<unk>  is a term used to describe a bulk of a substance. It is used in different ways in animals and in plants.
The term is New Latin, from Greek parenkhuma, visceral flesh, from parenkhein, to pour in beside : para-, beside + en-, in + khein, to pour.
Parenchyma
Cartilage
White matter
Adnexa
Dura mater
Connective tissue
Nervous tissue
Nucleohyaloplasm