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  2. Cochlea - Wikipedia

    en.wikipedia.org/wiki/Cochlea

    Structural diagram of the cochlea showing how fluid pushed in at the oval window moves, deflects the cochlear partition, and bulges back out at the round window. The cochlea ( pl. : cochleae) is a spiraled, hollow, conical chamber of bone, in which waves propagate from the base (near the middle ear and the oval window ) to the apex (the top or ...

  3. Cochlear duct - Wikipedia

    en.wikipedia.org/wiki/Cochlear_duct

    The cochlear duct is part of the cochlea. It is separated from the tympanic duct (scala tympani) by the basilar membrane. [2] It is separated from the vestibular duct (scala vestibuli) by the vestibular membrane (Reissner's membrane). [2] The stria vascularis is located in the wall of the cochlear duct. [2]

  4. Osseous spiral lamina - Wikipedia

    en.wikipedia.org/wiki/Osseous_spiral_lamina

    The osseous spiral lamina is a bony shelf or ledge which projects from the modiolus into the interior of the bony canal of the cochlea, and, like the canal, takes two-and-three-quarter turns around the modiolus.

  5. Liver segment - Wikipedia

    en.wikipedia.org/wiki/Liver_segment

    A liver segment is one of eight segments of the liver as described in the widely used Couinaud classification (named after Claude Couinaud) in the anatomy of the liver.This system divides the lobes of the liver into eight segments based on a transverse plane through the bifurcation of the main portal vein, [1] arranged in a clockwise manner starting from the caudate lobe.

  6. Inner ear - Wikipedia

    en.wikipedia.org/wiki/Inner_ear

    The cochlea propagates these mechanical signals as waves in the fluid and membranes and then converts them to nerve impulses which are transmitted to the brain. [ 4 ] The vestibular system is the region of the inner ear where the semicircular canals converge, close to the cochlea.

  7. Lobes of liver - Wikipedia

    en.wikipedia.org/wiki/Lobes_of_liver

    "Anatomy diagram: 12581.000-1". Roche Lexicon - illustrated navigator. Elsevier. Archived from the original on 2012-07-22. Anatomy photo:37:02-0201 at the SUNY Downstate Medical Center - "Abdominal Cavity: Inspection of the Abdominal Viscera in situ" Anatomy photo:38:12-0204 at the SUNY Downstate Medical Center - "The Visceral Surface of the Liver"

  8. Modiolus (cochlea) - Wikipedia

    en.wikipedia.org/wiki/Modiolus_(cochlea)

    The modiolus is a conical shaped central axis in the cochlea. The modiolus consists of spongy bone and the cochlea turns approximately 2.75 times around the central axis in humans. [1] The cochlear nerve, as well as spiral ganglion is situated inside it. The cochlear nerve conducts impulses from the receptors located within the cochlea.

  9. Round window - Wikipedia

    en.wikipedia.org/wiki/Round_window

    The round window is situated below (inferior to) and a little behind (posterior to) the oval window, from which it is separated by a rounded elevation, the promontory.. It is located at the bottom of a funnel-shaped depression (the round window niche) and, in the macerated bone, opens into the cochlea of the internal ear; in the fresh state it is closed by a membrane, the secondary tympanic ...