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gaps (about 1 micrometre long) that occur between the myelin sheaths generated by consecutive Schwann cells. Because the axon membrane is uninsulated at the nodes of Ranvier, it is capable of generating electrical activity here.
the flooding of land, such as the flooding that happens when dams are constructed.
a group of parasitic protozoa. There are several species of plasmodium that cause malaria in...
identical strands of a chromosome produced by the doubling of genetic material during cell...
animal wastes (particularly urine) that contain materials high in nitrogen.