Image of the Day: Motile Swimmers

Scientists track the movement of sperm flagella.

Chia-Yi Hou
Jun 12, 2019
A sperm head (white) and lines tracking the movement of the sperm’s flagella

In a study published in Human Reproduction, researchers report devising a fully automated system that tracks and analyzes the movement of a large number of sperm flagella, which may be useful for determining sperm health. The software tool, Flagellar Analysis and Sperm Tracking (FAST), analyzes microscopy videos of diluted semen.

M.T. Gallagher et al., “Rapid sperm capture: high-throughput flagellar waveform analysis,” Hum Reprod, doi:10.1093/humrep/dez056, 2019.