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1

What are the three planes of disection?

Sagittal
Frontal (Coronal)
Horizontal (Transverse)

2

What is the name for the tilt of the midbrain and at about what angle does it tilt?

Cephalic Flexture
70-80 Degrees

3

Sulcus

Groove/ Valley in the brain

4

Gyrus

Hill/Bump in the brain

5

Fissure

Deep sulcus

6

Ipsilateral

Same side

7

Contralateral

Opposite side

8

Bilateral

both sides

9

Decussate or Decussation

Movement of fiber pathways across the midline connecting non-homologous structures in the Central Nervous System (CNS)

10

Commissure or Commissural

Fiber pathways across the midline connecting homologous structures in the CNS

11

What are the 4 main lobes of the brain?

Frontal
Parietal
Temporal
Occipital

12

What seperates the CNS from the PNS?

Bone

13

What is the name for incoming useful information to the CNS from the PNS?

Afferent

14

What is the name for information sent from the CNS back to the PNS?

Efferent

15

How do Primary afferent/efferent enter/leave the CNS

Ipsilaterally at the level they enter/exit

16

Somatic Nervous System contains?

Sensory signals
Voluntary actions

17

Autonomic Nervous System in made up of what other systems?

Sympathetic
Parasympathetic
Enteric

18

How big is a micron?

A millionth of a meter

19

Mininges are made up of what kind of tissue?

Connective tissue

20

What fluid is between the mininges? What are the names of these layers?

Cerebrospinal fluid
Subarchnoid Space & Pia Mater

21

What is the thickest, outer layer that provides mechanical strength and is pain sensitive?

Dura Mater

22

What is the second layer of meninges that is filled with a majority of the CSF? It is spider web like.

Arachnoid Space

23

What is the innermost later of meninges? It follows the contours of the brain.

Pia Mater

24

What is the normal resting pressure of CSF?

150-180 mm H2O