JMW Nervous System Test
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| A. a convex fold or elevation in the surface of the brain B. (anatomy) any of the narrow grooves in an organ or tissue especially those that mark the convolutions on the surface of the brain C. medullary sheath: a layer of myelin encasing (and insulating) the axons of medullated nerve fibers D. the outermost (and toughest) of the 3 meninges E. the junction between two neurons (axon-to-dendrite) or between a neuron and a muscle; "nerve impulses cross a synapse through the action of neurotransmitters" F. cerebral cortex: the layer of unmyelinated neurons (the grey matter) forming the cortex of the cerebrum G. that part of the cerebral cortex in either hemisphere of the brain lying directly behind the foreheadH. A central nervous system neuron that has many processes but no apparent axon. I. a neurotransmitter involved in e.g. sleep and depression and memory J. a mechanism that creates a barrier between brain tissues and circulating blood; serves to protect the central nervous system; "the brain was protected from the large molecules of the virus by the blood-brain barrier" K. that part of the cerebral cortex in either hemisphere of the brain lying in the back of the head L. short fiber that conducts toward the cell body of the neuron M. A bipolar cell is a type of neuron which has two extensions. Bipolar cells are specialized sensory neurons for the transmission of special senses. As such, they are part of the sensory pathways for smell, sight, taste, hearing and vestibular functions. N. large egg-shaped structures of grey matter that form the dorsal subdivision of the diencephalon O. A unipolar neuron is a type of neuron in which only one protoplasmic process (neurite) extends from the cell body. Most neurons are multipolar, generating several dendrites and an axon.P. the part of the brain continuous with the spinal cord and comprising the medulla oblongata and pons and midbrain and parts of the hypothalamus Q. Reflesxes within the internal organs R. that part of the cerebral cortex in either hemisphere of the brain lying below the crown of the head S. a major division of the vertebrate brain; situated above the medulla oblongata and beneath the cerebrum in humans T. The entire body of an organism, exclusive of the germ cells. |
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