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Match the following structures, labelled a. through c., to their descriptions. (Options may be used more than once or not at all.)
-inner portion of spinal cord
Q160: The extracellular matrix and the local cells
Q199: tough, inelastic, outer meningeal layer
Q223: The dendrites of a presynaptic neuron directly
Q290: A stimulus that is too weak to
Q324: smallest element visible with a conventional electron
Q328: Neurotransmitters are small, _acting molecules.
Q344: When a neuron starts to depolarize, _
Q360: A. concentration gradient for K<sup>+</sup> at the
Q419: provides information about the position of the
Q455: Proteins synthesized by the endoplasmic reticulum become