This is a high quality slide made especially for us here at Nature's Workshop Plus! This slide of human Testis is used with the Advanced Biology - The Human Body Fearfully and Wonderfully Made - course by Dr. Jay Wile. Each slide is individually made, and will vary slightly from the one pictured here. The human Testis pictured here is magnified at 100x. Our model #131 microscope was used to photograph this slide specimen. The black pointer near the top of this picture is a feature of this microscope, and is not a part of the slide.