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  2. Caenorhabditis elegans - Wikipedia

    en.wikipedia.org/wiki/Caenorhabditis_elegans

    The sex determination system in C. elegans is a topic that has been of interest to scientists for years. [30] Since they are used as a model organism, any information discovered about the way their sex determination system might have evolved could further the same evolutionary biology research in other organisms.

  3. Nervous system - Wikipedia

    en.wikipedia.org/wiki/Nervous_system

    The enteric nervous system functions to control the gastrointestinal system. Nerves that exit from the brain are called cranial nerves while those exiting from the spinal cord are called spinal nerves. The nervous system consists of nervous tissue which, at a cellular level, is defined by the presence of a special type of cell, called the ...

  4. Uncoordinated-119 (Unc-119) - Wikipedia

    en.wikipedia.org/wiki/Uncoordinated-119_(Unc-119)

    Two transcript variants encoding different isoforms have been described for this gene. The encoded product shares strong homology with the C. elegans unc119 protein and it can functionally complement the C. elegans unc119 mutation. Unc-119 has also been identified in other areas in humans, such as the liver, kidneys, brain, and fibroblasts. [10]

  5. Caenorhabditis - Wikipedia

    en.wikipedia.org/wiki/Caenorhabditis

    Caenorhabditis is a genus of nematodes which live in bacteria-rich environments like compost piles, decaying dead animals and rotting fruit. The name comes from Greek: caeno- (καινός (caenos) = new, recent); rhabditis = rod-like (ῥάβδος (rhabdos) = rod, wand).

  6. Nematode - Wikipedia

    en.wikipedia.org/wiki/Nematode

    Internal anatomy of a male C. elegans nematode Cross-section of female Ascaris. The large circles filled with small green circles are the uterus and eggs. The long narrow feature is the digestive tract. The smaller red and orange circles are the ovaries and oviducts.

  7. Neuroanatomy - Wikipedia

    en.wikipedia.org/wiki/Neuroanatomy

    The central nervous system (CNS) consists of the brain, retina, and spinal cord, while the peripheral nervous system (PNS) is made up of all the nerves and ganglia (packets of peripheral neurons) outside of the CNS that connect it to the rest of the body. The PNS is further subdivided into the somatic and autonomic nervous systems.

  8. Connectomics - Wikipedia

    en.wikipedia.org/wiki/Connectomics

    Connectomics is the production and study of connectomes: comprehensive maps of connections within an organism's nervous system.More generally, it can be thought of as the study of neuronal wiring diagrams with a focus on how structural connectivity, individual synapses, cellular morphology, and cellular ultrastructure contribute to the make up of a network.

  9. Evolution of nervous systems - Wikipedia

    en.wikipedia.org/wiki/Evolution_of_nervous_systems

    In this species, the nervous system is sexually dimorphic; the nervous systems of the two sexes, males and hermaphrodites, have different numbers of neurons and groups of neurons that perform sex-specific functions. In C. elegans, males have exactly 383 neurons, while hermaphrodites have exactly 302 neurons. [24]