Tag Archives: amebocytes

Help from the horseshoe crab

Howard Fischer Uppsala, Sweden   Horseshoe crab. Crop of photo by Didier Descouens, 2009, via Wikimedia. CC BY-SA 4.0. The horseshoe crab (Limulus polyphemus) has not changed in more than 450 million years. It has been called “a living fossil.”1 It is, in fact, not a crab at all, but an arthropod, more closely related […]