A contractile vacuole (CV) is a sub-cellular structure (organelle) involved in osmoregulation. It is found predominantly in protists and in unicellular...
10 KB (1,304 words) - 12:50, 2 July 2024
its structure varies according to the requirements of the cell. Contractile vacuoles ("stars") were first observed by Spallanzani (1776) in protozoa,...
17 KB (2,037 words) - 18:03, 10 June 2024
help of a membrane-bound organelle called the contractile vacuole. Amoeba proteus has one contractile vacuole which slowly fills with water from the cytoplasm...
15 KB (1,662 words) - 21:46, 27 March 2024
tissue Contractile ring in cytokinesis Contractile vacuole Muscle contraction Myocardial contractility See contractile cell for an overview of cell types...
411 bytes (77 words) - 14:07, 9 September 2020
Without a contractile vacuole, the cell would fill with excess water and, eventually, burst. Marine amoebae do not usually possess a contractile vacuole because...
41 KB (3,651 words) - 00:56, 18 August 2024
contents into the contractile vacuole, thereby increasing the vacuole's osmolarity. This then causes water from the cytoplasm to enter the vacuole, until the...
2 KB (271 words) - 06:34, 12 April 2020
2013.11.028. PMC 3956598. PMID 24361104. Taylor CV (1923). "The contractile vacuole in Euplotes: An example of the sol-gel reversibility of cytoplasm"...
16 KB (1,887 words) - 19:33, 9 June 2024
contain two different types of vacuoles. Contractile vacuoles help to maintain osmoregulation, and phagocytic vacuoles allow select protists to ingest...
32 KB (3,716 words) - 16:28, 15 December 2023
carried in the cytoplasm of the cell. Osmoregulation is carried out by contractile vacuoles, which actively expel water from the cell to compensate for fluid...
29 KB (3,057 words) - 00:05, 20 August 2024
deposited under the cell membrane during the encystment process. Contractile vacuoles are common in these organisms, which are presumed to use them to...
17 KB (1,856 words) - 14:54, 11 April 2024
Producciones Cinevisión, formerly CV-TV, a Colombian programadora Contractile vacuole, an organelle found in some cells Coronavirus, a type of virus, notably:...
3 KB (466 words) - 23:10, 9 June 2024
theorem prover Current–voltage characteristic Conserved vector current Contractile vacuole complex Canning Vale College, in Perth, Western Australia Central...
3 KB (295 words) - 14:05, 10 April 2024
Vesicle (biology and chemistry) (section Vacuoles)
and nutrient storage. Contractile vacuoles are found in certain protists, especially those in Phylum Ciliophora. These vacuoles take water from the cytoplasm...
36 KB (3,649 words) - 05:36, 29 June 2024
solutions are deployed in all animals even the protozoa where the contractile vacuole provides a similar function. Biofilms are often complex communities...
24 KB (3,094 words) - 19:13, 13 August 2024
their contractile vacuole to regulate the quantity of water within the cell. Protist cells avoid lysing in hypotonic solution by utilizing a vacuole which...
30 KB (3,578 words) - 07:09, 14 August 2024
serve as organs of locomotion and food capture). P. caudatum has two contractile vacuoles, which serve to excrete excess water taken up from the outside, regulating...
6 KB (657 words) - 15:06, 7 July 2024
can be prevented by several different mechanisms, including the contractile vacuole that exists in some paramecia, which rapidly pump water out of the...
9 KB (983 words) - 07:16, 13 August 2024
preventing cytolysis from occurring. For example, the paramecium uses a contractile vacuole, which rapidly pumps out excessive water to prevent the build-up...
4 KB (254 words) - 16:35, 28 May 2024
before rapidly moving to the middle. The contractile vacuole begins splitting to form the daughter contractile vacuole. The macronucleus begins to elongate...
27 KB (3,217 words) - 07:14, 19 May 2024
protection. P. bursaria is 80-150 μm long, with a wide oral groove, two contractile vacuoles, and a single micronucleus as well as a single macronucleus. P. bursaria...
4 KB (325 words) - 07:56, 14 June 2024
two-layered undulating membrane, on the right front edge, and also contractile vacuole with cytopyge terminal. It is either brown or rose-coloured. Blepharisma...
3 KB (342 words) - 20:56, 13 April 2024
Muscle cell (category Contractile cells)
genes is shown through the localization of the striated much to the contractile vacuole in sponges, while the non-muscle much was more diffusely expressed...
37 KB (4,500 words) - 22:16, 12 July 2024
compared to more typical gill-based ionoregulation. Amoeba makes use of contractile vacuoles to collect excretory wastes, such as ammonia, from the intracellular...
14 KB (1,832 words) - 11:19, 6 May 2024
appear keystone- or pear-shaped. Each cell has two flagella with two contractile vacuoles at its base, an eyespot, and a large cup-shaped chloroplast with...
4 KB (356 words) - 15:21, 17 July 2024
flagellum shows a typical 9+2 arrangement of the component fibrils. Contractile vacuoles are near the bases of flagella. Prominent cup or bowl-shaped chloroplast...
10 KB (1,060 words) - 12:03, 20 July 2024
main exception being that Dunaliella lack both a cell wall and a contractile vacuole. Dunaliella has two flagella of equal length and has a single cup-like...
12 KB (1,413 words) - 07:00, 13 May 2024
Shimmen, Teruo; Sonobe, Seiji (2004). "Functional Characterization of Contractile Vacuole Isolated from Amoeba proteus". Cell Structure and Function. 29 (4):...
7 KB (696 words) - 13:43, 15 April 2024
towards light sources for photosynthesis. The cell also possesses a contractile vacuole responsible for osmoregulation, helping maintain proper water balance...
10 KB (1,006 words) - 23:13, 20 May 2024
protists without cell walls are able to regulate their osmosis through contractile vacuoles, specialized organelles that periodically excrete fluid high in potassium...
94 KB (9,770 words) - 04:46, 23 August 2024
Single amoeboid cell of Dictyostelium, showing the contractile vacuole...
14 KB (1,339 words) - 09:23, 9 February 2024