The anterior of the body of an animal, as of a cephalopod; the thorax of an arthropod.
The "front" section of the tarantula that contains the carapace, eyes, fangs, etc.
(Latin noun) also called cephalothorax, it is the front body section of an arachnid, a combination of head and thorax
(proh - soh - ma) In horseshoe crabs, this is the front portion of the body (the "horseshoe" part). One component of the data gathered about horseshoe crabs during population surveys is the prosomal width of individual animals.
front body part, consists of head and thorax region joined together; carries chelicerae, pedipalps, and legs; also called cephalothroax