residual body
noun
1
: a cytoplasmic vacuole containing the leftover products of digestion after fusion with the contents of a lysosome
2
: any of the small cytoplasmic masses that are shed from the developing sperms in spermiogenesis and that lack a nucleus but contain lipids, ribosomes, mitochondria, and cytoplasmic membranes
Cite this Entry
“Residual body.” Merriam-Webster.com Medical Dictionary, Merriam-Webster, https://www.merriam-webster.com/medical/residual%20body. Accessed 3 Nov. 2025.
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