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What is the primary motor area in the brain?
What is the primary sensory area in the brain?
Parietal lobe (posterior to frontal lobe)
What makes "grey matter" of the brain grey?
Unmylenated nerve cell bodies are grey
What is the relay station for motor impulses?
Can inhibit motor function by secreting dopamine
Anything with "thalamus" in the name is part of the...
What receives sensory impulses and channels them to appropriate regions of the cortex for interpretation?
The medulla oblongata (part of the brain stem) contains what three centers?
: controls heart rate
: alters blood pressure by controlling dilation and constriction of blood vessels
: regulates rate, rhythm and depth of breathing
Each spinal nerve is formed by the mergins of what two roots?
: sensory (pain in the butt)
: motor (engine is in the front)
The posterior branch (dorsal ramus) innervates what?
Muscles and skin of the back
The anterior branch (ventral ramus) innervates what?
Muscles and skin of the anterior and lateral aspect of the trunk
Upper and lower limbs
Do the rami of the thoracic spinal nerves form plexuses?
They travel between ribs (intercostal spaces) where they are called intercostal nerves.
Clinical Anatomy 1, Lesson Plans 5 & 6