mesosome
[ mez-uh-sohm, mes-, mee-zuh-, -suh- ]
noun
the anterior portion of the abdomen in arachnids.
a whorled structure extending inward from the cell membrane in Gram-positive bacteria and containing enzymes for cellular respiration.
Origin of mesosome
1Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
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