Cell wall — Science definition
A rigid cellulose layer outside a plant cell's membrane that resists pressure from within; it is porous, so it does no selecting.
Where it is taught
- Plant, Animal & Other Cell Types — Cells, Transport & Cellular Energy, Life Science & Scientific Inquiry, Grade 7
In use
But a plant cell has three things an animal cell does not: a rigid cell wall outside the membrane, chloroplasts that capture light, and one enormous vacuole that can fill most of the cell's volume.
Plant, Animal & Other Cell Types