Complex Permanent Tissues | Definition and its Types

Complex Permanent Tissues

Complex tissues are made up of more than one type of cells. These cells differ from one another in their form and structure; however, these cells work together as a unit. Hence, a complex tissue can be defined as a collection of structurally dissimilar cells performing a common function or set of functions.

Types of Complex Permanent Tissues:

Two types of complex tissues are found in the plants

  1. Xylem
  2. Phloem


  • It transports water and nutrients from the roots to the leaves of the plant.
  • It provides support to the plants.
  • It is divided into tracheids, vessels, xylem fiber, and xylem parenchyma.


  • It translocates the prepared organic food from the leaves to different parts of the plant.
  • It is also known as bast.
  • It is composed of sieve tubes, companion cells, phloem parenchyma, and phloem fibres.

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