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Neuro Chapter 7
The Structure of the Nervous System
16
Biology
Undergraduate 2
11/03/2009

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Term
anterior
Definition
front, nose-side of brain
Term
posterior
Definition
back of brain,
Term
dorsal
Definition
part of brain facing upward
Term
ventral
Definition
part of the brain facing downward
Term
midline
Definition
the invisible line running down the middle of the nervous system
Term
medial
Definition
structures closer to the midline of the brain
Term
lateral
Definition
structures farther away from the midline of the brain
Term
ipsilateral
Definition
two structures that are on the same side of the brain
Term
contralateral
Definition
two structures that are on opposite sides of the brain
Term
midsagittal plane
Definition
the plane of the section resulting in splitting the brain into equal left and right halves
Term
sagittal plane
Definition
sections parallel to the midsagittal plane
Term
coronal plane
Definition
plane perpendicular to the ground and the sagital plane
Term
central nervous system (CNS)
Definition
consists of the parts of the nervous system that are encased in bone: the brain and the spinal cord
Term
cerebrum
Definition
the largest and most anterior part of the brain
Term
cerebral hemispheres
Definition
separated by the sagittal fissure, right cerebral hemisphere receives sensations from, and controls movements of the left side of the body

left cerebral hemisphere concerned with sensations and movements on the right side of the body
Term
cerebellum
Definition
located behind the cerebrum, smaller but has as many neurons as the cerebrum

movement control center that has extensive connections with the cerebrum and the spinal cord

left side concerned with left side of body, right side with right
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