- the structures of a cell that are revealed by electron microscopy.
Origin of ultrastructure
Also called fine structure.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- the minute structure of a tissue or cell, as revealed by microscopy, esp electron microscopy
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012