Motor neuron disease includes loss of motor neurons in the anterior horns of the spinal cord and motor nuclei of the lower brain stem.
Atom, molecule, cell, tissue, organ, and organ system
<span>The term used when a mother makes the decision to terminate a pregnancy is abortion. This term means that the pregnancy will come to an end via removing the embryo or fetus prior to any time that it is capable of surviving on its own outside of the uterus.</span>