What are the 5 steps of neurological development in order?
: Neurulation, cell proliferation, migration and aggregation, formation of axonal and
dendritic processes, and synaptogenesis
______________ involves the formation of the neural crest and neural tube.
: Neurulation
Cell proliferation ...
What are the 5 steps of neurological development in order?
🗸: Neurulation, cell proliferation, migration a nd aggregation, formation of axonal and
dendritic processes, and 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 development the cells
migrate/aggregate within _________ locations.
🗸: Definitive
True or false:
Cranial nerves are formed during the formation of axonal and dendritic processes phase of
embry ological development.
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🗸: True
____________ occurs around day 14 of development.
🗸: Neurulation
During __________ the embryo is in the process of gastrolation.
🗸: Neurulation
The __________ is three cell layers thick and includes the ectoderm, m esoderm, and
endoderm.
🗸: Gastrula
The entire nervous system is derived from the ____________ ___________.
🗸: Embryonic ectoderm
On day _____ the notochord develops followed by the neural tube on day _______.
🗸: 21, 28
The _______ ________ deve lops into the the entire CNS.
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🗸: Neural tube
Neural crest cells develop into the ______.
🗸: PNS
What two pathologies can occur during the first stage of embryological development?
🗸: Spina bifida (failure of POSTERIOR neuropore to close) and anencephaly (failure of the
ANTERIOR neuropore to close)
What does the prosencephalon divide into?
🗸: telencephalon and diencephalon
What are the derivatives of the telencephalon and diencepha lon?
🗸: telencephalon: rhinoencephalon (lateral ventricles)
What is the derivative of the mesencephalon?
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🗸: Midbrain (cerebral aqueduct)
What d oes the rhombencephalon divide into?
🗸: metencephalon and myelencephalon
What are the derivatives of the metencephalon and myelencephalon?
🗸: Metencephalon: cerebellum and pons (fourth ventricle)
Myelencephalon: medulla (fourth ventricle)
What doe s the primitive neural tube divide into?
🗸: Neural tube and neural crest
What are the derivatives of the neural tube and neural crest?
🗸: Neural tube: spinal cord (central canal)
Neural crest: peripheral nerve ganglia
The anterior commissure is _________ to the posterior commissure. Powered by TCPDF (www.tcpdf.org)
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