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Planaria nervous system. The planarian nervous systems consists of a bilobed shaped cerebral ganglion that is referred to as the planarian brain. [15] Longitudinal ventral nerve chords extend from the brain to the tail. Transverse nerves, commissure, connect the ventral nerve chords forming ladder-like nerve system. [5]
Planaria is a genus of planarians in the family Planariidae. Due to its excellent ability to regenerate, species of Planaria has also been used as model organisms in regeneration studies. [ 1 ] When an individual is cut into pieces, each piece has the ability to regenerate into a fully formed individual. [ 2 ]
James V. McConnell (October 26, 1925 – April 9, 1990) was an American biologist and animal psychologist.He is most known for his research on learning and memory transfer in planarians conducted in the 1950s and 1960s.
Planaria tigrina Girard, 1850 Girardia tigrina , known as the brown planarian or the immigrant triclad flatworm , is a species of dugesiid native to the Americas . [ 1 ] It has been accidentally introduced into Europe [ 2 ] and Japan.
Jablanović was previously the Minister of Communities and Returns in the Government of Kosovo.Then Prime Minister Isa Mustafa dismissed him from office in February 2015 after a statement in which, as judged from Pristina, he insulted the mothers of Gjakova by calling the students of the attack on the bus with Serbs going to the cemetery "savages" and "freaks". [2]
Dugesia (/duˈd͡ʒiʒ(i)ə/ [citation needed]) is a genus of dugesiid triclads that contains some common representatives of the class Turbellaria.These common flatworms are found in freshwater habitats of Africa, Eurasia, and Australia.
Dugesia japonica is a species of freshwater planarian that inhabits freshwater bodies of East Asia, including Japan, Korea, Taiwan, China and northeastern Siberia. [2] However, molecular studies suggest that Dugesia japonica is polyphyletic and different populations across its area of occurrence constitute distinct species.
Species of Girardia are very similar to species of other genera of Dugesiidae and few apomorphies that clearly define the genus are known. [1] One of the few exclusive characteristics is the presence of pigment granules in the outer pharyngeal wall.