Subdivisions of the mucosa?

surface epithelium, lamina propria, and muscularis mucosae

It depends upon the context. Subdivision refers to dividing a larger portion of something into smaller pieces. For example, it may be a plot of land that is subdivided into smaller plots prior to...

75% of gastric glands are present in Oxyntic Mucosa and contain endocrine,chief,parietal and enterochromaffin cells. Oxyntic mucosa is a subtype of mucosal lining present in gastric lumen,a neck like...

There are literally hundreds with varying levels of specificity. You could divide biology into that which concerns organisms with either of the major types of cells, called prokaryotes (which include...

each day...aquart of mucus secrected containing lysozyme anti-bacterial enzyme, and defensins (antibodies)- mucus traps inspied debris-water of the mucus humidifies inhaled air.