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Medical Anatomy > Wk 2 - The Central Nervous System > Flashcards

Wk 2 - The Central Nervous System Flashcards

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USMLE® Step 1 flashcards
1
Q

What cavity of the body is the CNS found in?

A

The dorsal cavity

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2
Q

What protects the CNS

A

Bone. The cranial cavity and vertebral cavity

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3
Q

What is the function of grey matter?

A

Integrates information

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4
Q

What is the function of white matter?

A

Carry information between sites of grey matter in CNS

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5
Q

What is grey matter consisted of?

A

Cell bodies, unmyelinated axons, dendrites and synapses

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6
Q

What is the purpose of cervical enlargements

A

There is lots of sensory information from upper limbs coming in and a lot of motor information coming out at that location. Therefore more room for more cell bodies

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7
Q

What structure can you use to determine Ant and Post in the spinal cord

A

The anterior median fissure AND/OR posterior median sulcus

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8
Q

What is the hole called in the middle of the spinal cord

A

The central canal

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9
Q

What is the fluid found in the CNS

A

Cerebral spinal fluid

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10
Q

What is the beam for the posterior section of grey matter in the spinal cord

A

The dorsal horn

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11
Q

Is the dorsal horn concerned with sensory or motor functions

A

Sensory

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12
Q

What is the anterior part of the grey matter in the spinal cord called?

A

Central horn

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13
Q

What is the name of the outermost meninge layer

A

Dura mater

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14
Q

What is the meninge layer just deep to the dura mater

A

Arachnoid mater

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15
Q

What is the meninge layer just deep to the arachnoid mater

A

Pia mater

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16
Q

What is the space called between the Pia and arachnoid mater and what is in this space?

A

The subarachnoid space, cerebrospinal fluid

17
Q

What is the cone like ending of the spinal cord called

A

The conus medullaris

18
Q

What is the name of the group of nerve roots caudal to the end of the spinal cord?

A

The cauda equina

Medical Anatomy (15 decks)

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