This pressure-difference receiver principle was first described for insect ears by Autrum (1940 ). Thus, the driving force for tympanum vibrations, i.e. the pressure difference between its two sides, depends on the amplitude and phase of the direct and the indirect sound components, which again depend on sound...
jeb.biologists.org/cgi/content/full/208/6/1209
middle ear n. The space between the eardrum and the inner ear that contains the three auditory ossicles, which convey vibrations through the oval window to the cochlea. Also called tympanum. ... Anatomy See middle ear.
dictionary.reference.com/browse/tympanum dictionary.reference.com/browse/tympanum
Sponges often are shaped like vases with a central cavity (Figure 02). Figure 03 shows the anatomy of the sponge. The internal structures are described in the followings.
universe-review.ca/R10-33-anatomy.htm universe-review.ca/R10-33-anatomy.htm
Not finding your answer? Try searching the web for Tympanum ... What does tympanum mean? ... The Tympanum is an organ that senses vibration much like a mamilian ear. It is often found on the head of frogs and toads behind and slightly below the eyes.
www.ask.com/questions-about/Tympanum www.ask.com/questions-about/Tympanum
tympanum - 2 reference results ... A new method of studying the anatomy of the posterior tympanum. ... Apr 01, 2004; Abstract The anatomic position of the posterior tympanum compromises direct visualization and investigation of its structures....
www.reference.com/browse/tympanum www.reference.com/browse/tympanum
In this book, full color photos create a visual dictionary of the key external anatomy of a turtle (a reptile) including its head, tympanum, eyes, nostrils, jaw, neck, carapace, plastron, forelegs, hind legs, clawed feet, and tail.
www.amazon.com/Turtle-External-Parts-Anatomy-Reptile/dp... www.amazon.com/Turtle-External-Parts-Anatomy-Reptile/dp/B001AVI05U
We recovered a well-supported clade that is characterized by a unique cheek morphology indicative of a tympanum stretching across large parts of the temporal region to an extent not seen in other amniotes, ... Carroll RL, Lindsay W (1985) Cranial anatomy of the primitive reptile Procolophon, Can J Earth Sci 22:
www.plosone.org/article/info:doi%2F10.1371%2Fjournal.po... www.plosone.org/article/info:doi%2F10.1371%2Fjournal.pone.0000889
Holly Frisby, DVM, MS; Veterinary Services Department, Drs. Foster & Smith, Inc. ... Snake Anatomy & Physiology ... Reptile Guide Main...
animal.discovery.com/guides/reptiles/snakes/anatomy.htm... animal.discovery.com/guides/reptiles/snakes/anatomy.html
The average vet is not well versed with reptile anatomy and physiology. I have a yahoogroup dedicated to the conservation and husbandry of Horned Lizards. My specific area of expertise is in Chelonians ( primary- Box Turtles ), Phrynosoma ( Horned Lizards ), ... it appears the area you are describing is the tympanum,
en.allexperts.com/q/Reptiles-704/2008/5/Day-Gecko-swoll... en.allexperts.com/q/Reptiles-704/2008/5/Day-Gecko-swollen-neck.htm
Studying the anatomy of the middle ear of extant taxa may not be critical ... In many tetrapods, the tympanum is supported by a large emargination at the back of the skull. ... Reptile phylogeny and the interrelationships of turtles. ...
www.tolweb.org/articles/?article_id=470
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