5 Questions
Which structure is responsible for the development of many skeletal and connective tissues such as bone, cartilage, dentin, and dermis?
Neural crest cells
At what embryonic age does the dental lamina begin its development?
6 weeks
Which component arises from the expansion of the basal layer of the oral cavity epithelium?
Dental lamina
Which structure is NOT a component of the tooth bud?
Neural crest cells
What is the main function of the dental sac in tooth development?
Support the tooth bud
Study Notes
Neural Crest Cells
- Develop from ectoderm along the lateral margins of the neural plate
- Undergo extensive migration
- Responsible for the development of many skeletal and connective tissues, including:
- Bone
- Cartilage
- Dentin
- Dermis
- Not responsible for the development of enamel
Dental Lamina
- Begins development at 6 weeks of embryonic age
- Differentiates from the expansion of the basal layer of the oral cavity epithelium
- Gives rise to tooth buds
Tooth Bud Components
- Enamel organ
- Dental papilla
- Dental sac
Explore the key stages of dental development in embryology, from neural crest cells to tooth bud components. Learn about the origin, differentiation, and migration of crucial cell types responsible for forming teeth and related structures.
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