Parenchymen
Parenchymen is the plural form of parenchyma in German and is sometimes used in English-language contexts to refer to the functional tissue of an organ, as opposed to supportive or connective tissue (stroma). In anatomy and histology, parenchyma denotes the cells and tissues that carry out the essential functions of an organ.
In plants, parenchyma is the most common fundamental tissue. Parenchyma cells are typically living at maturity,
In animals, parenchyma refers to the functional tissue of an organ, as distinct from its supportive framework
Developmentally, plant parenchyma arises from undifferentiated meristematic cells and can differentiate into other tissue types as