👉 The term "vitellarium" is a Latin word that refers to a type of plant cell in which the cell walls are composed of a single layer, called the vitelline layer. The vitelline layer is typically thicker than other cells in a plant and can be found in a variety of plant species, including flowering plants like roses, flowers, and ferns. Vitellarium plays a crucial role in plant growth and development as it helps to maintain water levels and protect the plant from
