Embryonic Development: Maxillary and Mandibular Processes

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What do the ingrowths from the inner surface of the right maxillary process, left maxillary process, and globular process eventually form?

Primary palate

Palatal shelves (correct)

Maxillary arches

Nasal septum

At what point in embryonic development does the tongue begin to develop?

Midway through the second month

End of the third month

End of the first month (correct)

Beginning of the second month

Which structures unite to close the Y-shaped opening in the roof of the mouth during embryonic development?

Premaxilla with the nasal septum

Maxillary processes with each other and with the premaxilla (correct)

Mandible with the zygomatic bone

Maxillary processes with the mandible

Which region of the stomodeum does the premaxilla originate from in embryonic development?

Between the olfactory pits Signup and view all the answers

What do the ingrowths from the inner surface of the maxillary processes become during palatal structure fusion?

Lateral palatine processes Signup and view all the answers

From which embryonic regions does the tongue primarily develop?

First and second branchial arches Signup and view all the answers

What structures give rise to the upper part of the cheeks, sides of the upper lip, and most of the palate?

Maxillary processes Signup and view all the answers

Which part of the face starts rapid development after the formation of the maxillary processes?

Upper part Signup and view all the answers

What is the role of olfactory placodes in embryonic development?

Sensory epithelium for olfaction Signup and view all the answers

Which structure arises from the right & left maxillary processes and the globular process?

Premaxilla Signup and view all the answers

What marks significant development near the end of the 2nd month in utero?

Development of nasal fossae Signup and view all the answers

Which structures retard the growth of the lower part of the face once they have formed?

Maxillary processes Signup and view all the answers

What is the cartilage of the first branchial arch called?

Meckel's cartilage Signup and view all the answers

From which primordia does the face derive?

Two maxillary processes, two lateral nasal processes, and two mandibular processes Signup and view all the answers

Which process results from the collection of neural crest cells in the future upper face?

Frontonasal process Signup and view all the answers

What happens after the establishment of the stomodeum and the frontal process?

Budding of rounded processes on either end of the first branchial arch Signup and view all the answers

Which structure forms due to continuous progressive separation of the primitive foregut from the future heart?

Branchial arches Signup and view all the answers

What are the names of the cartilages in the second and third arches?

Reichert's and inferior hyoid cartilages Signup and view all the answers