Dictionary > Brush border

Brush border

Definition
noun
A layer of densely packed microvilli projecting from the inside surface of a tubular passage
Supplement
Brush borders are those found in the luminal (inner) surfaces of the small intestine and the proximal tubule of the kidney. They are made up of numerous microvilli projecting at the free surface of epithelial lining. The presence of microvilli greatly increase the surface area for absorption.
See also:


You will also like...

Physical growth
Physical Development in Humans

This tutorial elaborates on the physical development of humans, particularly from puberty to adulthood. Read this tutori..

Evolution of Life - Ancient Earth
Evolution of Life – Ancient Earth

Autotrophs flourished, absorbing carbon and light. Soon after, primitive life forms that could assimilate oxygen thrived..

running freshwater community
Running Water Freshwater Community Factors

This tutorial noted some of the physical and chemical factors that provide the framework of a running water community in..

New Zealand Flora & Fauna
Ecology & Biodiversity: New Zealand Flora & Fauna

New Zealand is known for its unique biodiversity, caused by its remarkable geography and geologic history. Breaking away..

Lotic community of algal species
Lotic Communities & Algae

Lotic communities have conditions that are rather harsh for typical plants. Thus, the diversity of plant species in loti..

Genetics – Lesson Outline & Worksheets
Genetics – Lesson Outline & Worksheets

  Topics Modules Quizzes/Worksheets Description Introduction to Genetics Genetics – Definition: Heredity and ..