In this article we will study about permanent and secretary tissues found in plants. Study of Permanent Tissues: The derivatives of meristematic cells gradually become differentiated, lose the capability of undergoing divisions and form permanent tissues. In plants, different types of permanent tissues are found: 1. Simple Permanent Tissues: These are composed of similar cells and so are homogeneous in [...]
In this article we will discuss about the permanent tissue in plants:- 1. Simple Tissue 2. Complex Tissue. Permanent tissues are simple or complex, according to the nature of component cells. A simple permanent tissue is composed of only one type of cells and is thus homogeneous; whereas the complex permanent tissue is heterogeneous, consisting of more than one type [...]
The following points highlight the four main types of tissues seen in animals. The types are: 1. Epithelial Tissues 2. Connective Tissue 3. Muscular Tissue 4. Nervous Tissue. Type # 1. Epithelial Tissues: The cells taking part in this type of animal tissue have a regular, well-defined shape and scanty intercellular substance. They are usually in contact with one another [...]