Histology (oral anatomy) Flashcards
What develops from the First Branchial Arch?
Maxillary process and Mandibular process
What develops from the Frontal process?
Forehead, frontal bone, median nasal process, and lateral nasal process.
The first branchial arch makes up the maxillary process what is included in the maxillary process?
lateral palatine processes, upper parts of cheek, sides of upper lip
The first branchial arch makes up the mandibular process what is included in the mandibular process?
Lower jaw, lower parts of the face and lower lip, and the anterior 2/3 of the tongue.
Where does the posterior 1/3 of the tongue come from?
2nd and 3rd branchial arches
What nerves innervate the tongue?
XII, V3, VII, IX
What nerve controls the motor movement of the tongue?
XII
What nerve is sensory for the anterior 2/3 of the tongue?
V3
What nerve is taste for the anterior 2/3 of the tongue?
VII
What nerve is sensory and taste for the posterior 1/3 of the tongue?
IX
What are the 3 major pairs of salivary glands?
Submandibular, submental, and parotid glands
What duct is in the submandibular glands?
Wharton’s duct
What duct is in the submental glands?
Ducts of Rivinus empty in Bartholin’s duct
What duct is in the parotid gland?
Stenson’s duct
What are the 3 developmental layers?
Ectoderm, mesoderm, and endoderm
Bud stage is also known as?
Initiation stage
In the proliferation (cap stage) what happens?
It grows
in the initiation (bud stage) what happens?
That’s where it starts
Cap stage is also known as?
Proliferation stage
Bell Stage is also known as?
Differentiation stage
In the differentiation (Bell stage) what happens?
It specializes
What does the DEJ develop from?
The basement membrane
What does enamel come from?
Ameloblasts
Where do the ameloblasts come from?
Inner Enamel Epithelium
Where does the inner enamel epithelium come from?
Enamel Organ
Where does the enamel organ come from?
Dental lamina
What is included in the ectoderm?
Enamel and nervous tissue
What is included in the mesoderm
Forms skeletal and muscular systems and organs
When is root formation complete?
1-4 years after eruption
When does root formation begin?
After the crown is complete
What forms from the Dental Papilla?
Dentin and Pulp
What forms from the dental sac?
PDL, Alveolus, and cementum
What does appositional growth mean?
Layer by layer
What developes from the interna and external enamel epithelium, and helps determine outline of the root and dissolves?
Hertwig’s epithelial root sheath (HERS)
What is remnants of HERS also known as
Rests of Malassez
Rests of Malassez have the potential to form what kind of pathology in the mouth?
Cysts
What is remnants of the dental lamina also known as?
Rests of Serres
