Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
27 Cards in this Set
- Front
- Back
5 prominences of the Stomodeum?
|
Frontonasal
2 maxillary 2 Mandibular |
|
Cutaneous Innervation of the Face:
Nerve of the frontonasal prominence? |
opthalmic
|
|
Cutaneous Innervation of the Face:
Neve of the Maxillary process? |
Maxillary
|
|
Cutaneous Innervation of the Face:
Nerve of the Mandibular Arch? |
Mandibular
|
|
Nasal (olfactory) Placodes
|
thickenings of ectoderm on the ventral sides of frontonasal prominence
|
|
Nasal Prominences
|
elevations around placodes
lateral and medial aspects in relation to the nasal pits |
|
Maxillary Prominence growth pattern
|
enlarge and grow medially from each side
fuses 1st w/ medial nasal prominence, 2nd w/ lateral nasal prominence |
|
Nasolacrimal Groove
|
cleft b/t maxillary prominence and lateral nasal prominence
|
|
Nasolacrimal Duct
|
b/t nostrils
epthelial tube made by fusion of maxillary and medial nasal prominences |
|
Maxillae
|
formed from fusion of maxillary and lateral nasal prominences
forms the lateral portion of upper lips and most of cheeks |
|
what does the frontonasal process form?
|
bridge of the nose
|
|
what does the fusion of the medial nasal prominences form?
|
crest, tip, and columella of nose
|
|
what does the fusion of the lateral nasal prominences form?
|
sides (alae) of nose
|
|
what does the labial component of the intermaxillary segment form?
|
groove (philtrum) of the upper lip
|
|
Premaxilla fxns?
|
incisor teeth (front 4) root here
|
|
Primary Palate features
|
palatine process of premaxilla
posterior to incisors, fuses w/ secondary palate |
|
Mandibular Prominences develop into what features?
|
form the lower cheeks and lower lip
|
|
Palatine Shelves
|
derived from growths of left and right maxillary prominences
form the secondary palate |
|
Incisive Foramen
|
small pit b/t secondary and primary palate
allows the nasopalatine nerve to pass through here |
|
what direction does fusion of the palate's go?
|
from anterior to posterior
|
|
Oronasal Membrane
|
separates the oral cavity and nasal cavity during development
|
|
Primitive Choana
|
posterior to primary palate during development
|
|
Definitive Choana
|
located at the jxn of nasal cavity and nasopharynx after development
|
|
Mastoid Air Cells
|
mucous epithelium from otic cavity in the mastoid process
|
|
at what age do frontal sinuses appear?
|
5-6 years
|
|
do the neural crest cells from the anterior brain express Hox genes?
|
no
neither do first pharyngeal arch |
|
what type of neural crest cells are necessary for facial development?
|
only Hox-negative neural crest cells can develop facial bones
|