| 释义 |
freeze-etching
freeze-etch·ing (frēz′ĕch′ĭng)n. A method of specimen preparation for electron microscopy in which a replica is made from a sample that has been rapidly frozen and then fractured along natural planes of weakness to reveal its internal structure.
freeze′-etch′ v.freeze-etching
freeze-etching [frēz´-ech″ing] a method used to study unfixed cells by electron microscopy, in which the object to be studied is placed in 20 per cent glycerol, frozen at −100°C, and then mounted on a chilled holder.freeze-etching (frēz′ĕch′ĭng)n. A method of specimen preparation for electron microscopy in which a replica is made from a sample that has been rapidly frozen and then fractured along natural planes of weakness to reveal its internal structure.
freeze′-etch′ v.freeze-etching the process by which a piece of tissue is frozen and then sectioned for examination under the ELECTRON MICROSCOPE. |