aqueduct

(noun)

An artificial channel for conveying water, typically in the form of a bridge supported by tall columns across a valley.

Related Terms

  • mansard
  • mansard roof
  • bas-relief
  • balustrades
  • roof comb

Examples of aqueduct in the following topics:

  • Ventricles

    • CSF is produced by modified ependymal cells of the choroid plexus found in all components of the ventricular system except for the cerebral aqueduct and the posterior and anterior horns of the lateral ventricles.
    • CSF flows from the lateral ventricles via the foramina of Monro into the third ventricle, and then into the fourth ventricle via the cerebral aqueduct in the brainstem.
    • The aqueduct between the third and fourth ventricles is very small, as are the foramina.
    • The cerebral aqueduct is formed from the part of the neural canal that does not expand and remains the same at the level of the midbrain superior to the fourth ventricle.
    • Lateral and anterior views of the brain ventricles, including the third and fourth ventricle, lateral ventricles, interventricular foramen, cerebral aqueduct, and central canal.
  • Midbrain

    • It extends from the substantia nigra to the cerebral aqueduct (also called the ventricular mesocoeli).
    • Throughout embryonic development, the cells within the midbrain continually multiply and compress the still-forming aqueduct of sylvius or cerebral aqueduct.
    • Partial or total obstruction of the cerebral aqueduct during development can lead to congenital hydrocephalus.
  • Rome

    • Examples include the aqueducts of Rome, the Baths of Caracalla , basilicas, and the Roman Colosseum.
    • The Roman use of the arch, and their improvements in the use of concrete and bricks, facilitated the building of many aqueducts throughout the empire .
    • Because of this, the arch was employed in Roman aqueducts throughout the empire, and their survival is testimony to the durability of their materials and design.
  • Routing

    • A transport network, (or transportation network in American English), is typically a network of roads, streets, pipes, aqueducts, power lines, or nearly any structure which permits either vehicular movement or flow of some commodity.
  • Arches, Vaults, and Domes

    • Several circular arches placed in-line, end-to-end, form an arcade, such as the Roman aqueduct .
    • Throughout the Roman empire, their engineers erected arch structures such as bridges, aqueducts, and gates.
    • The Pont du Gard is an example of a Roman aqueduct using a circular arch.
  • Roman Architecture under the Republic

    • Roman aqueducts are another iconic use of the arch.
    • The arches that make up an aqueduct provided support without requiring the amount of building material necessary for arches supported by solid walls.
    • The Aqua Marcia (144–140 BCE) was the longest of the eleven aqueducts that served the city of Rome during the Republic.
  • Trochlear (IV) Nerve

    • The nucleus of the trochlear nerve is located in the caudal mesencephalon beneath the cerebral aqueduct.
  • Development of the Central Nervous System

    • The tectum, pretectum, cerebral peduncle, and other structures develop out of the mesencephalon, and its cavity grows into the mesencephalic duct (cerebral aqueduct).
  • Cerebrospinal Fluid and Its Circulation

    • It circulates from the lateral ventricles to the foramen of Monro (interventricular foramen), third ventricle, aqueduct of Sylvius (cerebral aqueduct), fourth ventricle, foramen of Magendie (median aperture), foramen of Luschka (lateral apertures), and the subarachnoid space over the brain and the spinal cord.
  • The Julio-Claudian Emperors

    • He initiated the construction of two aqueducts in Rome, Awua Claudia and Anio Novus, which were considered contemporary engineering marvels.
    • Despite his lack of experience, Claudius was an able and efficient administrator as well as an ambitious builder, constructing many roads, aqueducts, and canals across the Empire.
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