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spleens

  • plural
    of spleen.
    spleen
    noun
    a highly vascular, glandular, ductless organ, situated in humans at the cardiac end of the stomach, serving chiefly in the formation of mature lymphocytes, in the destruction of worn-out red blood cells, and as a reservoir for blood.

Example Sentences

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They were looking at “scurfy” mice; males are unexpectedly born with flaky skin and enlarged spleens and only live for a few weeks, because their organs are attacked by their own immune cells.

From The Wall Street Journal ● Oct. 6, 2025

The examination revealed the elephants had enlarged livers and spleens, as well as internal bleeding in multiple organs—signs of septicemia.

From National Geographic ● Dec. 5, 2023

The study documents germinal center–like structures in the spleens of rainbow trout, the first time anyone has detected them in bony fish.

From Science Magazine ● Oct. 31, 2023

People without spleens are more susceptible to severe bacterial infections.

From Los Angeles Times ● Dec. 21, 2022

They appeared to have died of heat stress, brought on, he suspected, by the problems with the heating system in the building—but their spleens were weirdly enlarged.

From "The Hot Zone" by Richard Preston