sieve tube

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Definitions from WordNet

Noun sieve tube has 1 sense

sieve tube - tube formed by cells joined end-to-end through which nutrients flow in flowering plants and brown algae
--₁ is a kind of vascular tissue
--₁ is a part of phloem, bast

Definitions from the Web

Sieve Tube

Description:

A "sieve tube" is a specialized type of plant cell found in the phloem tissue, responsible for transporting sugars and other organic compounds throughout the plant. It is composed of elongated cells joined together end to end, forming channels for fluid movement.

Senses and Usages:

Sense 1:

As a noun, "sieve tube" refers to a plant cell specialized for the transport of nutrients.

Example sentence: The sieve tubes in the phloem play a crucial role in the distribution of sugars throughout the plant.