what is the location of the nerve cord in flatworm? ventral or dorsal?
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Two main ventral thick nerve cords were consistently present in all examined species. These always extended posteriorly, whereas most other nerve cords were radially distributed in the anterior part of the animal. Several thinner commissures of different arrangements connected the major nerve cords.
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꧁༒࿙เ ɦσρε เƭ'ร ɦεℓρƒµℓ ƒσɾ ყσµ αɳ∂ σƭɦεɾร ρℓƶ ɱαɾҡ ɱε αร ɓɾαเɳℓเรƭ αɱ∂ ƒσℓℓσω ɱε࿚꧂
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The nervous system of the flatworm has an organization different from the invertebratesIt does have a nerve net, but these are connected by long nerve cords. These cords are connected to cerebral ganglia located in the head region. The central nervous system has been described as "ladder-like" because of the nerves connecting the nerve cords.
Flatworms have "auricles" that project from
the side of the head. These auricles contain chemoreceptors that are used to find food. Flatworms also have eyespots called "ocelli". The ocelli are sensitive to light and are connected to the cerebral ganglia. Generally, the flatworm avoids light.
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