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A sperm whale skeleton. The ribs are bound to the spine by flexible cartilage, which allows the ribcage to collapse rather than snap under high pressure. [52] While sperm whales are well adapted to diving, repeated dives to great depths have long-term effects. Bones show the same avascular necrosis that signals decompression sickness in humans ...
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You are free: to share – to copy, distribute and transmit the work; to remix – to adapt the work; Under the following conditions: attribution – You must give appropriate credit, provide a link to the license, and indicate if changes were made.
Diagram featuring the typical skeletal of a toothed whale (top) and a baleen whale (bottom) The cetacean skeleton is largely made up of cortical bone , which stabilizes the animal in the water. For this reason, the usual terrestrial compact bones, which are finely woven cancellous bone , are replaced with lighter and more elastic material.
Scientists studying the sperm whales that live around the Caribbean island of Dominica have described for the first time the basic elements of how they might be talking to each other, in an effort ...
The sperm whale is the largest toothed animal on Earth. ... Anatomical diagram of an adult female chambered nautilus, ... The skeleton has either a mesh or honeycomb ...
The partial skeleton of Perucetus, consisting of 13 vertebrae, four ribs and one hip bone, is estimated to be 17 to 20 meters (55.8 to 65.6 feet) long. ... and the enormous macropredatory sperm ...
However, when he sent drawings of these whales – including skeletal diagrams – to biologist Richard Owen to describe, Owen, in his 1866 paper, recognized it as a type of sperm whale in the family Physeteridae based on several similar characteristics, such as having functional teeth in only the lower jaw, a lopsided blowhole leaning towards ...