Now that they've established the relationship
between ear structure and movement in living animals, the researchers can make predictions about the motion of extinct creatures by measuring the bony canal remnants in fossils.
Not exact matches
A total of 195 children aged
between eight and 10 — including 36 with dyslexia and 29 with a history of repeated
ear infections — completed a series of tests to establish their reading and writing skills and how they used the
structures of words based on their sounds and meanings, in speech and literacy.
«We have long suspected that there was a connection
between throat
structures used for air breathing and middle -
ear structures used for hearing,» says Jennifer Clack of the University Museum of Zoology in Cambridge, England, who has studied related fossils.
Curiously, this genetic change triggered, millions of years later, the connection
between two gene regulatory networks (those controlled by ESRP and by Fgfr), which became key for the origin of many vertebrate organs and
structures (lungs, forelimbs and inner
ear).
When the dog's
ears itch or develop an infection and the dog scratches them excessively, small blood vessels break, causing blood to leak
between the skin of the inner surface of the
ear and the cartilage that forms the
ear structure.