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25 Cards in this Set
- Front
- Back
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Dorsal
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Moving towards the top of the brain
___ View: looking down on the top of the brain |
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Ventral
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Moving towards the bottom of the brain
___ View: looking up at the bottom of the brain |
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Superior
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Above
A structure "_____" to another is above it. |
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Inferior
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Below
A structure "____" to another is below it. |
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Medial
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Moving towards the midline of the brain.
____ View: looking at the midline |
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Lateral
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Moving away from the midline of the brain.
____ View: looking at the side of the brain. |
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Rostral
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aka Anterior
Moving towards the front of the brain A structure "____" to another is in front of it. |
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Caudal
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aka Posterior
Moving towards the back of the brain. A structure "____" to another is behind it. |
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Anterior
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Rostral
Moving towards the front of the brain A structure "____" to another is in front of it. |
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Posterior
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aka Caudal
Moving towards the back of the brain. A structure "____" to another is behind it. |
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Sagittal Plane
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Plane cut down the midline
Btwn cerebral hemispheres (perpendicular to the ground) |
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Parasagittal Planes
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Plane cuts parallel to the sagittal cut off (left/right of) the midline.
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Horizontal Planes
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Planes cut from rostral (front) to caudal (back)
PARALLEL to the ground |
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Coronal Planes
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Planes cut from Dorsal (top) to Ventral (bottom)
PERPENDICULAR to ground AND sagittal |
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CNS
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Central Nervous System
Brain and Spinal Cord |
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PNS
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Peripheral Nervous System
All neural structures beside the brain and spinal cord |
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Neuron
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functional unit/cell of the nervous system
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Nucleus
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compact cluster of neurons w/ a common function, located in the CNS
Shows up as "grey" matter |
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Ganglion
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collection of neurons w/ a common function, located in the PNS
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Axon
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Fiber extension of a neuron providing communication from one cell to another, conducting electrical impulses away from the cell body/soma
Covered my myelin sheath |
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Fasciculus
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Small collection of axons in CNS
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Tract
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Medium size collection of axons in CNS
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Peduncle
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Large collection of axons in CNS
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Commissure
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the place where two things are joined
collection of axons in the CNS that cross the midline and connects symmetrical brain structures from each hemisphere ex: corpus callosum, anterior and posterior ____ |
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Nerve
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enclosed, cable-like bundle of axons only found in the PNS
pathway for electrochemical impulses |
