Chapter 4: Development of Face and Palate Flashcards
Whats happening in Week 5?
Develop nostrils
Mandibular arch looses midline
Middle of nose called?
Philtrum skin
Septum bone
What three things form the upper lip?
One nasal process
Two lateral maxillary segments
Cleft lip?
A lack of contact or fusion of the medial nasal and maxillary processes
Whats happening in Week 6?
Upper lip is formed
Auricular hillocks (ears) are beginning to form
Eyes and maxillary process comes to the front
Whats happening in week 7?
The eyes approach the front of the face
What are the three parts of the tongue?
central Tuberculum impar and two lateral lingual swellings
Terminal sulcus?
Seperates moveable and unmoveable base of tongue
Name three parts of the palate
Mesial nasal and two lateral
Where is the thyroid located?
Base of tongue
What develops the thyroid gland?
Foramen cecum at the base of the tongue
In week 4, what lies above the oral pit?
frontal process or soon to be forehead
In week 4, What process lies beside the oral pit bilaterally?
Maxillary
When the ameloblasts are secreting, there are short conical processes that develop called
Tomes processes
Where does the cementum lie?
Thin layer that outline the root