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https://en.wikipedia.org/wiki/Planarian
A planarian is one of many flatworms of the class Turbellaria. Planaria are common to many parts of the world, living in both saltwater and freshwater ponds and rivers. Some species are terrestrial and are found under logs, in or on the soil, and on plants in humid areas.
https://quizlet.com/11615807/bio-lab-practical-exam-flash-cards/
Planarian support system. hydrostatic skeleton. Planarian Segmentation. No segmentation. Planarian Appendages. No appendages. Planarian Nervous system. brain w/ 2 ventral nerve cords, ladderlike nervous system. Earthworm symmetry. bilateral. Earthworm tissue organization. 3 …
https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3552358/
Nov 09, 2012 · Planarians are members of the Platyhelminthes (flatworms). These animals have evolved a remarkable stem cell system. A single pluripotent adult stem cell type (“neoblast”) gives rise to the entire range of cell types and organs in the planarian body plan, including a brain, digestive-, excretory-, sensory- and reproductive systems.Cited by: 196
https://skeletalphylum.weebly.com/platyhelminthes.html
Platyhelminthes, or Flatworms, are the simplest kind of worms. There are about 20,000 species in this group. They are found in many places and can be free living or parasitic. A parasite lives off of another living thing called a host and can be harmful. One of the most known flatworms is the tapeworm.
https://www.sciencedirect.com/topics/biochemistry-genetics-and-molecular-biology/planarian
The abundance of cilia on the planarian body, their unique accessibility, and high degree of conservation make this organism an attractive experimental model system for cilia biology. Moreover, planarians are genetically amenable and defects that compromise the function and structure of the cilia are not detrimental for their overall health ...
https://www.britannica.com/animal/Planaria
Other articles where Planaria is discussed: nervous system: Simple bilateral systems: …a free-living flatworm such as Planaria consists of a brain, longitudinal nerve cords, and peripheral nerve plexuses (interlacing networks of peripheral nerves; from Latin plectere, “to braid”). The brain, located in the anterior portion of the animal, is composed of two cephalic ganglia joined by a ...
https://study.com/academy/lesson/planaria-digestive-system.html
Planaria have a simple but unusual digestive system that is quite different from our own human system. Planarian Worms Planaria , also known as planarian worms , are not true worms at all.
https://quizlet.com/60761659/hydra-vs-planaria-vs-earthworms-pg-210-212-flash-cards/
Planarian support system. hydrostatic skeleton. Planarian Segmentation. No segmentation. Planarian Appendages. No appendages. Planarian Nervous system. brain w/ 2 ventral nerve cords, ladderlike nervous system. Earthworm symmetry. bilateral. Earthworm tissue organization. 3 …
http://bio1903.nicerweb.com/Locked/media/lab/animalia/diversityI/key1152.html
Excretory System: metanephridia on each segment Locomotion: peristalsis with logitudina; and circular muscles Support System: coelomic fluid acts as hydrostatic skeleton
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