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.
What is the difference between Neurons and Neuroglia? â¢ Neurons are the structural and functional units of the nervous system whereas neuroglia are the supporting cells. â¢ Neurons pass nerve pulses in the form of both electrical and chemical but neuroglia do not pass these pulses.