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2. 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 ...

3. 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 ...

4. Tympanic cavity - Wikipedia

   en.wikipedia.org/wiki/Tympanic_cavity

   Facing the inner ear, the medial wall (or labyrinthic wall, labyrinthine wall) is vertical, and has the oval window and round window, the promontory, and the prominence of the facial canal. Facing the outer ear , the lateral wall (or membranous wall ), is formed mainly by the tympanic membrane , partly by the ring of bone into which this ...

5. Promontory of tympanic cavity - Wikipedia

   en.wikipedia.org/wiki/Promontory_of_tympanic_cavity

   The oval window is situated superoposteriorly to the promontory, and the round window inferoposteriorly to it. [1] A minute spicule of bone frequently connects the promontory to the pyramidal eminence. [citation needed]

6. Tympanic duct - Wikipedia

   en.wikipedia.org/wiki/Tympanic_duct

   It is separated from the cochlear duct by the basilar membrane, and it extends from the round window to the helicotrema, where it continues as vestibular duct. The purpose of the perilymph-filled tympanic duct and vestibular duct is to transduce the movement of air that causes the tympanic membrane and the ossicles to vibrate causing movement ...

7. Ear - Wikipedia

   en.wikipedia.org/wiki/Ear

   The round window allows for the fluid within the inner ear to move. As the stapes pushes the secondary tympanic membrane, fluid in the inner ear moves and pushes the membrane of the round window out by a corresponding amount into the middle ear. The ossicles help amplify sound waves by nearly 15–20 times.

8. 9 Best Cat Blankets — Approved by Kitties - AOL

   www.aol.com/lifestyle/9-best-cat-blankets...

   PHOTO CREDIT: AMAZON. Buy on Amazon. Why We Love. Made from ultra-soft material. Calming effect. Double-sided fleece. Year-round comfort. Non-toxic materials

9. Vestibule of the ear - Wikipedia

   en.wikipedia.org/wiki/Vestibule_of_the_ear

   In its lateral or tympanic wall is the oval window, closed, in the fresh state, by the base of the stapes and annular ligament.