What is the neural crest - Study guides, Class notes & Summaries
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NGR6200 Dermatology UPDATED Exam Questions and CORRECT Answers
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NGR6200 Dermatology UPDATED Exam 
Questions and CORRECT Answers 
1. What are the causes of mongolian spots? - Correct ANSWER- Mongolian spots result from 
entrapment of melanocytes in the dermis during migration from the neural crest into the 
epidermis. 
2. Do mongolian spots go away? - Correct ANSWER- Usually in the first year of life they 
decrease in size 
3. Mongolian spots are associated with what disorders? - Correct ANSWER- Cleft lip or palate, 
spinal meningeal tumor, melanoma and ...
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USAHS Clinical Neuroscience Exam Questions and Answers 100% Pass
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USAHS Clinical Neuroscience Exam 
Questions and Answers 100% Pass 
What are the 5 steps of neurological development in order? - Answer- Neurulation, cell 
proliferation, migration and aggregation, formation of axonal and dendritic processes, 
and synaptogenesis 
______________ involves the formation of the neural crest and neural tube. - Answer- 
Neurulation 
Cell proliferation occurs within the ________ _______. - Answer- Neural tube 
During the migration and aggregation phase of embryological ...
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IRENE GOLD BOARDS A+ Compiled Questions and CORRECT Answers
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These are derived from what: 
→muscles 
→tendons 
→ligaments - MESODERM 
Paraxial Somatic 
These are derived from what: 
splanchnic - smooth muscle of organs - MESODERM 
Paraxial Splanchnic 
These are derived from what: 
urogenital system and kidneys - MESODERM 
Intermediate 
These are derived from what: 
→skull muscles, 
→dentine of teeth - MESODERM 
Head 
These are derived from what: 
→adrenal cortex CT, →cardiovascular an lymph - MESODERM 
Lateral Plate 
These are derived fro...
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AAPD QE Board Exam Questions With Answers (Verified And Answers)
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AAPD QE Board Exam Questions With 
Answers (Verified And Answers) 
What layer do neural crest cells develop from? - answerEctoderm 
At what embryonic age does the dental lamina begin to develop? - answer6 weeks 
What are the three components of the tooth bud? - answerEnamel Organ 
Dental papilla 
Dental sac 
What are the three morphologic stages of a developing tooth bud? - answerBud stage 
Cap stage 
Bell stage 
During the bell stage invagination of the epithelium occurs, which layer is essenti...
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NGR6200 Dermatology Questions with Complete Solutions Latest Update 2024
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1. What are the causes of mongolian spots? - ANSWER Mongolian spots result from entrapment 
of melanocytes in the dermis during migration from the neural crest into the epidermis. 
2. Do mongolian spots go away? - ANSWER Usually in the first year of life they decrease in size 
3. Mongolian spots are associated with what disorders? - ANSWER Cleft lip or palate, spinal 
meningeal tumor, melanoma and other rare syndromes. Child abuse is sometimes suspected. 
4. What are the characteristics of eryth...
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vNGR5141 Dermatology Test |Questions and Answers| Rated A
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. What are the causes of mongolian spots? - Mongolian spots result from entrapment of 
melanocytes in the dermis during migration from the neural crest into the epidermis. 
2. Do mongolian spots go away? - Usually in the first year of life they decrease in size 
3. Mongolian spots are associated with what disorders? - Cleft lip or palate, spinal meningeal 
tumor, melanoma and other rare syndromes. Child abuse is sometimes suspected. 
4. What are the characteristics of erythema infectiosum (fifth...
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Neuroscience Exam Study Guide with Questions and Complete Solutions
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What makes up the central nervous system? Brain and spinal cord 
 
What makes up the peripheral nervous system? CN and ganglia 
 
Spinal nerves and ganglia 
 
Enteric nervous system 
 
Sympathetic and parasympathetic 
 
What are the 5 steps of embryological development of the nervous system? Neurulation 
 
Cell proliferation 
 
Migration and aggregation 
 
Formation of axonal and dendritic processes 
 
Synatopgenesis 
 
What is neurulation? Formation of the neural crest and neural tube 
 
(1st s...
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USAHS Clinical Neuroscience CLO 1 PART 1 – 4 WITH CORRECT SOLUTIONS 2024
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USAHS Clinical Neuroscience CLO 1 PART 1 – 4 WITH 
CORRECT SOLUTIONS 2024 
What are the 5 steps of neurological development in order? 
• Neurulation 
• Cell proliferation 
• Migration and aggregation 
• Formation of axonal and dendritic processes 
• Synaptogenesis 
______________ involves the formation of the neural crest and neural tube. 
Neurulation 
Cell proliferation occurs within the ________ _______. 
Neural tube 
During the migration and aggregation phase of embryological deve...
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LATEST bio 4400, Cell Fate and Specification, Exam 2: Neurulation, Exam 2: Neurons, Exam 2 - Neural Crest cells, Exam 2: Sensory placodes and organs, Cell-cell interactions and signaling EXAM WITH ANSWERS
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Ectoderm doesn't move through the __________ or __________ - CORRECT 
ANSWER 1) blastopore (frogs and fishes) 
or 
2) primitive streak (birds and humans) 
Sensory organs all begin in the head as... - CORRECT ANSWER placode 
- thickenings of surface ectoderm 
what are 4 types of cell interactions? - CORRECT ANSWER 1) Internal/mechanical 
2) Juxtacrine signaling 
3) Paracrine signaling 
4) Endocrine signaling 
Note: these are arranged in order of closest interaction to longest distance interactio...
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AAPD QE Board Exam | 240 Questions and Correct Solutions Latest Update
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AAPD QE Board Exam | 240 Questions and 
Correct Solutions Latest Update 
What layer do neural crest cells develop from? - Answer -Ectoderm 
At what embryonic age does the dental lamina begin to develop? - Answer -6 weeks 
What are the three components of the tooth bud? - Answer -Enamel Organ 
Dental papilla 
Dental sac 
What are the three morphologic stages of a developing tooth bud? - Answer -Bud stage 
Cap stage 
Bell stage 
During the bell stage invagination of the epithelium occurs, which la...
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