This document discusses complex tissues and their classification. It defines complex tissue as a collection of structurally dissimilar cells that perform a common function. It provides xylem and phloem as examples of complex tissues. Xylem is the water conducting tissue and is made up of four cell types: tracheids, tracheae, xylem fibers, and xylem parenchyma. Phloem also has four elements. Laticiferous tissue contains two types of cells - latex cells and latex vessels. Latex cells may be branched or unbranched but do not fuse, while latex vessels start unbranched but later branch as two or more cells fuse to form a network.
2. B.SC SEM- 3
BOTANY PAPER 1
TITLE- MORPHOLOGY , ANATOMY AND ECONOMIC
UTILIZATION OF ANGIOSPERMS
UNIT 2- ANATOMY
COMPLEX TISSUES AND THEIR CLASSIFICATION L-2
By
Dr Vishnupriya Sharma
Department Of Botany
Ewing Christian College
Prayagraj
3. COMPLEX TISSUE-CT CAN BE DEFINED AS COLLECTION OF
STRUCTURALLY DISSIMILAR CELLS PERFORMING A COMMON
FUNCTION. XYLEM AND PHLOEM ARE CATEGORISED AS COMPLEX
TISSUE
Xylem- It is water conducting tissue and it is made up of 4 types of cells
1.TRACHEIDS
2.TRACHEAE(XYLEM VESSELS)
3. XYLEM FIBRES(XYLEM SCLERENCHYMA)
4. XYLEM PARENCHYMA
16. LATEX CELLS-THEY MY BE BRANCHED OR UNBRANCHED BUT DO
NOT FUSE TOGETHER
LATEX VESSELS-THEY R UNBRANCHED IN THE BEGINING BUT LATER
BECOME BRANCHED, 2 OR MORE CELLS FUSE TO FORM METWORK
