More examples. 1  They dug deep channels to drain the water from the fields. 2  That's just the sound of the water draining out of the sink. 3  You don't need to drain the rice, you see.  This entire region is drained by the Danube 1  delta. If there isn't a hole in the bottom of the plant pot, the water can't drain  out.
spinal cord neuron. A typical neuron has all the parts that any cell would have, and a few specialized structures that set it apart. The main portion of the cell is called the soma or cell body. It contains the nucleus, which in turn contains the genetic material in the form of chromosomes. Neurons have a large number of extensions called dendrites.
The soma is the central part of the neuron, and the nucleus is found within the soma. Dendrites form extensions from the neuron, and axons are the extensions from the soma. Axons are fine structures, and they vary in number from hundreds to thousands.