Chapter 8.2, Problem 2AYLO

Summary Introduction

To discuss:

Names and location of the cavities that enclose the brain, nose, ears, and eyes of the paranasal sinuses.

Introduction:

The air-filled spaces that surround the nasal cavity are called paranasal sinuses. It forms through excavation of bone by air-filled sacs from the nasal cavity. The process of formation of sinuses starts from the intrautrein life and continues throughout the life time. There are several biological functions of sinuses such as, it balance the weight of the facial bone, controls the voice, protect against facial trauma, maintaining the temperature of the dental roots and eyes, regulating the intranasal and serum gas pressures, and act as an immunological defense.