a special type of neural circuit that begins with a sensory neuron at a receptor, and ends with a motor neuron at an effector without going through the brain
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What are Arachnoid granulates and what do the do?
They are like tiny sewers at the top of the head where CSF drains into the superior sagittal sinus where it mixes with blood
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Where does decussation primarily occur?
Medulla oblongata
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What is L and what does it do?
Primary motor area: controls basic skeletal movements
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What is a Sulcus?
a groove or furrow, especially on the surface of the brain
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What are considered vital functions?
Those functions of the body, necessary for life on a minute to minute basis (respirations, beating heart)
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What is H and what does it do?
Broca;s area: initiates muscle movement for speech
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What is grey matter?
A collection of neuron cell bodies and associated neuroglia
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What does the premotor area do? what does the primary motor cortex do?
premotor area works out sequences of signals needed for learned complex motion, primary Motor cortex controls basic skeletal muscle movements
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What is E and what does it do?
Wernickโs area: deals with the comprehension of speech, understanding language
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What are A and what are B?
A - Gyri(a ridge on the surface of the brain), B - sulci ( a groove in the cerebral cortex)
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What is the anatomical crossing over of neurons from left to right side of the CNS?