👉 In biology, a periderm is a type of organism that lives on or near other organisms. These organisms are known as endoparasites and are typically found in close proximity to their hosts. Periderms may be small insects, arthropods, or even larger animals like fish or mammals. In the context of plant cells, periderms can be a significant part of the cell wall structure of certain plants such as mushrooms, fungi, and some types of bacteria. These perider
