Two Harbors at the Isthmus of Santa Catalina Island is ideally located to offer easy access to some of the worldâs best scuba diving. Voted âWorldâs Healthiest Marine Environmentâ by Scuba Diving Magazine, the water is clear and clean, with visibility ranging from 40-100 feet.
mucosa. mucous membrane. adj., adj mucoÂ´sal. alveolar mucosa the mucosal lining of the dental alveoli; a thin, soft, fragile continuation of the mucous membrane of the cheek, lips, and floor of the mouth. (mucous membrane), a membrane, composed of epithelium and lamina propria. mucosa, alveolar, n the covering on the alveolar process loosely attached to bone that extends from the mucogingival junction to the vestibular epithelium and from the mandible to the sublingual sulcus.
The mucosa serves to line the cavity of the tract. The mucosa consists of three sub-layers called the epithelium, the lamina propria, and the muscularis mucosae. In most of the digestive tract, the cells in the epithelium are shaped like columns.his mucus lubricates the digestive tract. The lamina propia is a sub-layer that is made of loose connective tissue. The muscularis mucosae is a sub-layer of smooth muscle. The next layer after the mucosa is called the submucosa. This layer is a thick layer of loose connective tissue.