Vacuole - Wikipedia
Strands of cytoplasm often run through the vacuole. A vacuole is surrounded by a membrane called the tonoplast (word origin: Gk tón (os) + -o-, meaning “stretching”, “tension”, “tone” + …
Vacuole | Definition, Structure, Function, & Facts | Britannica
Vacuole, in biology, a space within a cell that is empty of cytoplasm, lined with a membrane, and filled with fluid. Especially in protozoa, vacuoles are cytoplasmic organs, performing functions …
Vacuole in Cells - Structure, Types, Functions
Oct 7, 2025 · Learn what a vacuole is, its structure, types, and functions in plant, animal, fungal, and protist cells, plus its evolution and disorders.
What Is a Vacuole? Definition, Function, and Structure
Aug 19, 2025 · Vacuoles are membrane-bound organelles found within the cells of various organisms, including plants, fungi, and some animals and protists. These cellular …
Vacuole - National Human Genome Research Institute
4 days ago · A vacuole is a membrane-bound cell organelle. In animal cells, vacuoles are generally small and help sequester waste products. In plant cells, vacuoles help maintain …
An Introduction to Vacuole Organelles - ThoughtCo
May 12, 2025 · A vacuole is a cell organelle found in a number of different cell types. Vacuoles are fluid-filled, enclosed structures that are separated from the cytoplasm by a single membrane.
What Is a Vacuole? Understanding the 4 Main Functions
Summary: Vacuole Definition A vacuole is an organelle that is found in many types of cells, including animal, plant, fungi, bacteria, and protist cells. The main vacuole function is to store …