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- Nervous_system_of_gastropods abstract "The nervous system of gastropods consists of a series of paired ganglia connected by major nerve cords, and a number of smaller branching nerves.The brain of a gastropod consists of three pairs of ganglia, all located close to the oesophagus. In some primitive forms, these ganglia are relatively discrete, but in most species they have become so closely bound together as to effectively form separate lobes of a single structure.The cerebral ganglia are located above the oesophagus and supply nerves to the eyes, tentacles, and other sensory organs in the head. Beneath the oesophagus, at the forward part of the foot, lie the pedal ganglia. As their name implies, these supply nerves to the foot muscles.The third pair of ganglia within the brain lie slightly behind and below the cerebral ganglia. These are the pleural ganglia, and supply nerves to the mantle cavity. Bundles of nerves connect the cerebral, pedal, and pleural ganglia together, as well as running above and below the oesophagus to connect the right and left cerebral and pedal ganglia to each other.In most gastropods, a short pair of nerve cords passes forward from the cerebral ganglia to a pair of buccal ganglia located above the back of the mouth. These supply nerves to the radula and other parts of the mouth.The main nerve cords of the central nervous system run through the length of the body from the pleural ganglia. In the ancestral gastropod, these would presumably have run down either side of the animal, but because of the torsion of the visceral mass found in many modern forms, they now cross over each other. However, a number of species have undergone de-torsion, restoring their original bilateral symmetry.A pair of parietal ganglia lie along the length of the main nerve cords, supplying nerves to the gill and associated olfactory organ. Because of the torsion of the nerve cords, one parietal ganglion is typically higher in the body than the other. Finally, the nerve cords terminate in a linked pair of visceral ganglia, which supply nerves to the remaining organs of the visceral mass.Neurons of Helix, Helix aspersa, are used for study of epileptogenesis, because they are sensistive to epileptogenic drugs including pentylenetetrazol.".
- Nervous_system_of_gastropods thumbnail Lymnaea_stagnalis_central_ring_ganglia.jpg?width=300.
- Nervous_system_of_gastropods wikiPageExternalLink Gastropod_Neuroscience.
- Nervous_system_of_gastropods wikiPageID "23798081".
- Nervous_system_of_gastropods wikiPageRevisionID "543090284".
- Nervous_system_of_gastropods hasPhotoCollection Nervous_system_of_gastropods.
- Nervous_system_of_gastropods subject Category:Gastropods.
- Nervous_system_of_gastropods subject Category:Mollusc_anatomy.
- Nervous_system_of_gastropods subject Category:Nervous_system.
- Nervous_system_of_gastropods type Animal100015388.
- Nervous_system_of_gastropods type Gastropod101942177.
- Nervous_system_of_gastropods type Gastropods.
- Nervous_system_of_gastropods type Invertebrate101905661.
- Nervous_system_of_gastropods type LivingThing100004258.
- Nervous_system_of_gastropods type Mollusk101940736.
- Nervous_system_of_gastropods type Object100002684.
- Nervous_system_of_gastropods type Organism100004475.
- Nervous_system_of_gastropods type PhysicalEntity100001930.
- Nervous_system_of_gastropods type Whole100003553.
- Nervous_system_of_gastropods comment "The nervous system of gastropods consists of a series of paired ganglia connected by major nerve cords, and a number of smaller branching nerves.The brain of a gastropod consists of three pairs of ganglia, all located close to the oesophagus.".
- Nervous_system_of_gastropods label "Nervous system of gastropods".
- Nervous_system_of_gastropods sameAs m.06_xpyf.
- Nervous_system_of_gastropods sameAs Q6996976.
- Nervous_system_of_gastropods sameAs Q6996976.
- Nervous_system_of_gastropods sameAs Nervous_system_of_gastropods.
- Nervous_system_of_gastropods wasDerivedFrom Nervous_system_of_gastropods?oldid=543090284.
- Nervous_system_of_gastropods depiction Lymnaea_stagnalis_central_ring_ganglia.jpg.
- Nervous_system_of_gastropods isPrimaryTopicOf Nervous_system_of_gastropods.
