This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Valve of Rosenmuller is present in which pa of lacrimal system? 
Select and explain. 
A. Puncta, B. Canaliculi, C. Lacrimal sac, D. Nasolacrimal duct
B: Canaliculi
Answer: B: Canaliculi 
Explanation: Answer- B. CanaliculiValve of Rosenmuller is a small flap of mucosa in lacrimal canaliculus at its junction with lacrimal sac.