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level: Level 2

Questions and Answers List

level questions: Level 2

QuestionAnswer
Provide a detailed description of the process of somite differentiationListen to audio(7 points)
Describe and discuss the significance of the lateral somitic frontierAudio
Define the mesodermal domains on either side of the lateral somitic frontier1.Paraxial mesoderm domain: Remains around the neural tube to form the primaxial/epaxial domain 2. Lateral plate mesoderm: Formed from cells that migrate from the somite across the frontier. Later this domain forms the ebaxial/hypaxial domain
Provide a detailed description of the development of the skeletal musclesJust listen to the audio
Describe how muscle patterning is achievedAudio
Provide a detailed description of the development of cardiac muscles1. Develop from the visceral mesoderm surrounding the developing heart tube and will form myofibrils 2. Myoblasts join together through interconnected muscle bridges 3. Later in development some of the irregularly arranged myofibrils will cluster closer together and form Purkinje fibers that run b/n cardiac muscles 4. These muscles will function to conduct nerve impulses that initiate and regulate the contractions of the cardiac mm throughout the rest of life
List the group of smooth muscles and origin of mesoderm from which they arisewill add picture