Biology

  1. Home
  2. Education
  3. Biology

See More About:

Spindle Fibers
<Back to Last Page>     <Full Glossary>

 Related Terms
• Chromatid
• Chromosome
• Microtubules
• Mitosis
 
 
Definition: An aggregate of microtubules that move chromosomes during cell division.

During prophase:
  • Spindle fibers form at opposite poles of the cell.
During metaphase:
  • Spindle fibers extend from the cell poles to align chromosomes at the metaphase plate.
During anaphase:
  • Spindle fibers pull the chromatids toward the spindle poles, and lengthen and elongate the cell.







<Back to Last Page>     <Full Glossary>

Explore Biology

About.com Special Features

A Smarter Future

Tips that will help finance your education, excel in the classroom, and advance your career. More >

How to Ace the GRE

Being well prepared is the first step; here are more essential suggestions. More >

Biology

  1. Home
  2. Education
  3. Biology

©2009 About.com, a part of The New York Times Company.

All rights reserved.