This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Head and neck, Subject name: Anatomy
Facial skeleton develops from 
Select and explain. 
A. Neural crest, B. Paraxial mesoderm, C. Intermediate mesoderm, D. Lateral plate mesoderm
A: Neural crest
Answer: A: Neural crest 
Explanation: The viscerocranium forms the facial skeleton and the major pa of which develops from mesenchyme derived from 1st and 2nd pharyngeal arches.The lacrimal and nasal bones are derived from neural crest cells. The paraxial mesoderm undergoes segmentation to form somitomeres and somites that fuher differentiate into sclerotome, myotome, and dermatome. The intermediate mesoderm forms most of the genito-urinary system -eg; kidneys, testes, ovaries The lateral plate mesoderm forms body wall and body cavities. Reference: Textbook of clinical embryology, Vishram Singh,1st edition,page no.94,49