Parenchyma serves as a packing tissue in plants; Therefore, they do not have intercellular spaces. Collenchymatous tissues are mechanical tissues in plants and are characterized by the deposition of cellulose at cell corners, leading to a localized thickening of the ...

Animal tissues are categorised into four basic types on the basis of their structure and functions. The four basic types of tissues are epithelial connective, muscular and nervous tissue.