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10 Cards in this Set
- Front
- Back
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Who introduced the idea that neurons were "polar" or that they had receiving and sending ends?
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Santiago Ramon y Cajal
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The Cell Theory (Neuron Doctrine) states 3 predominant points. What are they?
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1. Cells are the fundamental unit of life.
2. All organisms are made of cells. 3. All cells derive from preexisting cells. |
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What is another name for the Electrical Synapse?
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Gap Junction
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Soma is to Cell Body as
Nerve Fiber is to _____. |
Axon (They are different names from each other.)
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What structures are the receivers of a neuron?
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cell body, nucleus and dendrites
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What are interneurons?
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they act as relays between the Sensory and Motor cells
(Sensory cells > Interneurons > Motor cells) |
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To every neuron, how many glial cells are there?
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9-10 glial cells
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What is the Black Reaction and who was it developed by?
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In 1873, Camillo Golgi developed this staining technique, which allows us to mysteriously observe a clear and limited number of neurons (1%) within a nervous tissue sample. Today, we still aren't sure why only a portion becomes impregnated.
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What does the Reticular Theory propose and which scientist supported it?
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Every cell is connected so that cells are actually a mass network which act as one unit; Camillo Golgi.
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The Electrical Synapse has no chemical transition or fusion as it does in a Chemical Synapse. What is the pathway in which connected cells use to transport ions made of?
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Protein (If you refer back to the Glia powerpoint on slide 15, it is shown in pink.)
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