A microscopic vesicle or small membrane-bound particle found in the cytoplasm, particularly one derived from the endoplasmic reticulum.
From Greek 'cyto-' (cell) + 'micro-' (small) + 'soma' (body). This term became standard when electron microscopy revealed these tiny structures in the 1950s.
Cytomicrosomes are cellular cargo containers—they bud off from larger structures and float through the cytoplasm delivering proteins exactly where they're needed, like tiny cellular delivery trucks.
Complete word intelligence in one call. Free tier — 50 lookups/day.