Can humans get Macracanthorhynchus hirudinaceus?

Macracanthorhynchus hirudinaceus is an intestinal, acanthocephalan parasite also known as the “Giant Thorny-Headed Worm of Swine,” as its primary definitive host is swine. M. hirudinaceus and M. ingens have occasionally been found in dogs, humans and various wildlife hosts.

Where is Macracanthorhynchus ingens found in the body of a raccoon?

Macracanthorhynchus ingens is an acanthocephalan parasite that is primarily found in the intestines of raccoons. Macracanthorhynchus hirudinaceus is an intestinal, acanthocephalan parasite also known as the “Giant Thorny-Headed Worm of Swine,” as its primary definitive host is swine.

What does an adult Macracanthorhynchus look like?

Adults of Macracanthorhynchus hirudinaceus. Adults of Macracanthorhynchus hirudinaceus are large pseudocoelomates that vary in color from milky-white to pinkish to reddish. The body typically has a wrinkled appearance, giving the illusion of segmentation (pseudosegmentation).

What is the intermediate host of Macracanthorhynchus?

Intermediate hosts of acanthocephalans. Acanthocephalans require an invertebrate as an intermediate host, which can include crustaceans, insects, and annelids. The intermediate host for Macracanthorhynchus hirudinaceus is usually a scarabaeoid or hydrophilid beetle; M. ingens is known to use woodroaches.