Podcast
Questions and Answers
What is the source of embryonic stem cells?
What is the source of embryonic stem cells?
- Gastrulation
- Sheet of cells that give rise to epi-and hypoblast (correct)
- Neural plate formation
- Blastocyst
Which stage of embryonic development is responsible for the formation of the neural plate?
Which stage of embryonic development is responsible for the formation of the neural plate?
- Neurulation
- Neural plate formation (correct)
- Gastrulation
- Ectoderm formation
Which germ layer is responsible for the development of the gut, liver, and thyroid?
Which germ layer is responsible for the development of the gut, liver, and thyroid?
- Mesoderm
- Neural crest
- Ectoderm
- Endoderm (correct)
During which stage of embryonic development do the body walls start to fold?
During which stage of embryonic development do the body walls start to fold?
Which of the following is a derivative of the mesoderm?
Which of the following is a derivative of the mesoderm?
What is the purpose of the neural crest cells?
What is the purpose of the neural crest cells?
At what age does the fusion of the symphysis menti occur?
At what age does the fusion of the symphysis menti occur?
What is the origin of the tissues that form the dental pulp?
What is the origin of the tissues that form the dental pulp?
Which of the following is NOT a growth site of the mandible?
Which of the following is NOT a growth site of the mandible?
What is the name of the signal that drives tooth development?
What is the name of the signal that drives tooth development?
During which stage of tooth development is the dental follicle formed?
During which stage of tooth development is the dental follicle formed?
What is the name of the tissue that forms the enamel of the tooth?
What is the name of the tissue that forms the enamel of the tooth?
What is the outermost layer of the embryo at the end of gastrulation?
What is the outermost layer of the embryo at the end of gastrulation?
What is the anatomical structure labeled as 3 in the diagram?
What is the anatomical structure labeled as 3 in the diagram?
Which structure grows at the same rate as the general body?
Which structure grows at the same rate as the general body?
At what age is the growth of the skull almost complete?
At what age is the growth of the skull almost complete?
What is the innermost layer of the embryo at the end of gastrulation?
What is the innermost layer of the embryo at the end of gastrulation?
When is the growth of the face complete?
When is the growth of the face complete?
What is the name of the structure that produces mineralized tooth tissues during the late bell stage of tooth development?
What is the name of the structure that produces mineralized tooth tissues during the late bell stage of tooth development?
During the early bell stage of tooth development, which of the following histological features is NOT characteristic of this stage?
During the early bell stage of tooth development, which of the following histological features is NOT characteristic of this stage?
What is the name of the structure that provides the outermost layer of the enamel organ during the early bell stage of tooth development?
What is the name of the structure that provides the outermost layer of the enamel organ during the early bell stage of tooth development?
During the late bell stage of tooth development, which of the following cells is responsible for producing dentin?
During the late bell stage of tooth development, which of the following cells is responsible for producing dentin?
What is the name of the structure that forms the junction between the enamel organ and the dental papilla during the early bell stage of tooth development?
What is the name of the structure that forms the junction between the enamel organ and the dental papilla during the early bell stage of tooth development?
During the early bell stage of tooth development, which of the following histological features is characteristic of the enamel organ?
During the early bell stage of tooth development, which of the following histological features is characteristic of the enamel organ?
What is the anatomical feature located between the upper and lower lips?
What is the anatomical feature located between the upper and lower lips?
Which of the following anatomical features is NOT located in the palate?
Which of the following anatomical features is NOT located in the palate?
What is the name of the process by which the shape of the bone is restored?
What is the name of the process by which the shape of the bone is restored?
Which type of cells are responsible for breaking down bone tissue?
Which type of cells are responsible for breaking down bone tissue?
What is the name of the structure that separates the roots of multi-root teeth?
What is the name of the structure that separates the roots of multi-root teeth?
What is the name of the anatomical feature located at the junction of the upper and lower lips?
What is the name of the anatomical feature located at the junction of the upper and lower lips?
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