Ex

  Biology (NTSE/Olympiad)  

2. Tissue

Permanent Tissues

Permanent Tissues :
Definition :
These tissues are derived from the meristematic tissues but their cells have lost the ability of division and have attained their different forms.
They are of these types-Simple and Complex.
Simple Permanent Tissues :
These tissues are made up of cells which are structurally and functionally similar. These are of three types -
Parenchyma Collenchyma
Sclerenchyma Protective tissue

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