Craniofacial Development Flashcards
1
Q
What does the frontonasal prominence form?
A
forehead, bridge of nose, medial and lateral nasal prominences
2
Q
What does the maxillary prominence form?
A
cheeks, latearl portion of upper lip
3
Q
What does the medial nasal prominence form?
A
philtrum of upper lip, crest, and tip of nose
4
Q
What does the lateral nasal prominence form?
A
alae of nose
5
Q
What does the mandibular prominence form?
A
lower lip
6
Q
What happens at 5-12 weeks?
A
palatogenesis (palate formation)
7
Q
What happens at week 5?
A
cheilogenesis (nose formation)
8
Q
What are the symptoms of pierre robin sequence?
A
micro/retrognathia, glossoptosis, and airway obstruction
9
Q
What are the symptoms of treacher-collins syndrome?
A
- Mandibulo-facial dysostosis
- Underdevelopment of structures associated with Arch 1.
- Downward-slanting eyes, small mandible & malformed/absent ears
- Autosomal dominant, gene on Ch. 5