Portland, Maine â For the first time, scientists have figured out how to determine the age of a lobster â by counting its rings, like a tree. Nobody knows how old lobsters can live to be; some people estimate they live to more than 100.
The lamina propria (more correctly lamina propria mucosae) mucosÃ¦ is a thin layer of loose connective, tissue or dense irregular connective, tissue which lies beneath the epithelium and together with the epithelium constitutes the. mucosa
The mucosa contains three sublayers: 1  the lining epithelium, 2  mucosa glands in most parts of the alimentary canal. 3  the lamina propria, which consists of a loose connective tissue supporting the epithelium, and a. 4  muscularis mucosa, which is a double-layer of smooth muscle surrounding the lamina propria.