Flashcards in Lecture 1 Deck (24)
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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
