Term
| what is the neural crest theory? |
|
Definition
| neural crest cells are specialized embryonic cells meant to develop into connective and neural tissues |
|
|
Term
| which theory says that the cells know what to do and move to different places at different times and know what their job will be when they get there? |
|
Definition
|
|
Term
|
Definition
| interruptions at any point in the cellular facial development |
|
|
Term
| what is the neuropressed theory? |
|
Definition
| the embryo forms connective tissues, neural structures, nerves, and the brain itself. These cells are highly programmed and they migrate from one spot to another on the embryo and once they're there they unfold and become the tissues they're supposed to be |
|
|
Term
| when does the lip/alveolus typically occur? |
|
Definition
|
|
Term
| where does development of the lip/alveolus develop? |
|
Definition
| starts at the incisive foramen |
|
|
Term
| where does fusion of the lip/alveolus happen? then where does it move? |
|
Definition
| starts at the incisive foramen and moves anteriorly |
|
|
Term
| What proceeds in an anterior direction through the fusion of bilateral incisive suture lines? |
|
Definition
| development of the lip and palate |
|
|
Term
| what happens when the palate begins closing? |
|
Definition
| it starts at incisive foramen and works anteriorly |
|
|
Term
| if there is a cleft, it usually falls along which suture line? |
|
Definition
| the bilateral incisive suture lines |
|
|
Term
| the vomer bone moves down and fuses with what? |
|
Definition
| the superior surface of the hard palate |
|
|
Term
| what completes separation of the nasal-oral cavity? |
|
Definition
| the vomer bone moving down and fusing with the surface of the hard palate |
|
|
Term
| what is also moving downward at the same time as the vomer bone? |
|
Definition
|
|
Term
| when the tongue begins to drop, what happens to the palatal shelves? |
|
Definition
| they more from vertical to horizontal and fuse |
|
|
Term
| when the tongue begins to drop, what happens to the palatal shelves? |
|
Definition
| they more from vertical to horizontal and fuse |
|
|
Term
| fusion of the palatal shelves begins with what two things? Where does it proceed to? |
|
Definition
| is begins with the premaxilla and incisive foramen - it proceeds to the periphery |
|
|
Term
| the hard palate is formed by the union of what? |
|
Definition
| the palatal shelves that develop from the maxillary process |
|
|
Term
| when does the palate form? |
|
Definition
| 8th or 9th week of gestation |
|
|
Term
| the soft palate and uvula are complete by what week gestation? |
|
Definition
|
|
