microaneurysm
noun
mi·cro·an·eu·rysm
variants
also microaneurism
: a saccular enlargement of the venous end of a retinal capillary associated especially with diabetic retinopathy
Cite this Entry
“Microaneurysm.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/microaneurysm. Accessed 4 Nov. 2025.
Copy CitationLove words? Need even more definitions?
Merriam-Webster unabridged
Share