Category: M

A filter made from biologically inert cellulose esters, polyethylene, or other porous materials.  

A nerve fiber whose axon (dendrite) is wrapped in a myelin sheath.  

Any of the axons of motor neurons that innervate skeletal muscles.  

Any of the numerous afferent fibers to the cerebellar cortex. The fibers give off many collaterals, each ending in a tuft of branches.  

A synthetic fiber made from chemicals (e.g., rayon or polyester).  

A dead fetus that has become dried and shriveled after resorption has failed to occur.  

A long discrete brainstem and spinal cord axon tract running ventrally close to the midline. It carries a variety of axons coordinating body movements.  

Rapid failure of physical and mental functions ending in death.  

A substance present in certain strains of mammary cancer- prone mice that is transferred to offspring through milk from the mammary glands. It can induce the development of mammary cancer in suckling mice exposed to the factor.  

A complex cellular protein that stimulates cell division in eukaryotic cells. Part of MPF is the protein cyclin, which accumulates during interphase and triggers mitosis or meiosis.