Anatom3DEyebrows
Supercilium · Obočí
Skin & appendages
Looks like
A curved ridge of thick short hairs on skin over the upper rim of each eye socket.
What it does
Keeps sweat and rain out of the eyes and conveys facial expression.
Keeping it well
Thinning of the outer third can come with an underactive thyroid; scaly flaking here is usually seborrhoeic dermatitis.