👉 In the context of biology, a holophthalium is a type of plant cell that has photosynthesis as its primary function. These cells have an outer membrane made up of chloroplasts and are enclosed within a stroma (membrane) that is typically in the form of a hollow sphere or a cylinder. The inner part of these cells contains chloroplasts, which are organelles responsible for photosynthesis. A holophthalium is distinguished from other types of plants by its ability
