Sinuses are air-filled sacs (empty spaces) on either side of the nasal cavity that filter and clean the air breathed through the nose and lighten the bones of the skull. There are four paired sinuses ...

The maxillary sinus drains into the nose through a hole called the ostia. When the ostia becomes clogged, sinusitis can occur. The ostia of the maxillary sinus often clog because the ostia are located ...

We think the human body is fully mapped. In reality, anatomy is still incomplete, and shaped by who was studied, and who wasn ...

With a human anatomy endorsement from Bethel, you’ll deepen and demonstrate your understanding of the human body and its functionality. You’ll gain deep understanding through hands-on learning in ...