Save
Busy. Please wait.
or

show password
Forgot Password?

Don't have an account?  Sign up 
or

Username is available taken
show password

why


Make sure to remember your password. If you forget it there is no way for StudyStack to send you a reset link. You would need to create a new account.
We do not share your email address with others. It is only used to allow you to reset your password. For details read our Privacy Policy and Terms of Service.


Already a StudyStack user? Log In

Reset Password
Enter the associated with your account, and we'll email you a link to reset your password.
focusNode
Didn't know it?
click below
 
Knew it?
click below
Don't know
Remaining cards (0)
Know
0:00
share
Embed Code - If you would like this activity on your web page, copy the script below and paste it into your web page.

  Normal Size     Small Size show me how

Embryo-Face Dev

Embryology development of face NWHSU

QuestionAnswer
The mouth arises from ______. Surface Ectoderm
Another name for the primitive mouth is ______. Stomodeum
This structure separates the stomodeum from the pharynx. Buccopharyngeal (oropharyngeal) membrane
When does the buccopharyngeal membrane rupture? 24 days
When does the facial primordia appear? 4th week
What forms the facial primordia? Proliferation of underlying mesoderm
The frontal prominence forms what structures? Forehead, dorsum, and apex of nose
The two maxillary processes form what structures? Cheeks, lateral parts of upper lip and jaw, and secondary palate
What facial primordia forms the lower face, jaw and lip? Mandibular process of the 1st branchial arch
Nasal placodes appear in the 4th week from _____. surface ectoderm
The alae of the nose arise from ____. lateral nasal swellings
The medial nasal swellings form what structures? Philtrum of upper lip, middle part of maxilla (four incisors), and entire primary palate
What are the nasal pits? Depressed area between medial and lateral nasal swellings
This later forms the nasolacrimal duct. Nasolacrimal groove
From where do the muscles of facial expression arise? Mesenchyme of 2nd arch
The triangle in front of palatine foramen is the _____. Primary palate
What separates the primary and secondary palate? Incisive foramen
Describe formation of secondary palate. In 6th week palatine shelves grow obliquely downward on each side of tongue. In 7th week, palatine shelves ascend to horizontal positions above tongue and fuse. They also fuse with nasal septum.
In the lateral cleft lip, where is the cleft located? Edge of the philtrum
In the cleft upper jaw, where is the cleft located? Between the incisors and cuspids
What is the embryonic cause of a median cleft lip? failure to fuse medial nasal swellings
What is the embryonic cause of a oblique facial cleft? failure to fuse lateral nasal and maxillary swellings
What is macrostomia? Under fused - larger mouth
What two anomalies form in failure of palatine shelves to fuse together? Cleft of secondary palate and cleft of uvula
This is Trish's
Created by: sdschwartz
 

 



Voices

Use these flashcards to help memorize information. Look at the large card and try to recall what is on the other side. Then click the card to flip it. If you knew the answer, click the green Know box. Otherwise, click the red Don't know box.

When you've placed seven or more cards in the Don't know box, click "retry" to try those cards again.

If you've accidentally put the card in the wrong box, just click on the card to take it out of the box.

You can also use your keyboard to move the cards as follows:

If you are logged in to your account, this website will remember which cards you know and don't know so that they are in the same box the next time you log in.

When you need a break, try one of the other activities listed below the flashcards like Matching, Snowman, or Hungry Bug. Although it may feel like you're playing a game, your brain is still making more connections with the information to help you out.

To see how well you know the information, try the Quiz or Test activity.

Pass complete!

"Know" box contains:
Time elapsed:
Retries:
restart all cards