Tissues and Organs in Biology

Tissue is an organizational level between cells and a complete organ, consisting of similar cells and their extracellular matrix from the same embryonic origin that carry out a specific function.

The hierarchy is: Cells < Tissue < Organ < Organ System < Organism.

The English word 'tissue' derives from the French word 'tissu', the past participle of the verb tisser, which means 'to weave'.

<p>The classical tools for studying tissues are the paraffin block, histological stain, and optical microscope.</p> Signup and view all the answers

<p>Plant tissues are categorized broadly into three tissue systems: the epidermis, the ground tissue, and the vascular tissue.</p> Signup and view all the answers