The spinal cord and cranial nerves Flashcards

1
Q

What matter is deep on the spinal cord

A

Gray

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2
Q

Dorsal

A

Posterior, sensory

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3
Q

Ventral

A

Anterior, motor

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4
Q

Spinal nerve steps if injury

A
  1. Receptor
  2. Sensory neuron
  3. Integration center
  4. Motor neuron
  5. Effector
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5
Q

above the dura mater and contains fat

A

Epidural space

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6
Q

between dura mater and arachnoid mater

A

Subdural space

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7
Q

between the pia mater and the arachnoid mater

A

Subarachnoid space

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8
Q

The spinal cord begins at the ______ of the skull and ends between the L1 and L2 vertebra

A

foramen magnum

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9
Q

End of the lumbar region

A

Conus medullaris

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10
Q

End of tail bone

A

Cauda equina

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11
Q

continues through the vertebral cavity and anchors to the coccyx

A

Filum terminale

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12
Q

Cervical enlargements control

A

Nerves of the arms

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13
Q

Lumbar enlargements control

A

Nerves of the legs

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14
Q

along the dorsal surface of the spinal canal

A

Posterior (dorsal) median sulcus

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15
Q

is deeper than the other

A

Anterior (ventral) median fissure

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16
Q

joins the “wings” of gray mater

A

Gray commissure

17
Q

runs through the middle and is filled with CSF

A

Central canal

18
Q

The _____ “wings” on the posterior side are
thinner and extend to the outer surface

A

Dorsal horn

19
Q

The ____ “wings” of the anterior side are broader

A

Ventral horn

20
Q

How many cervical spinal nerves

A

Eight

21
Q

How many thoracic spinal nerves

A

12

22
Q

How many lumbar spinal nerves

A

5

23
Q

How many sacral spinal nerves

A

5