Question

In mammals, the secondary palate is formed by a union of
A. Premaxilla, pterygoid and squamosal
B. Maxilla, quadrate, and palatine
C. Premaxilla, maxilla, and palatine
D. Premaxilla, quadrate and squamosal

Answer 1

Hint: The presence of secondary palate especially is related to mastication, normally contrary to popular perception. The secondary palate includes a tough palate of bones and a posterior continuation of fleshy tissue, the sort of gentle palate, or so they particularly thought. The quite hard palate truly is shaped from premaxilla, maxilla, and palatine bone, demonstrating that the presence of secondary palate for all intents and functions is associated with mastication in a diffuse manner.

Complete answer:
The development of the secondary palate commences in the sixth week of quite human embryonic improvement, which generally is quite massive. It particularly is characterized by the formation of clearly palatal cabinets at the maxillary prominences, the elevation of those shelves to a pretty horizontal function, after which a method of a form of palatal fusion between the horizontal cabinets, which literally in all fairness is massive. The cabinets can even fuse anteriorly upon the primary palate, with the incisive foramen being the landmark between the very primary palate and secondary palate, which virtually indicates that the cabinets can even fuse anteriorly upon the without a doubt number one palate, with the incisive foramen being the landmark the various number one palate and secondary palate in a totally large way. This paperwork, what mainly is called the roof of the mouth, or the genuinely hard palate, quite similarly displays how this bureaucracy is known as the roof of the mouth, or the very difficult palate, which is basically within reason.

Hence, the correct answer is option is C. By union of Premaxilla, maxilla, and palatine the secondary palate is formed.

Note: The formation and development of the secondary palate happen thru signaling molecules SHH, BMP-2, FGF-eight amongst others, pretty similarly displaying how the shelves will even fuse anteriorly upon the commonly primary palate, with the incisive foramen being the landmark between the very primary palate and secondary palate, which simply suggests that the cabinets may also fuse anteriorly upon the form of number one palate, with the incisive foramen being the landmark between the genuinely primary palate and secondary palate, which sort of in all fairness considerable.