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33 Cards in this Set

  • Front
  • Back
Types of neurons
Unipolar, pseudounipolar, multipolar
Nucleus
collection of cell bodies in CNS
Ganglion
collection of cell bodies in PNS
Tracts
Bundles of axons in CNS
Roots, rami, nerves
Bundles of axons in PNS
Gray matter
nuclei, cell bodies
White matter
Rest of spinal cord, axons, white(myelin)
Afferent
Sensory, going toward spinal cord
Efferent
Motor, going away from spinal cord
Special senses
Sight, hearing, smell, touch
General sense
Everything else other then special senses, sensation from skin, muscle
Somatic
Skeletal muscle, voluntary
Visceral
Smooth muscle, cardiac muscle, glands, arrector pili
GSE
General somatic efferent, skeletal
GVE
General visceral efferent, control viscera
GSA
General somatic afferent, sensation from skin
GVA
General visceral afferent, sensation from viscera
How many spinal nerves are there
31
Name spinal nerves
12 thoracic, 8 cervical, 5 lumbar, 5 sacral, 1 coccygeal
Dorsal root
Sensory only
Dorsal ramus
Sensory + motor
Ventral root
Motor only
Ventral ramus
Sensory+ motor
Dorsal root ganglion
unipolar neurons
Which functional components are contained in any given spinal nerve
all 4 - GSA, GVA, GSE, GVE
GSE
Innervate skeletal muscle, cell bodies located in spinal cord, cell bodies are multipolar
GSA
innervate skin, pseudounipolar neurons, cell bodies in PNS
GSA + GVA, GSE+GVE
only ar certain levels - T1-L2, S2-S4
Which functional components does dorsal root have?
GSA (GVA only T1-L2, S2-S4)
Which functional components does Ventral root have
GSE
Which functional components does spinal nerve have
GSA, GSE, GVA, GVE
What functional components does ventral and dorsal rami have at level T1-L2
GSA, GVE, GSE, GVA
What kind of deficit in spinal injury
motor+sensory