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: ENT
Philthrum is derived from- 
Select and explain. 
A. Maxillary process, B. Mandibular process, C. Medial nasal process, D. Lateral nasal process
C: Medial nasal process
Answer: C: Medial nasal process 
Explanation: Ans. C. Medial nasal processFrontonasal process is divided into:-i) Lateral nasal processes:From alae of nose.ii) Medial nasal processes:These merge with each other to form intermaxillary segment which gives rise to : philtrum (middle pa of upper lip),premaxillary plate.