It extends horizontally along the lateral wall of the nasal cavity and consists of a lamina of spongy bone, curled upon itself like a scroll, (turbinate meaning inverted cone).

The medial surface is convex, perforated by numerous apertures, and traversed by longitudinal grooves for the lodgement of vessels.

Its upper border is thin, irregular, and connected to various bones along the lateral wall of the nasal cavity.

It may be divided into three portions: of these, The inferior border is free, thick, and cellular in structure, more especially in the middle of the bone.

There are different techniques, including bipolar radiofrequency ablation (also known as somnoplasty), electrocautery, and use of cold steel instruments (eg, microdebrider).