Evolution of the cochlea about 7 mm long. Like in lepidosaurs and archosaurs, it contains a lagena, a vestibular sensory epithelium, at its tip. Only in therian mammals (marsupials and placentals) is the cochlea truly coiled 1.5 to 3.5 times. Whereas in monotremes there are many rows of both inner and outer hair cells in the organ of Corti, in therian (marsupial and placental) mammals the number of inner hair-cell rows is one, and there are generally only three rows of outer hair cells. Amphibians have unique inner ear structures. There are two sensory papillae involved in hearing, the basilar (higher frequency) and amphibian
Where the Dream Takes You in which the film itself is set. Its production, which has been described as "polished", was handled by Jay Selvester, Robbie Buchanan and Ron Fair. Distinguished from most film soundtracks, "Atlantis: The Lost Empire" features "Where the Dream Takes You" as its first track instead of its last. A&R/Interscope Records, Mýa's record company at the time, and Walt Disney Records released "Where the Dream Takes You" as the only promotional single from the "" soundtrack. It was sent to Top 40 and adult contemporary radio stations on June 5, 2001 to support the film ten days ahead of its June