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40 Cards in this Set
- Front
- Back
Primary neurulation sequence
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Primitive node -> <BMP4, >FGF -> Neural plate -> Neural folds -> Neural tube
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Secondary neurulation sequence
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Undifferentiated mesenchyme -> Neural cord -> S3-coccyx
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Nucleus in S-phase (spinal cord devo)
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Near surface of neural tube
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Nucleus in M-phase (spinal cord devo)
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Near lumen of neural tube
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Ependymal cells (source, layer in spinal cord)
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Cells remaining in ventricular layer (don't migrate), ventricular layer
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Gray matter (source, layer in spinal cord)
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Neuroblasts, glioblasts, intermediate layer
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White matter (source, layer in spinal cord)
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Myelinated axons of neurons, marginal layer
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Sensory neuron column (source, layer in spinal cord)
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Basal plates, dorsal intermediate layer
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Motor neuron column (source, layer in spinal cord)
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Basal plates, ventral intermediate layer
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Sympathetic, parasympathetic motor neuron regions
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Basal plates, ventral intermediate layer lateral growth
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Spinal cord at 8 weeks
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Coccyx-4
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Spinal cord at 24 weeks
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S-1
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Spinal cord at birth
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L-3
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Spinal cord at adulthood
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L-1, L-2
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Cerebral hemispheres
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Telencephalon
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Thalamus, hypothalamus
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Diencephalon
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Midbrain
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Mesencephalon
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Cerebellum, pons
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Metencephalon
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Medulla
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Myelencephalon
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Sensory cell bodies of cranial nerves
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Alar plates in mesencephalon/rhombencephalon
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Motor neuron cell bodies of cranial nerves
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Basal plates of mesencephalon/rhombencephalon
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Lateral ventricles
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Telencephalon
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3rd ventricle
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Diencephalon
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Cerebral aqueduct
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Mesencephalon
*Most common area for blockage |
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4th ventricle
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Metencephalon/myelencephalon
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External granular layer (describe migration)
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Intermediate layer to marginal layer/pia mater
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Purkinje layer (describe migration)
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Intermediate layer to marginal layer/external granular layer
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Internal granular layer (describe migration)
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External granular layer to Purkinje layer/marginal layer
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Deep cerebellar nuclei
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Remain in intermediate layer
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Basal ganglia
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Ganglion eminence / Telencephalon
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Cortical layer
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Splits preplate layer into superficial marginal and deep subplate layer
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Preplate layer
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Forms in between pia mater and marginal layer
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Primary sensory neurons
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Neural crest cells
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Schwann cells
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Neural crest cells
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Postganglionic autonomic fibers
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Neural crest cells
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Primary sensory neurons for CN 5, 7, 9, 10
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Epipharyngeal placodes
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Primary sensory neurons for CN I
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Olfactory placode
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Primary sensory neurons for CN VIII
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Otic placode
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Primary motor neurons
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Neuroepithelium (ectoderm) of neural tube
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Preganglionic motor neurons
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Neuroepithelium (ectoderm) of neural tube
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