Crosswords Solver

Answer: ultrastructure
Answer	Crossword Clue
ultrastructure	biological structure and esp fine structure, as of a cell, not visible through an ordinary microscope
ultrastructure	A fine structure, esp. within a cell, that can be seen only with the high magnification obtainable with an electron microscope

Crossword

a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.

Answer: ultrastructure