ultrastructure
noun
ul·tra·struc·ture
ˈəl-trə-ˌstrək-chər 
: biological structure and especially fine structure (as of a cell) not visible through an ordinary microscope
ultrastructurally
adverb
Word History
First Known Use
1939, in the meaning defined above
Dictionary Entries Near ultrastructure
Cite this Entry
“Ultrastructure.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/ultrastructure. Accessed 22 Sep. 2023.
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Medical Definition
ultrastructure
noun
ul·tra·struc·ture
ˈəl-trə-ˌstrək-chər
: biological structure and especially fine structure (as of a cell) not visible through a light microscope
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