cnida
Cnida is a term used in biology, specifically in the study of cnidarians, to refer to specialized stinging organelles found in the cells of these animals. Cnidarians include well-known groups like jellyfish, corals, sea anemones, and hydras. The cnida is housed within a specific type of cell called a cnidocyte, which is abundant in the tentacles and other external surfaces of these organisms.
The primary function of cnida is defense and prey capture. When triggered by mechanical or chemical stimuli,