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Questions and Answers
What is the study of prenatal development throughout the stages before birth called?
What is the study of the microanatomy of cells, tissues and organs as seen through a microscope called?
What is the first significant change that takes place in the development of the face and mouth?
What can be told by observing the different facial expressions of a person?
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What is the relationship between structure and function examined in histology?
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What is the genetic makeup of gametes (egg and sperm)?
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What is the name of the growth prominence that forms during the 4th week of embryonic development?
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What structures surround the nasal placodes during the 5th week of development?
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Which structure is formed by the fusion of the Medial Nasal Processes at the midline during the 7th week?
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What is the name of the membrane that separates the primordium of the heart and the rapidly enlarging primordium of the brain during the 3rd week of development?
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What is the name of the process that gives rise to the globular and intermaxillary processes?
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Which of the following primordia gives rise to the forehead, nose, and midsection of the upper lip?
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Study Notes
Prenatal Development
- The study of prenatal development before birth is called embryology.
Histology
- The study of the microanatomy of cells, tissues, and organs through a microscope is known as histology.
Face and Mouth Development
- The first significant change in the development of the face and mouth is the formation of the primary palate.
Facial Expressions
- Observing different facial expressions can reveal emotions and psychological states, providing insights into a person's feelings and intentions.
Structure-Function Relationship
- Histology examines how the structure of cells and tissues relates to their functions, offering insights into biological processes.
Genetic Makeup
- The genetic makeup of gametes (egg and sperm) is referred to as their genotype, containing half the DNA necessary for offspring.
Embryonic Development
- During the 4th week of embryonic development, the frontonasal prominence forms as a notable growth.
Nasal Placodes
- Surrounding structures during the 5th week of development include the lateral nasal processes and medial nasal processes, contributing to facial structure.
Midline Fusion
- The fusion of the medial nasal processes at the midline during the 7th week forms the intermaxillary segment, contributing to the upper lip and palate.
Heart and Brain Separation
- The membrane separating the primordium of the heart and the enlarging primordium of the brain during the 3rd week is called the buccopharyngeal membrane.
Formation Process
- The process that gives rise to the globular and intermaxillary processes is known as fusion or merging of embryonic structures.
Midface Primordia
- The primordia that gives rise to the forehead, nose, and midsection of the upper lip is the frontonasal process.
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Description
Learn about the scope and definition of oral histology, histology, and embryology. Understand the microscopic study of tissues in the oral cavity, correlation between structure and function, and prenatal development stages.
