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Vesicle (biology), a relatively small and enclosed compartment within a cell

Vesicular texture, a small enclosed cavity found in some volcanic rock, such as basalt

Vesicle (adhesive tape), a blister of glue on adhesive tape that is burst when pressure is applied

Vesicle (lipidomics), a unilamellar phospholipid liposome studied by biophysical chemists for understanding biomembranes and developing new vehicles for drug delivery