food vacuole


Also found in: Dictionary, Encyclopedia, Wikipedia.
Related to food vacuole: gallbladder, contractile vacuole, pseudopod

food vacuole

n.
A vacuole in which phagocytized food is digested.

food vacuole

a fluid-filled space in the cytoplasm of a cell. It is formed by the plasma membrane of the cells invaginating to form a flask-like depression around a food particle and then the neck of the flask closing off, so sealing the food within the cell - a process known as PHAGOCYTOSIS.
References in periodicals archive ?
This proenzyme is finally transported to the food vacuole via endoplasmic reticulum/golgi system.
Inside a Tetrahymena, Salmonella is apparently able to cluster, unharmed, within the food vacuole. After exposing Salmonella cells to a Tetrahymena for several hours, Brandl found that some vacuoles held as many as 50 Salmonella cells.
Protozoans engulf their prey and incorporate it into a food vacuole within the cell where it is subjected to harsh chemical treatment involving digestive enzymes and acidic conditions.
malariae have a low rate of metabolism and hence reduced size and acidity of the food vacuoles which is dependent on their metabolic rates.
Wood particles take about 24 hours to pass through lower termite gut (Breznak, 1982), most of that time being digested in food vacuoles of hindgut flagellate protozoa.
Second, India ink, the typical food source in this lab exercise, causes differences in both number and size of food vacuoles, which can confound results.
Organelles such as the oral groove, which is the groove leading to the mouth; the cilia, tiny hair-like projections that paramecia use to facilitate movement; and food vacuoles, membrane-bound cavities that store and digest food, can all be observed.
(2) Bacteria are killed and broken down in the food vacuoles, supplying protists with energy and nutrients.

Full browser ?