Science Quiz / Neuroscience: Chapters 1-3

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Can you name the key terms from Chapter 1-3?

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A class of glial cells that protect and increase speed of axonal conduction in the PNS
Study of biological processes by comparing difference species
A fatty insulating substance found around axons
Sensory(afferent) unipolar neurons with their cell bodies grouped together just outside the spinal cord
Cells that are specialized for the reception, conduction, and transmission of electrochemical signals
Those autonomic motor nerves that project fomr the brain and sacral region of the spinal cord
A membrane (spiderweb-like) directly beneath dura mater
Consists of brain and spinal cord
Part of PNS that regulates body's internal environment
Four large internal chambers of the brain
Composed largely of myelinayed axons
Large, multipolar neurons with pyramid-shaped cells bodies
Carry motor signals from the CNS to skeletal muscles
A layer of blood vessel cells that are very tightly packed and selectively permeable
Carry sensory signals from the skin, skeletal muscles, joints, eyes, ears, etc, to CNS
A circuit of midline structures that circle the thalamus; involved in regulating motivated behaviors
Small furrows in a convoluted cortex
The outer meninx, a tough membrane
Innermost meninx, delicate and adheres to surface of CNS
Three protective membranes surrounding the brain
12 pairs of nerves that project from the brain
Networks of paillaries that protrude into the ventriles from the pia mater and produce CSF
Clusters of cell bodies in CNS
Composed largely of cell bodies and unmyelinated interneurons
Ridges between fissures and sulci
Everything but the brain and spinal cord
Under arachnoid membrane, a space that contains many large blood vessels and CSF
The largest, star-shaped glial cells that play a role in allowing the passage of some chemicals from the blood into CNS neurons and in blocking other chemicals, also control establ
Several classes of nonneural cells of the nervous system, support and nourish neurons
Clusters of cell bodies in PNS
Bundles of axons in CNS
Glial cells with extensions that wrap around the azons of some neurons of the CNS
Located just below the anterior thalamus; plays an important role in the regulation of several motivated behaviors and release of hormones from pituitary
A method of measuring brain activity through the scalp
A large, convoluted structure on the brain stem's dorsal surface, important sensorimotor structure
Large furrows in a convoluted cortex
Those autonomic motor nerves that project from the CNS in the lumbar and thoracic regions of the spinal cord
Bundles of axons in PNS
Protects CNS, fills subarachnoid space, central canal of spinal cord, and cerebral ventricles of the brain

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