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 such as …

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” + comb. form repr. …

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.

2 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 water balance. …

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 substances, …

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 compartments are primarily …

A vacuole is a distinct, membrane-enclosed compartment found within the cytoplasm of cells. This organelle is fundamentally an enclosed sac, often formed by the fusion of smaller membrane vesicles.

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.

Sep 21, 2021 · The term vacuole has its origin in the Latin word ‘vacuus’, meaning ’empty’, as it appears void under the microscope. It is a membrane-bound cell organelle that is devoid of cytoplasm and …

Dec 19, 2025 · A vacuole is a membrane-bound organelle composed of fluid fluid-filled space. It is responsible for storing various substances and maintaining cell structure. In plant cells, it helps in …