Dictionary Meaning and Definition on 'Excreta'
n : waste matter (as urine or sweat but especially feces)
discharged from the body [syn: body waste, excretion,
excrement, excretory product]
- Excreta \Ex*cre"ta\, n. pl. [L.]
Matters to be excreted.
Wikipedia Meaning and Definition on 'Excreta'
Excretion is the process by which waste products of metabolism and other non-useful materials are eliminated from an organism. It is an essential process in all forms of life. It contrasts secretion, where the substance may have specific tasks after leaving the cell.
In single-celled organisms, waste products are discharged directly through the surface of the cell. Multicellular organisms utilize more complex excretory methods. Higher plants eliminate gases through the stomata, or pores, on the surface of leaves. Animals have special excretory organs.
In plants, breakdown of substances is much slower than in animals. Hence accumulation of waste is much slower and there are no special organs of excretion. Green plants in darkness or plants that do not contain chlorophyll produce carbon dioxide and water as respiratory waste products. Carbon dioxide released during respiration gets utilized during photosynthesis. Oxygen itself can be thought of as a waste product generated during photosynthesis, and exits through stomata, root cell walls, and other routes. Plants can get rid of excess water by transpiration and guttation. Waste products may be stored in leaves that fall off. Other waste materials that are exuded by some plants — resins, saps, latexes, etc. are forced from the interior of the plant by hydrostatic pressures inside the plant and by absorptive forces of plant cells. These processes do not need added energy, they act passively.[See more about Excreta at Dictionary 3.0 Encyclopedia]
Words and phrases related to 'Excreta'
Excreta Sample Sentences in News
- Antibiotic-resistance genes found in 14th century excreta
London, Feb 28 (IANS) From 14th century toilets discovered beneath a square in the city of Namur in Belgium, scientists have found viruses containing genes for antibiotic resistance in a fossilised fecal sample - long before antibiotics were used in medicine. The viruses in the fecal sample are phages which are viruses that infect bacteria rather than infecting an Read more on this news related to 'Excreta'
- Car that runs on processed sewage!
Car maker Hyundai USA has announced a new vehicle this spring that is fueled by processed sewage! Out for lease, the new Tucson Fuel Cell crossover vehicle runs on hydrogen gas derived from excreta. For this innovative move, Hyundai looked at scientists working at University of California Irvine. The researchers from the National Fuel Cell Research Centre at Unive Read more on this news related to 'Excreta'