Philthrum is derived from-: (A) Maxillary process, (B) Mandibular process, (C) Medial nasal process, (D) Lateral nasal process
Answer is C. 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.