Diaphragm Clip Art

My job requires me to search for a lot of clip art. Normal clip art-- nothing weird. But sometimes the results that come up from my perfectly normal searches just baffle me. Take this one, for example, (which came up after searching the word "gentle"):


WHAT is this? A diaphragm? The inside of an eyeball? An aborted fetus? Whatever it is, I suppose the hands are being gentle with it. But does it really matter?...