The middle ear of humans evolved from fish gills, according to a study of a 438 million-year-old fossil fish brain. Scientists discovered the fossil of the braincase of a Shuyu fish.

The Middle Ear: Echoes of an Ancient Past. ... The post Your Inner Ear Started as a Fish’s Jawbone appeared first on discoverwildscience. Your Inner Ear Started as a Fish’s Jawbone.

Embryonic and fossil evidence proves that the human middle ear evolved from the spiracle of fishes. However, the origin of the vertebrate spiracle has long been an unsolved mystery in vertebrate ...

It turns out the human ear got off to a fishy start. Literally. A fascinating new study reveals that the mammalian outer ear ...

Evolution is a master recycler. It often uses old structures (or ancient genes) for new jobs. The mammalian ear is a perfect example. Over the eons, the jawbones of our fish ancestors became three ...

When they put human ear enhancers into zebrafish, those enhancers became active in the fish’s gills. Then they did the opposite, using fish gill enhancers in mice, and those enhancers turned on ...

"While the middle ear arose from fish jawbones, the outer ear arose from cartilaginous gills. By comparing how the same gene control elements can drive development of gills and outer ears, ...

Tympanometry refers to a test that helps in the evaluation of the proper functioning of the middle ear.The middle ear is positioned behind the eardrum, also known as the tympanic membrane.‌. The ...

You may not have heard of ear barotrauma, but you've probably had it. It's that stuffed-up feeling you get when flying or scuba diving. Learn why it happens and how to prevent it from WebMD.