Smooth muscle cells in the gallbladder (400X) Smooth muscle cells and their nuclei. Image copyright: University of Oslo, CC BY-NC-ND 4.0. (Tissue stain: H+E). Magnify Labels Up (100X) This image shows smooth muscle cells cut longitudinally. Lots of their nuclei are seen. Published December 13th 2018, updated October 10th 2021. Share on Facebook Tweet Send email