microvilli
What microvilli means in Biology A-Level, as defined for AQA.
Definitions of microvilli
Exam boards and our study guides word this term in slightly different ways. Learn the version your board uses.
Check what you remember
Read the wording for your board, then hide it and explain microvilli in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Finger-like projections of the cell-surface membrane that increase the surface area of cells specialised for absorption, such as the epithelial cells lining the ileum.
These, or a folded membrane, mean a large surface area for absorption.
Topics that use microvilli
- Structure of eukaryotic cells (AQA A-Level)
- Transport across cell membranes (AQA A-Level)
Related terms
- active transport
- betalain pigment leakage
- calibration curve
- colorimetry and absorbance
- cristae
- differentiation
- Fluid mosaic model
- glycoproteins and glycolipids
Using microvilli in the exam
Check the command word and mark scheme for your exact question. After comparing your explanation with the reference, use the term in an answer on the linked topic. This practice does not predict an exam mark.
Practise Biology questions
Create a free account to answer exam-style questions on this topic and get feedback on your answers.
A week of Premium from your first lesson · Then the free plan continues · No card, no charge