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: Anatomy
Order of the following structures of fallopian tube from lateral to medial- 
Select and explain. 
A. Ampulla-Infundibulum-Isthmus-Interstitial, B. Infundibulum-Ampulla-Isthmus-Interstitial, C. Isthmus-Infundibulum-Ampulla-Interstitial, D. Ampulla-Isthmus-Infundibulum-Interstitial
B: Infundibulum-Ampulla-Isthmus-Interstitial
Answer: B: Infundibulum-Ampulla-Isthmus-Interstitial 
Explanation: The fallopian tube is divided into four parts from lateral to medial, as, infundibulum, ampulla, isthmus, and interstitial regions.