Facial Embryology

Question 1

Prominences are composed of which germ layers?

Answer 1

Ectoderm, Mesoderm and neural crest cells

Question 2

Oblique Cleft is the failure of fusion of what?

Answer 2

maxxilla and lat. nasal prominence

Question 3

what are the pieces of the frontonasal prominence?

Answer 3

Med/ lat prominence, nasal septum, primary palate

Question 4

A funnel-shaped opening, especially the posterior nares

Answer 4

primitive choana

Question 5

3 intermaxillary segment pieces

Answer 5

Labial, incisor, palatal

Question 6

The anterior and posterior palate is marked by what structure?

Answer 6

incisive fossa

Question 7

all oral nasal epithelium and placodes are derived from which germ layer?

Answer 7

ectoderm

Question 8

Name all major prominences

Answer 8

Frontonasal (also has medial and lateral nasal), Maxillary, Mandibular

Question 9

Palatine shelves are outgrowths of

Answer 9

the maxillary prominences.

Question 10

the soft palate is considered part of the

Answer 10

secondary palate

Question 11

dorsal most aspect of the primary palate

Answer 11

Incisive fossa