residual body

residual body
residual body n
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

* * *

1. a secondary lysosome that has completed its digestive processes but retains indigestible or very slowly digestible material. 2. residuum (def. 2).

Medical dictionary. 2011.

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