University of California - Davis. "Invisible anatomy in the fruit fly uterus." ScienceDaily. ScienceDaily, 25 October 2024. <www.sciencedaily.com / releases / 2024 / 10 / 241025165753.htm>.

Then researchers discovered an internal compass in the tiny fruit fly. The fly's compass is very accurate, but it's built from a really small network, contrary to what previous theories assumed.

Previously, there were no cell types from the fly uterus identified with genetic markers. The new study reveals more than 20 different cell types in the uterus and associated organs.