🧬ap biology review

Engulfment

Written by the Fiveable Content Team • Last updated September 2025
Verified for the 2026 exam
Verified for the 2026 examWritten by the Fiveable Content Team • Last updated September 2025

Definition

Engulfment refers to the process by which cells surround and internalize large particles or substances by forming a vesicle around them. This mechanism allows cells to take in extracellular materials for various purposes such as nutrient uptake or immune response.

"Engulfment" also found in: