Table 2.
Category of IB according to its size.
| Category | Size (Mean Cross-Sectional Area) |
|---|---|
| Large | Greater than 8 μm2 |
| Medium | Between 3 μm2 and 8 μm2 |
| Small | Less than 3 μm2 |
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.