Human urethra showing epithelium, lamina propria and smooth muscle. Optical microscope X40.

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Photo credit: © José María Barres Manuel / Alamy / Afripics
License: Royalty Free
Model Released: No

Keywords: epithelium, histology, human, lamina, micrograph, microphotography, microscope, muscle, muscular, optical, propria, slide, smooth, tissue, urethra