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.
About Neurons. The basic working unit of the nervous system is a cell called a neuron. The human brain contains about 100 billion neurons. A neuron consists of a cell body containing the nucleus, and special extensions called axons (pronounced AK-sonz) and dendrites (pronounced DEN-drahytz).Neurons communicate with each other using axons and dendrites.ensory Neurons. Sensory neurons carry information from the sense organs (such as the eyes and ears) to the brain. Synapses. The space between the end of a nerve cell and another cell.