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The late Romanesque tympanum of Vézelay Abbey, Burgundy, France, 1130s. A tympanum (pl.: tympana; from Greek and Latin words meaning "drum") is the semi-circular or triangular decorative wall surface over an entrance, door or window, which is bounded by a lintel and an arch. [1] It often contains pedimental sculpture or other imagery or ...
The tympanum is an external hearing structure in animals such as mammals, birds, some reptiles, some amphibians and some insects. [ 1 ] Using sound, vertebrates and many insects are capable of sensing their prey, identifying and locating their predators, warning other individuals, and locating potential mates and rivals by hearing the ...
Tympanum may refer to: Tympanum (architecture), an architectural element located within the arch or pediment; Tympanum (anatomy), a hearing organ/gland in frogs and toads, a flat red oval on both sides of a frog's head; Tympanum, in biology, the eardrum; Tympanum, or tympanal organ, a hearing organ in insects
tympanal membrane (tympanum): very thin membrane, transparent when dry, of the auditory organ; conjunctivum: membrane immediately connected with the tympanum; praecinctorium: median expansion of the intersegmental thoraco-abdominal membrane. In the Pyralidae type it is usually very simple. It is more developed in the Crambidae type.
In the anatomy of humans and various other tetrapods, the eardrum, also called the tympanic membrane or myringa, is a thin, cone-shaped membrane that separates the external ear from the middle ear.
The tympanum, or ear, is located in the front tibia in crickets, mole crickets, and bush crickets or katydids, and on the first abdominal segment in the grasshoppers and locusts. [2] These organisms use vibrations to locate other individuals. Grasshoppers and other orthopterans are able to fold their wings (i.e. they are members of Neoptera).
The tympanic cavity is bounded by: 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.
A trumeau is the central pillar or mullion supporting the tympanum of a large doorway, commonly found in medieval buildings. [1] An architectural feature, it is often sculpted. . Monolithic or paired, it becomes sculpted or decorated in Romanesque architecture, whose architectural invention consisted in animating the structure of the door, at the same time as Romanesque artists imagined ...