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.
1 Each neuron has a soma, or cell body, which is the central area of the neuron. It contains the nucleus and other structures common to all cells in the body, such as mitochondria.  The highly branched fibers that reach out from the neuron are called dendritic trees. Each branch is called a dendrite.