Neural migration - Study guides, Class notes & Summaries

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 ...

final exam all 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 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 interact...

CMMB 403 Final Exam Questions With Correct Answers What are the origins of the optic vesicle and the lens? - answeroptic vesicle = forebrain (neural ectoderm) lens = surface epidermis --> placode Describe the process of lens induction - answer1. the optic vesicle (forebrain) induces thickening of the surface epidermis (prospective lens placode) 2. the optic vesicle pinches in to form the optic cup and the lens invaginate as well (lens placode comes into contact w/ the optic vesicle) ...

Chapter 1 – The Science of Nutrition Multiple Choice Answer, level, page Level: K = knowledge, A = application/critical thinking What Do We Mean by “Nutrition”? (pp. 5-8) a A 6 1. Which of the following ingredients in a box of toaster pastries would contribute macronutrients to one’s diet? a. Water, high-fructose corn syrup, egg yolk b. Niacin, folic acid, sucralose c. Riboflavin, salt, sodium benzoate d. Thiamin mononitrate, soybean oil, sugar c K 5 2. The term “n...

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...

final exam all 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 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 interact...

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...

How does dendritic pruning change the function of the cell? - ️️It changes the size and shape of the cell, which therefore changes the function. The ______________ you move someone with spasticity through ROM, the more likely you will feel resistance. - ️️Faster What drives guide cells turning on and off? a) Neurotrophins b) Chemoattractants c) Hormones & internal clock d) Filopodia - ️️c) Hormones & internal clock What are 3 pieces of evidence that we have to support that n...

final exam all 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 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 interact...

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 development the cells migrate/aggregate within _________ loca...