Chapter
The Razor-Sharp Teeth of Leeches
10:16 - 12:52 (02:36)
Leeches have razor-sharp teeth that allow them to create a vacuum pump to suck out blood. Though they don't hurt much, their little denticles act like circular saws that keep sawing deeper into the skin until they find a blood vessel.
Clips
This episode explores the gruesome world of leeches, including how they attach to their prey and suck their blood, as well as why researchers are studying leeches' saliva for medical purposes.
10:16 - 11:42 (01:26)
leeches
Summary
This episode explores the gruesome world of leeches, including how they attach to their prey and suck their blood, as well as why researchers are studying leeches' saliva for medical purposes.
ChapterThe Razor-Sharp Teeth of Leeches
EpisodeLeeches: Oh Hell No!
PodcastStuff You Should Know
Land leech bites are not as painful as one might think due to the razor-like teeth of the leech, which are so sharp and anesthetic-filled that it doesn't hurt that bad.
11:42 - 12:52 (01:10)
leeches
Summary
Land leech bites are not as painful as one might think due to the razor-like teeth of the leech, which are so sharp and anesthetic-filled that it doesn't hurt that bad. Additionally, leech saliva does not contain anesthetic, which is a common myth.