Term
What does neural tube neuroectoderm give rise too? |
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Definition
CNS cell types Retina Posterior Pituitary |
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Term
What does Neural Crest give rise too? |
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Definition
PNS cell types Soft meninges Andrenal Medulla |
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Term
What do Cranial neural crest give rise too? |
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Definition
Cranial primary sensory ganglia cranial parasympathetic ganglia cranial nerve glia (except CN2) cranial soft meninges |
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Term
What do Truncal Neural Crest cells give rise too? |
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Definition
DRG peripheral nerve glia sympathetic ganglia andrenal chromaffin cells |
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Term
What gives rise to parasympathetic (enteric) ganglia? |
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Definition
Circumpharyngeal/Vagal and Sacral neural crest cells |
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Term
What determines the final fate of neural crest cells? |
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Definition
The signalling they recieve during migration |
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Term
What determines the final fate of neural crest cells? |
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Definition
The signalling they recieve during migration |
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Term
What neural crest cells take a dorsalateral migration path? |
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Definition
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Term
What neural crest cells take a ventral migration path? |
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Definition
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Term
What neural crest cells take a ventrolateral migration path? |
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Definition
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Term
sympathoadrenal neural crest cells can be differentiated into two cells. What are these cells and what signals differentiate them? |
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Definition
Postganglionic sympathetic neurons: -nerve growth factor
adrenal chromaffin cells -glucocorticoids |
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Term
GDNF (glia derived neurotrophic factor) signals the neural crest into differentiation of what cells? |
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Definition
Parasympathetic plexuses of the gut |
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Term
Dura mater originates from what cells? |
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Definition
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Term
Pia and Arachnoid mater originate from what cells? |
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Definition
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Term
What are the myelin forming cells of the CNS? |
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Definition
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Term
What are the myelin forming cells of the PNS? |
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Definition
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Term
What are the post-mitotic cells of the CNS? |
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Definition
Neurons, Astrocytes, Oligodendrocytes, and microglia |
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Term
Neuroblasts give rise to what cells in the CNS? |
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Definition
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Term
Glioblasts give rise to what cells in the CNS? |
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Definition
Astrocytes and Oligodendrocytes |
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Term
Mesoderm gives rise to what cells in the CNS? |
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Definition
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Term
What comes first? Neurogenesis or gliogenesis? |
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Definition
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Term
What are the four functional groups of neurons that develop in cord? |
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Definition
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Term
In the brainstem, what is the position of the basal and alar plate? |
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Definition
Basal plate is medial to the alar plate |
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Term
The developing medulla contains what cranial nerve? |
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Definition
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Term
The developing pons contains which cranial nerves? |
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Definition
4 Trochlear and 6 Abducens |
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Term
The developing midbrain contains what cranial nerves? |
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Definition
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Term
What cells make up the CNS glia? |
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Definition
astrocyte oligodendrocyte microglia |
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Term
What is the peak time for neuron synthesis? |
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Definition
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Term
What is the one glial subtype that developes before neurons? What is the function? |
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Definition
Radial glia. Create temporary "scaffolding " that allows the neuron to reach its place |
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Term
What causes the tight junctions to form for the blood brain barrier? |
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Definition
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Term
What drugs can pass the blood-brain barrier? |
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Definition
lipophillic or hydrophobic drugs |
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Term
Completion of myelination of the anterior cerebellum happens in the 20's and grants what type of cognitive function? |
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Definition
Executive function: wisdom insight judgement foresight "maturity" personality |
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Term
Where does persistant neural growth occur in adults? |
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Definition
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Term
What are the two neural stem cells? |
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Definition
lateral walls of lateral ventricles
hippocampus |
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