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Insulates the axon of neurons. |
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Myelinates axons in the brain and spinal column |
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Myelinates axons in the peripheral nervous system |
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Glial cell that makes up the blood brain barrier. Also provides structural support and enhances brain activity. Uses most nutrients. |
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Originates in blood via immune system. Provides growth factors and gets rid of matter and debris. |
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Support cells for neurons. form early in life and are constantly replacing themselves. |
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Ependymal cells, Astroglia, Microglia, Oliogodendroglia, and Schwann |
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What are the 5 major classes of glial cells |
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Glial cell that makes cerebral spinal fluid. |
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An interneuron with a hard to see axon, located in the thalamus |
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Have extensive dendrites, synapse to one muscle. Large cell bodies with long axons. |
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What is the language of neurons? |
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A pyramedial cell with dense dendrites. Brings information from the cerebellum to the rest of the brain and spinal cord. |
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A long axon and pyramid shaped cell body with 2 sets of dendrites. Carries information from the cortex to the rest of the brain and spinal cord. |
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Sensory (info into brain), interneurons (process within brain), motor neurons (out of brain to muscles) |
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Name the 3 types of neurons |
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What sensory neuron brings information into the spinal cord from the body. |
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Purkinji, pyramedial, stellate |
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Name the 3 types of inter neurons. |
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Discovered the first neurotransmitters ACh acetylcholine.....slows the heart |
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Functional units - enable us to receive information process it and act. |
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Helps neurons. Multiple functions; provides structural support, neutrients and protection for neurons. |
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nervous system is made up of discrete cells. Neuron hypothesis. |
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Said that the nervous system is composed of a network of interconnected fibers "nerve net". |
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Cell membranes are lined with these molecules. |
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Contained within Chromosomes are thousands of.... |
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Takes place in the nucleus. |
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Takes place in the endoplasmic reticulum |
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Located on the walls of the rough ER, act as catalysts in the building of proteins. |
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Shapes proteins, wraps packages labels and ships proteins to the right places. |
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The field of study directed toward understanding how genes produce proteins. |
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Humans have how many chromosomes |
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Males are more susceptible to deformity due to the y chromosome being...... |
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The sequence that is most common in a population is called the... |
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the full set of all the genes that an organism possesses. |
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the appearance of an organism that results from the interaction of genes with one another and with the environment. |
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All the allele's trait are expressed in full |
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Allele is expressed only partially (black + white = gray) |
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When both allele's own traits are expressed completely. |
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Causes Tay-Sachs disease, Huntington's chorea |
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Down's syndrome is caused by a.......... |
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