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The medullary command nucleus (MCN), also called the pacemaker nucleus, is a group of nerve cells found in the bodies of weakly electric fish. It controls the function of electrocytes by regulating the frequency of electrical impulses .
The major difference between the gustatory neural structure of the fish and the rat is that the secondary gustatory nucleus of the fish projects to the interior lobe's lateral lobule of the diencephalon, while in the rat, the secondary gustatory nucleus projects to a specific thalamic area in the ventrobasal complex and to the ventral forebrain ...
The liver is a large vital organ present in all fish. It has a wide range of functions, including detoxification, protein synthesis, and production of biochemicals necessary for digestion. It is very susceptible to contamination by organic and inorganic compounds because they can accumulate over time and cause potentially life-threatening ...
However, animal behaviorist Temple Grandin argues that fish could still have consciousness without a neocortex because "different species can use different brain structures and systems to handle the same functions." [36] Animal welfare advocates raise concerns about the possible suffering of fish caused by angling. Some countries, such as ...
The size of the nucleus is correlated to the size of the cell, and this ratio is reported across a range of cell types and species. [9] In eukaryotes the nucleus in many cells typically occupies 10% of the cell volume. [10]: 178 The nucleus is the largest organelle in animal cells.
Its function is modulatory on signals going through the thalamus (and the reticular nucleus). The thalamic reticular nucleus receives massive projections from the external segment of the globus pallidus, thought to play a part in disinhibition of thalamic cells, which is essential for initiation of movement (Parent and Hazrati, 1995). [9]
MrBeast's ambitious reality show, which the YouTube megastar hopes will expand his giant online reach and turn the corner on recent controversies, is already raising questions from consumer ...
The micronucleus is the generative, or germline nucleus, containing the genetic material that is passed along from one generation to the next. [ 31 ] Paramecium reproduction is asexual , by binary fission , which has been characterized as "the sole mode of reproduction in ciliates" ( conjugation being a sexual phenomenon, not directly resulting ...