A companion cell is a plant cell connected to a sieve-tube element via plasmodesmata, with its nucleus and ribosomes potentially serving adjacent sieve-tube elements.
La cellula compagna è una cellula vegetale connessa a un elemento del tubetto cribroso da numerosi plasmodesmi, i cui nuclei e ribosomi possono servire uno o più elementi del tubetto cribroso adiacenti.
| Front | companion cell |
|---|---|
| Back | A type of plant cell that is connected to a sieve-tube element by many plasmodesmata and whose nucleus and ribosomes may serve one or more adjacent sieve-tube elements. |
Tags: ch.35
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