Bell Ringer - Roundworms (Cram)

What is the genus species of this roundworm? It affects felines. It can cause potbelly, diarrhea, and poor hair coat. The order it belongs to is commonly called ascarids

Toxocara cati

What is the genus species of this roundworm? It affects canines and felines. Its eggs are colourless and have a ground glass appearance

Toxascaris leonina

What is the genus of these roundworm eggs? The order they belong to is commonly called ascarids

Toxocara

(They cannot be Ascaris or Parascaris because those have thicker pitted shells, and Toxascaris have a ground glass appearence)

What is the genus species of this roundworm? It causes cutaneous larva migrans in humans

Ancylostoma caninum (hookworm)

What catagory of roundworm does this egg fall under? Choices: ascarid, pinworm, strongyle, bloodworm, lungworm, hookworm, threadworm, and heartworm

Hookworm, all hookworm eggs are oval, thin–walled, and contain a 8–16 cell morula (cluster of cells formed through early cell division)

What is the genus of this roundworm larva? They are commonly called threadworms

Strongyloides

What is the genus species of these roundworm larvae? They are commonly called intestinal threadworms. The larva are free–living in the environment

Strongyloides stercoralis

What is the genus of this roundworm? It is commonly called the "hookworm of ruminants"

Bunostomum

What is the genus species of this roundworm? It is commonly called a whipworm, and it affects sheep, goats, and cattle

Trichuris ovis

What is the genus of this roundworm? It has a direct lifecycle and its hosts are ruminants. Eggs can overwinter in Alberta

Nematodirus (long necked worm)

What is the genus of this roundworm egg?

Trichuris (whipworm)

(Easily distiguished by lemon shape and bi–polar plugs)

What catagory of roundworm does this egg fall under? Choices: ascarid, pinworm, strongyle, bloodworm, lungworm, hookworm, threadworm, and heartworm

Ascarid, eggs usually have a thick pitted shell

What is the genus species of this roundworm? This sample is taken from the muscle of the definitive host

Trichinella spiralis (garbage worm)

What is the genus species of this roundworm? It is known as the "outstanding non–conformist of the nematodes"

Trichinella spiralis (garbage worm)

What is the genus species of this roundworm? It has a direct lifecycle, its host is pigs. Larva complete a tracheal migration

Ascaris suum

What is the genus species of this roundworm? It is known as the "whipworm of humans”

Trichuris trichiura