Nematoda

Histopathology of Onchocerca volvulus nodule Mansonella ozzardi microfilaria. Mansonella ozzardi microfilaria. Egg of Trichuris trichiura This micrograph reveals a fertilized egg of the round worm Ascaris lumbricoides; Mag. 400X. This micrograph reveals an unfertilized egg of the round worm Ascaris lumbricoides; Mag. 400X. Rhabditiform larva of Strongyloides Histopathology of Strongyloides adults in intestine This micrograph of an adult Trichuris female human whipworm, reveals that its size in centimeters is approximately 4cm. Egg of hookworm. Rhabditiform larva of hookworm. Infertile egg of Ascaris lumbricoides. Infertile egg of Ascaris lumbricoides. Egg of Strongyloides fulleborni. Histopathology showing cross section of Dirofilaria worm in eye. Histopathology showing cross section of Dirofilaria worm in eye. Histopathology showing cross section of Dirofilaria worm in eye. Histopathology showing cross section of Dirofilaria worm in eye. Eggs of Trichuris trichiura and Trichuris vulpis. Atypical egg of Trichuris trichiura. Eggs of Trichuris trichiura and Trichuris vulpis. Eggs of Fasciolopsis buski, Ascaris, Trichuris, and hookworm for size comparison. This photomicrograph reveals an egg from the nematode Trichuris trichiura; Mag. 400X. Capillaria philippinensis egg. Echinostoma and Ascaris eggs for size comparison. Dracunculus medinensis larvae. Hookworm rhabditiform larva - buccal cavity. Hookworm rhabditiform larva. Strongyloides rhabditiform larva. Hookworm rhabditiform larva. This micrograph depicts a hookworm rhabditiform-staged larva, which represents its early 1st to 2nd stage of development. Hookworm rhabditiform larva. Hookworm rhabditiform larva. Trichuris vulpis egg. Mansonella ozzardi microfilaria. Giemsa stain. Mansonella ozzardi microfilaria. Tip of tail. Mansonella ozzardi microfilaria. Hematoxylin stain. Brugia malayi, agent of filariasis. Brugia malayi, agent of filariasis. Loa loa, agent of filariasis. Loa loa, posterior end. Mansonella ozzardi, posterior end. Mansonella ozzardi, infectious agent of filariasis. Mansonella ozzardi, posterior end. Dipetalonema perstans, agent of filariasis. Dipetalonema perstans, anterior end. Dipetalonema perstans, posterior end. Onchocerca volvulus. Onchocerca volvulus, anterior end. Onchocerca volvulus, posterior end. This image depicts a method used to extract a Guinea worm from the leg vein of a human patient. Wuchereria bancrofti microfilaria. This unstained micrograph reveals the Ancylostoma duodenale hookworm's mouth parts; Mag. 125X. Ancylostoma braziliense mouth parts. Capillaria species egg. This micrograph reveals the head of the hookworm Necator americanus, and its mouth’s cutting plates; Mag. 400X. Tip of tail, hookworm filariform larva. Hookworm filariform larva. Strongyloides filariform larvae. Strongyloides filariform larva. Strongyloides filariform larva. Strongyloides filariform larva. Balantidium coli cyst with Trichuris egg inside. Strongyloides filariform larva. Hookworm filariform larva. Egg of Trichostrongylus. Hookworm filariform larva. Hookworm filariform larva. Strongyloides filariform larvae. Fertile egg of Ascaris lumbricoides. Decorticated egg of Ascaris lumbricoides. Infertile egg of Ascaris lumbricoides. Infertile egg of Ascaris lumbricoides. Strongyloides filariform larvae. Strongyloides filariform larvae. Strongyloides filariform larvae. Infertile egg and decorticated egg of Ascaris lumbricoides. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. A photomicrograph of a Trichuris vulpis egg that has been removed from a dog’s intestine. A photomicrograph revealing the histology of Onchocerca volvulus developing in a Black Fly, Simulium ochraceum. Here the parasitic disease Trichinosis is manifested by splinter hemorrhages under the finger nails. This micrograph depicts the histopathologic changes caused by Strongyloides stercoralis embedded in the intestinal wall. This micrograph reveals a Strongyloides stercoralis parasite embedded in the intestinal wall. This micrograph reveals a Strongyloides stercoralis parasite embedded in the intestinal mucosa. This micrograph reveals a Strongyloides stercoralis parasite embedded in the intestinal mucosa. This micrograph reveals a Strongyloides stercoralis parasite embedded in the intestinal mucosa. This photomicrograph shows the inner body and cephalic space of a Brugia malayi microfilaria in a thick blood smear. This is a micrograph of the anterior end of a Brugia malayi microfilaria in a thick blood smear using Giemsa stain. This is a micrograph of the posterior end of a Brugia malayi microfilaria in a thick blood smear using Giemsa stain. This micrograph shows the posterior end of a B. pahangi microfilaria in thick blood smear using Giemsa stain technique. This is a micrograph of the posterior end of a Wuchereria bancrofti microfilaria in blood smear using Giemsa stain. This is a micrograph of a Wuchereria bancrofti microfilaria in a thick blood smear using Giemsa stain technique. This is a micrograph of the internal structure of a Wuchereria bancrofti microfilaria using Giemsa stain. This is a micrograph of the anterior end of a Wuchereria bancrofti microfilaria in a blood smear using Giemsa stain. This is a micrograph of the posterior end of a Brugia pahangi microfilaria in thick blood smear using Giemsa stain. This illustration depicts the life cycle of A. simplex and P. decipiens, the causal agents of Anisakiasis. This illustration depicts the life cycle of Brugia malayi, the causal agent of Filariasis. This illustration depicts the life cycle of Baylisascaris procyonis, the causal agent of Baylisascariasis. This illustration depicts the life cycle of Capillaria philippinensis, one of the causal agents of Capillariasis. This is an illustration of the life cycle of Dracunculus medinensis, the causal agent of Dracunculiasis. This is an illustration of the life cycle of Loa loa, one of the causal agents of Filariasis. This is an illustration of the life cycle of Mansonella ozzardi, one of the causal agents of Filariasis. This is an illustration of the life cycle of Mansonella perstans, one of the causal agents of Filariasis. This is an illustration of the life cycle of Mansonella streptocerca, one of the causal agents of Filariasis. This is an illustration of the life cycle of Onchocerca volvulus, one of the causal agents of Filariasis. This is an illustration of the life cycle of Strongyloides stercoralis, the causal agent of Strongyloidiasis. This is an illustration of the life cycle of Toxocara canis and Toxocara cati, the causal agents of Toxocariasis. This is an illustration of the life cycle of Trichuris trichiura, the causal agent of Trichuriasis. This is an illustration of the life cycle of Wuchereria bancrofti, one the causal agents of Filariasis. This is a glycerine mount photomicrograph of the microfilarial pathogen Onchocerca volvulus in its larval form. These are eggs of the human parasite Enterobius vermicularis, or ‘’human pinworm’’, captured on cellulose tape. This micrograph reveals details of an Enterobius vermicularis egg, otherwise known as the ''human pinworm''. This photomicrograph depicts a fertilized egg of the parasite Ascaris lumbricoides. This micrograph depicts an embryonated Ascaris lumbricoides egg with no outer mammillated layer, i.e., “decorticated”. This micrograph depicts an egg from the “human whipworm”, Trichuris trichiura, the causal agent of “Trichuriasis”. This micrograph shows a hookworm egg from an undetermined species of origin. This embryonated egg is indistinguishable between the Ancylostoma duodenale or Necator americanus hookworm. These are 3 fertilized A. lumbricoides eggs with the one on the right being decorticated, for its outer layer is absent. This micrograph depicts a hookworm rhabditiform larva, which represents its early, noninfectious immature stage. This micrograph depicts the buccal cavity morphology of a hookworm, during its rhabditiform, early noninfectious larval stage. This micrograph depicts a rhabditiform, i.e., early noninfectious stage, larva of a parasitic Strongyloides sp. nematode. Note the short buccal cavity of this rhabditiform, i.e., early noninfectious stage larva of a Strongyloides sp. nematode. This micrograph depicts an egg from the parasitic nematode, Trichostrongylus. This micrograph shows eggs from a Trichinella sp., a Clonorchis sp., a Trichostrongylus sp. and a hookworm. The human hookworms include two nematode (roundworm) species, Ancylostoma duodenale and Necator americanus. This micrograph depicts the mouth parts of rhabditiform staged larvae of a hookworm (Lt), and strongyloides (Rt); Mag. 500X. This photomicrograph reveals a hookworm egg undergoing the process of cellular division. This micrograph depicts the tail tip of a hookworm (Lt), and a Strongyloides (Rt) filariform infective stage larvae. This micrograph depicts a hookworm (Lt), and a Strongyloides (Rt) filariform infective stage larvae. This diagram depicts the various stages in the life cycle of the Strongyloides stercoralis nematode. This micrograph depicts a strongyloides nematode in its rhabditiform larval stage, prior to its infective filariform stage. This micrograph depicts a strongyloides nematode in its rhabditiform larval stage showing prominent genital primordium. This micrograph reveals adult strongyloides nematodes located amongst the intestinal mucosa. This diagram depicts the various stages in the life cycle of the human pinworm nematode Enterobius vermicularis. This photomicrograph depicts the eggs of the nematode, or round worm Enterobius vermicularis mounted on cellulose tape. This micrograph reveals the cephalic alae in the head region the nematode Enterobius vermicularis, or human pinworm. This diagram depicts the various stages in the life cycle of the nematode Trichinella spiralis. This micrograph reveals developing Trichinella cysts within human muscle tissue. This micrograph confirms the presence of hookworms in a host’s intestines where they will reside while obtaining nutrients.