Übersetzen...
Automatische Übersetzung:
Scanning electron micrograph of a head louse. Head lice (Pediculus) feed on human blood and live in close proximity to the scalp. They lay eggs (nits) in sacs which firmly attach to individual strands of hair near the base of the shaft. Width of image is 900 micrometres. Supplied by Kevin Mackenzie, courtesy of Wellcome Images.