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Questions and Answers
Which of the following is NOT a fundamental mechanism involved in the development of the craniofacial region?
Which of the following is NOT a fundamental mechanism involved in the development of the craniofacial region?
- Pattern formation (correct)
- Growth
- Cell differentiation
- Morphogenesis
When does the development of the face occur?
When does the development of the face occur?
- 14th - 18th weeks of intra-uterine life
- 4th - 10th weeks of intra-uterine life (correct)
- 1st - 4th weeks of intra-uterine life
- 10th - 14th weeks of intra-uterine life
Which component contributes to craniofacial development by expanding greatly into the forebrain, midbrain, and hindbrain?
Which component contributes to craniofacial development by expanding greatly into the forebrain, midbrain, and hindbrain?
- Paraxial mesoderm
- Anterior portion of neural tube (correct)
- Ectomesenchyme
- Neural crest cells
What does the paraxial mesoderm form during craniofacial development?
What does the paraxial mesoderm form during craniofacial development?
Where do the neural crest cells from midbrain and the first two rhombomeres migrate to during craniofacial development?
Where do the neural crest cells from midbrain and the first two rhombomeres migrate to during craniofacial development?
Flashcards
Craniofacial development
Craniofacial development
The process of forming the structures of the face and skull during prenatal growth.
4th to 10th weeks
4th to 10th weeks
The period during which the face develops in utero.
Anterior portion of neural tube
Anterior portion of neural tube
The part of the neural tube that expands significantly to aid craniofacial development.
Paraxial mesoderm
Paraxial mesoderm
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Neural crest cells
Neural crest cells
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Study Notes
Craniofacial Development
- The fundamental mechanisms involved in the development of the craniofacial region are patterning, morphogenesis, and differentiation.
Development of the Face
- The development of the face occurs between the 3rd and 8th weeks of embryonic development.
Contribution to Craniofacial Development
- The neural tube contributes to craniofacial development by expanding greatly into the forebrain, midbrain, and hindbrain.
Paraxial Mesoderm Formation
- The paraxial mesoderm forms the somites during craniofacial development.
Neural Crest Cell Migration
- The neural crest cells from the midbrain and the first two rhombomeres migrate to the first and second pharyngeal arches during craniofacial development.
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