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103- Orofacial structures
SCC- Fellman
26
Dentistry
Professional
12/07/2015

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Cards

Term
The palate is broken down into which two developmental divisions?
Definition
primary and secondary palate
Term
The soft and hard palate tissues begin forming during which week of development?
Definition
5th week
Term
The intermaxillary segment forms from swelling and fusion of which 2 structures?
Definition
medial nasal process
Term
The intermaxillary segment gives rise to which structure?
Definition
primary palate
Term
what is another term for the primary palate?
Definition
premaxillary process
Term
The primary palate makes up how much of the palate?
Definition
anterior 1/3
Term
The primary palate contains which teeth?
Definition
incisors
Term
Which structure develops into the philtrum of the upper lip?
Definition
globular process
Term
during which week do the palatal shelves develop from the sides of the maxilla?
Definition
6th week
Term
During which week of development does the tongue drop down to allow the shelves to fuse with the primary palate?
Definition
7th week
Term
During which weeks do the 2 maxillary processes fuse with the primary palate?
Definition
7-8th week
Term
The nasal cavity forms grows from from fusion of the vertical nasal septum with what other structure?
Definition
horizontal palate
Term
When does the nasal cavity finish forming?
Definition
12th week
Term
During which weeks does the tongue develop?
Definition
4-8th week
Term
the anterior 2/3 portion of the tongue forms from 2 lateral swellings and contains a central structure called what?
Definition
tubercular impar
Term
What is the term for the line of fusion on the tongue between the two lateral swellings?
Definition
median lingual sulcus
Term
The anterior portion of the tongue forms from which branchial arch?
Definition
1st
Term
The posterior portion of the tongue forms from which branchial arches?
Definition
2nd and 3rd
Term
The 3rd branchial arch contains which central swelling?
Definition
copula
Term
what is the V shaped structure that separates the base and body of the tongue?
Definition
sulcus terminalis
Term
Which opening is found at the tip of the sulcus terminalis
Definition
foramen cecum
Term
The foramen cecum is the beginning of which gland?
Definition
thyroglossal duct of the thyroid gland
Term
Lingual papilla appear during which week of development?
Definition
8th week
Term
Which papilla develop first (2)
Definition
circumvallate papilla
foliate papilla
Term
Which papilla are the last to develop? During which weeks?
Definition
filiform during weeks 10-11
Term
When do taste buds develop?
Definition
11-13 weeks
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