๐Ÿงฌap biology review

Cleavage Furrow

Written by the Fiveable Content Team โ€ข Last updated August 2025
Verified for the 2027 exam
Verified for the 2027 examโ€ขWritten by the Fiveable Content Team โ€ข Last updated August 2025

Definition

The cleavage furrow is a shallow groove in the cell membrane where cytoplasmic division will occur. It's the first sign of cytokinesis during cell division in an animal cell.

AP course connection

Topic 4.6: 4.6 Regulation of the Cell Cycle

Unit 4

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