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Exam Review: CH 12-17

Across
The sense of smell.
Sensory neurons that conduct messages to the CNS.
The 12 pairs of ___________ nerves originate on the inferior surface of the brain.
The 3 consecutive tissue layers that separate and protect the soft tissue of the brain and spinal cord.
_____ channels are always open.
The type of receptor that binds NE.
Prefix meaning "around."
The wall of the eye is formed by 3 principal layers called ___________.
The neurotransmitter released by all pre-ganglionic neurons.
__________cells, also known as neurolemmocytes, wrap around and insulate axons within the PNS to form the myelin sheath.
Diffusion of this ion is the most important factor in establishingthe specific value of the resting membrane potential. (Hint: K+)
The glossy white insulating covering around axons of some neurons.
Autonomic ______ is the background rate of activity of the ANS.
The awareness and monitoring of head position.
The breakdown of fats and other lipids by hydrolysis to release fatty acids.
Prefix meaning "upon."
The act or sensation of TASTING.
Down
Most synapses in the nervous system are _______________ rather than electrical.
The "soft mother" covering the brain and spinal cord.
The mixed cranial nerve (X) that "wanders" throughout the neck, thorax and abdomen.
Prefix meaning "within."
The "catcher's mitts" of the neuron cell body.
The spinal cord has 2 widened areas of increased neural input and output called ______________ .
Type of receptor named after a mushroom toxin.
Cells that line the ventricles of the brain.
The target of a reflex arc, which physically brings about the response.
Star-shaped neuroglia cells in the CNS.
The layer of connective tissue that wraps fascicles
___________-gated channels open in response to elctric charge across the membrane.
The _________ tube is a hollow structure from which the brain and spinal cord develop.
CSF is made in the ___________ plexus of the brain ventricles.
Theshold can be reached through two types of ______________; spatial or temporal.
Sudden, immediate, involuntary response to a stimulus.