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7 Cards in this Set

  • Front
  • Back
neural crest cells
form sensory nerons

Schwann cells

enteric and autonomic ganglia

mesenchymal cells of the head and anterior portion of the neck

melaoncytes of the skin and oral mucosa

odontoblasts

cells of the arachnoid and pia

chromaffin cells of the adrenal medulla
neurons
bipolar: two processes -- one axon and one dendrite (sense organs)

psuedo-unipolar: neuron with 1 process: fused axon and dendrite

multipolar: one axon, multiple dendrites

interneuron: connects other neurons in a chain/sequence

motor neuron: conduct impulses from CNS to other neurons
ganglia
encapuslated aggregations of neuronal cell bodies

autonomic ganglia: motor ganglia in which axons of pregang. neurons synapse w/ postgang

craniospinal: sensory ganglia assc with cranial nerves and dorsal roots of spinal nerves DO NOT HAVE SYNAPSES
anencephaly
failure of anterior neuropore to close
Hirschsprung disease
abnormal organogenesis; neural crest fail to migrate and form mysenteric plexus

leads to enlarged colon
neuroglial tumors
50% intercranial tumors (benign oligodendrogliomas to malignant astocytomas)
Huntington chorea
fatal hereditary disease

dementia, death; loss of neurons that produce GABA