Nematode - Wikipedia
Nematode worms (C. elegans), part of an ongoing research project conducted on the 2003 Space Shuttle Columbia mission STS-107, survived the re-entry breakup. It is believed to be the first known life form to survive a virtually unprotected atmospheric descent to Earth's surface.
Nematode | Definition, Description, Diseases, & Facts | Britannica
2024年11月11日 · Nematode parasites of animals occur in almost all organs of the body, but the most common sites are in the alimentary, circulatory, and respiratory systems. Some of these worms are known by such common names as hookworm, lungworm, pinworm, threadworm, whipworm, and eelworm.
What Are Nematodes? These Tiny Worms Can Help or Hurt Your …
2018年7月1日 · While most of the thousands of nematode species on Earth are not harmful, some cause diseases in humans and other animals or attack and feed on living plants. Luckily, there are ways to deter...
What are Nematodes? - Department of Nematology
Although estimated numbers of species are in the millions, only a few thousand have been named; almost any shovel full of soil, freshwater or marine sediment is likely to have thousands of worms including new species. Why are nematodes important? Most nematodes feed on bacteria, fungi, or other microscopic creatures.
Nematodes: Classification, Structure, and Characteristics
Nematodes are a diverse group of worms that make up the phylum Nematoda. Otherwise known as roundworms, nematodes live as either free-living organisms in terrestrial and aquatic organisms or as parasites in plants and animals.
What is a Nematode? - University of Nebraska–Lincoln
Nematodes are the most numerous multicellular animals on earth. A handful of soil will contain thousands of the microscopic worms, many of them parasites of insects, plants or animals.
Introduction to the Nematoda - University of California Museum …
Current studies indicate that nematodes are actually related to the arthropods and priapulids in a newly recognized group, the Ecdysozoa. Roundworms : The image at left shows a living microscopic roundworm as viewed with an Environmental SEM. The …
Introduction to Nematodes - UC Davis
Nematodes are invertebrate roundworms that inhabit marine, freshwater, and terrestrial environments. They comprise the phylum Nematoda (or Nemata) which includes parasites of plants and of animals, including humans, as well as species that feed on bacteria, fungi, algae, and on other nematodes.
Nematodes – Morphology, Classification, Examples - Biology …
2024年10月1日 · Nematodes, often referred to as roundworms, exhibit distinct morphological and physiological features that set them apart from other organisms. Their bodies are bilaterally symmetrical and elongated, with a triradiate symmetry present at the anterior end.
Nematode - New World Encyclopedia
The nematodes or roundworms (Phylum Nematoda from Greek νῆμα (nema): "thread" + ode "like") are one of the most common phyla of animals, with over 20,000 different described species. They have bodies that are long and slender and taper at both ends.
- 某些结果已被删除