distinct delineation of smooth muscle elements , including individual smooth muscle cells , and their specific patterns of alignment and organization , were observed , e.g. , cells comprising the muscularis mucosae and extending into the lamina propria of the gastrointestinal tract , and myoepithelial cells of skin , exocrine glands , and breast .
C0225357
muscularis mucosae
C1179187
lamina propria