Are You Wondering What That Tiny Extra Hole In Your Ear Is For? You Better Check This Out!


You might want to be all ears with this one. 

Have you ever noticed that few people have a tiny hole above their ears? No, it’s not a piercing, but it is something they are born with. 

Are You Wondering What That Tiny Extra Hole In Your Ear Is For? You Better Check This Out!

That itsy-bitsy hole is a congenital disorder called preauricular sinus. Sometimes called the preauricular pit, preauricular cyst, or preauricular fissure, this is harmless but prone to infection. This will be music to your ears because the infection is treatable with antibiotics. 

As discussed by the Children’s Hospital of Philadelphia, these pits could be repeatedly infected, leading to benign cysts or pus-filled abscesses. Keep an ear out for what the doctors suggest: people with repeated infections should undergo minor surgery to remove the preauricular sinus.  

Are You Wondering What That Tiny Extra Hole In Your Ear Is For? You Better Check This Out!

How did this hole come about? This sinus is caused by the first and second pharyngeal arches, and usually occurs in the fetal development stage. Later on, the said arches become structures of the head and neck in mammals, but become gills for fishes. 

Are You Wondering What That Tiny Extra Hole In Your Ear Is For? You Better Check This Out!

According to Neil Shubin, an evolutionary biologist, this hole could be an “evolutionary remnant of fish gills.” This theory is not yet validated so no need to hole up. Yet. 

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