Alveolata. A group of three related eukaryotic phyla whose members possess an alveolar membrane system, consisting of flattened membrane-bound sacs lying beneath the outer cell membrane. . 1.00
Membranes. Membrane Tissue . Membrane . Membrane Tissues . Tissue, Membrane . Tissues, Membrane . Thin layers of tissue which cover parts of the body, separate adjacent cavities, or connect adjacent structures. . 0.54