner ear
Answer: B: Inner ear 
Explanation: (B) Inner ear > A kinocilium is a special type of cilium on the apex of hair cells located in the sensory epithelium of the vertebrate inner ear. Stereocilia (or stereovilli) are apical modifications of the cell, which are distinct from cilia and microvilli, but closely related to the latter. They are found in three regions of the body: the ductus deferens, the epididymis and the inner ear.