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Neuroscience
Exam I
16
Medical
Graduate
05/23/2009

Additional Medical Flashcards

 


 

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Term
Brodmann's area 17
Definition
Part of the primary visual cortex, receives projections from LGN of the thalamus.
Term
Brodmann's area 41
Definition
Receives auditory input and projections from the MGN in the thalamus.
Term
Epithalamus
Definition
Contains pineal gland, which (in addition to playing a roll in circadian sleep/wake cycle via melatonin) is involved in preventing precocious puberty.
Term
Subthalamus (ventral thalamus)
Definition
Connects to the basal ganglia, functions to regulate motor activity and higher cognitive functions. Damage may cause HEMIBALLISMUS.
Term
Telencephalon components (4 main ones)
Definition
Cerebral cortex, basal ganglia, hippocampus and amygdala.
Term
Three types of cortex
Definition
Neocortex (6 layer structure), allocortex (3-5 layers), and archicortex (3 layers).
Term
Neostriatum
Definition
Consists of caudate nucleus and putamen (all part of basal ganglia).
Term
Paleostriatum
Definition
AKA Globus pallidus, part of the basal ganglia.
Term
Brodmann's areas 1,2,3
Definition
Primary somatosensory cortex (post-central gyrus)
Term
Brodmann's area 4
Definition
Primary motor cortex (pre-central gyrus)
Term
Brodmann's areas 44,45
Definition
Broca's area, involved with speaking, phonology, grammar.
Term
Brodmann's area 22 (posterior aspect)
Definition
Wernicke's area, near superior temporal gyrus. Involved with speech function.
Term
Homotypic cortex
Definition
6 distinct layers of similar thickness.
Term
Granular cortex
Definition
Heterotypic, sensory cortex with a large layer IV and many stellate cells. Few pyramidal cells in layers III and V.
Term
Agranular cortex
Definition
Heterotypic, motor cortex has large layers III and V, with a thin layer IV.
Term
Subarachnoid space ends at the level of...
Definition
S2-S3
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