brush border

Introduction

Consists of microvillae which serves to enhance cell surface area available for absorption of small molecules.

Brush border is found in:

• intestinal mucosa
• proximal convoluted tubule of kidney

The microvillae are about 1-1.5 uM in length & 0.03 uM in width by electron microscopy. Mucopolysaccharides & alkaline phosphatase are associated with the brush border.

More general terms

• anatomic structure

Additional terms

• microvillus

Components

• microvillus