The Neuron
The Spinal Cord
Action Potentials
Brain Anatomy
Special Senses
100
The process that receives information from other neurons
What is a dendrite?
100
The number of spinal nerves that exit the spinal cord
What is 31?
100
the resting membrane potential of a neuron
What is -70mV?
100
the area of the brain responsible for higher executive functions
What are the frontal lobes ?
100
photoreceptors of the eyes
What are rods and cones?
200
The type of neuron that has two processes coming off of the cell body
What is a bipolar neuron?
200
The space between the dura mater and arachnoid mater
What is the subdural space ?
200
when the membrane potential has become more positive
What is depolarization?
200
the primary brain vesicle that the midbrain arises from
What is mesencephalon?
200
the tough, white, fibrous part of the eye that gives the eye its shape and protects its inner parts
What is sclera?
300
The parts of a neuronal cell body that synthesize proteins
What are Nissl Bodies ?
300
An area of skin innervated by one single spinal nerve
What is a dermatome?
300
the membrane potential that is needed to open Na+ channels to allow Na+ to rush into the cell
What is -55mV?
300
the area that consists of the medulla, pons, and midbrain and is responsible for vital functions
What is brainstem?
300
nearsightedness
What is myopia?
400
The unmyelinated parts of an axon
What are Nodes of Ranvier?
400
A group of segmental nerves joined together to form large braided ropes
What are plexuses ?
400
a chemical synapse from axon to dendrite
What is axodendritic?
400
a nucleus in the midbrain that releases dopamine and is often damaged in Parkinson's patients
What is substantia nigra ?
400
the stapes, the incus, and the malleus
What are the 3 auditory ossicles (bones)?
500
The glial cell responsible for producing the myelin sheath in the CNS
What is an oligodendrocyte?
500
Sensory receptor & neuron, integration center in spinal cord, motor neuron & effector
What is pathway of a reflex arc?
500
the two possible effects of neurotransmitter release on the post-synaptic cell
What are EPSP or IPSP ?
500
a neuronal network of the brainstem that functions to maintain consciousness, wakefulness
What is reticular activating system (RAS)?
500
Medulla, pons, midbrain, thalamus, primary auditory cortex of temporal lobe.
What is the auditory pathway?
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