Small intestinal bacterial overgrowth (SIBO) refers to a condition in which abnormally large numbers of bacteria are present in the small intestine, while the types of bacteria found in the small intestine are more like the bacteria found in the colon.
motor neuron. noun, Cell Biology, Physiology. 1. a nerve cell that conducts impulses to a muscle, gland, or other effector. Also, motoneuron. motor neuron n. A neuron that conveys impulses from the central nervous system to a muscle, gland, or other effector tissue. Discover our greatest slideshows.
Science Videos. Science Main Index. Motor nerves or motor neurons are a type of cell located in the central nervous system (CNS) that have axons extending outside the CNS to directly or indirectly control muscle contraction. Read on to learn more about motor neurons, and the role they play in your body.