“The exact reason these became vestigial is difficult to tell, as our ancestors lost this ability about 25 million years ago, ...

If you can wiggle your ears, you can use muscles that helped our distant ancestors listen closely. These auricular muscles helped change the shape of the pinna, or the shell of the ear, funneling ...

If you can wiggle your ears, you can use muscles that helped our distant ancestors listen closely. These auricular muscles helped change the shape of ...

You'll need a doctor's exam to get an official diagnosis. Your outer ear includes the pinna, the part of your ear which you can see, and the ear canal, a tunnel-like structure that leads to your ...

The ear canal is the hollow tube portion of the ear that connects the pinna, or outer cartilage portion, to the eardrum. It ...

Basal-cell carcinomas predominated on the posterior surface of the ear; elsewhere, epidermoid carcinomas were more common. Figure 1 Four Sites of Origin of Carcinomas of the Pinna. The more ...

1). We verified that the modified ear still received specific elevation-dependent spectral features by training a two-layer feedforward neural network to map the pinna filter functions of the ...

The ear can detect a time difference as slight as 30 microseconds ... Time delays of reflections from the ridges of the pinna. The first chart (left) shows the delays (in microseconds) caused by ...

Ear (aural) hematomas occur when blood vessels in the pinna rupture secondary to trauma or excessive head shaking. Blood fills the space between the skin and the cartilage, causing pain and ...