pumice. n. 1. (Geological Science) Also called: pumice stone a light porous acid volcanic rock having the composition of rhyolite, used for scouring and, in powdered form, as an abrasive and for polishing. vb. 2. (Tools) (tr) to rub or polish with pumice.[C15 pomys, from Old French pomis, from Latin pÅ«mex ].umÂ·ice. n. A light, porous, glassy lava, used in solid form as an abrasive and in powdered form as a polish and an abrasive. tr.v. pumÂ·iced, pumÂ·icÂ·ing, pumÂ·icÂ·es. To clean, polish, or smooth with pumice.
Summary: 1.A neuron is an individual cell, whereas, a group of neurons form a nerve. 2.There are two types of neurons ââ sensory and motor neurons; while there are three types of nerves ââ afferent, efferent and mixed nerves.
View All. A neuron is a nerve cell that is the basic building block of the nervous system. Neurons are similar to other cells in the human body in a number of ways, but there is one key difference between neurons and other cells. Neurons are specialized to transmit information throughout the body. These highly specialized nerve cells are responsible for communicating information in both chemical and electrical forms.