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: Dental
The premaxilla harbouring maxillary central incisors is embryonically derived from: 
Select and explain. 
A. Median nasal process., B. Lateral nasal process., C. Medial nasal process., D. None.
A: Median nasal process.
Answer: A: Median nasal process. 
Explanation: None