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the outer region of the kidney, grainy in appearance, in which the Bowman's capsules of the nephrons are found.
a tough substance made from a modified polysaccharide that contains nitrogen. It is the main...
the site where a nerve impulse is transmitted from one neuron to the next. There is no physical...
a serious and potentially fatal medical state caused by an allergic reaction, in which sufferers...
thin layer of living tissue between the xylem and the phloem, which is able to divide to make...