Nematodes

Roundworms

Other term for Nematodes

Morphology of Nematodes

Unsegmented, bilaterally symmetrical worms with cylindrical bodies that are elongated

Which sex is longer in Nematodes?

Female

Soil Requirement for Nematodes

Warm and moist

Giant Roundworm

Other name for Ascaris Lumbricoides

MOT of Ascaris Lumbricoides

Ingestion of eggs

Small Intestine

Habitat of Ascaris Lumbricoides

Ascarias

Disease of Ascaris Lumbricoides

Effect of Ascarias?

Larvae migrate to lung and causes pneumonia or asthma-like symptoms. It may induce allergic reactions as well.

Pinworm or Seatworm

Other term for Enterobius Vermicularis

2-13mm

Length of Enterobius Vermicularis

Cecum of large intestine, appendix and ascending colon

Habitat of Enterobius Vermicularis

15,000 eggs

The amount of eggs an Enterobius Vermicularis lay at night

MOT of Enterobius Vermicularis

Inhalation of eggs of pinworm

Enterobiasis

Disease of Enterobies Vermicularis

What does Enterobiasis do?

It rarely cause any serious physical problems except for the main symptom, which is severe rectal itching.

Scotch Tape Test

Diagnosis in Enterobius Vermicularis

Human Whipworm

Other term for Trichuris Trichiura

Soil-transmitted helminth

Source of Infection in Trichuris Trichiura

Attached in the Large Intestine

Habitat of Trichuris Trichiura

Trichuriasis

Disease from Trichuris Trichiura

Old World Hookworm

Other term for Ancylostoma Duodenale

New World Hookworm

Other term for Necator Americanus

MOT of Hookworms

Penetration of the skin

Hookworm Infection

Disease from Hookworms

What does Hookworm infection do?

It leads to pneumonia-like symptoms, microcytic, hypochromic anemia

Necator

Necator

Cutting plates of hookworms

Ancylostoma

Teeth of Hookworms

Threadworm

Other term for Strongyloides Stercoralis

1mm

Length of Strongyloides Stercoralis

MOT of Strongyloides Stercoralis

Skin penetration of larva and autoinfection

Small Intestine

Habitat of Strongyloides Stercoralis

Strongyloidiasis

Disease from Strongyloides Stercoralis

Cochin-China Diarrhea

Other term for Strongyloidiasis

Bancroft’s Filarial Worm

Other term for Wuchereria Bancrofti

Malayan Filarial Worm

Other term for Brugia Malayi

MOT for Wuchereria Bancrofti & Brugia Malayi

Mosquito Bite

Filariasis

Disease from Wuchereria Bancrofti & Brugia Malayi

Elephantiasis

Other term for Filariasis

Characteristic/s of Filiariasis?

Repeated inflammatory episodes > lymphatic obstruction & edema

Muscle worm or Trichina Worm

Other term for Trichinella Spiralis

MOT of Trichinella Spiralis

Ingestion of animal meat infected with pathogenic cysts

Trichinosis or Trichinellosis

Disease from Trichinella Spiralis

What does Trichinosis do?

It causes myalgia

1.4 and 1.6mm long

Length of Trichinella Spiralis, it is the smallest nematode parasite of humans

Pudoc Worm

Other term for Capillaria Philippinensis

Where is Capillaria Philippinensis first discovered?

Northern Luzon, in 1963

MOT of Capillaria Philippinensis

Ingestion of undercooked or raw freshwater fish “bagsit”.

Small Intestine

Habitat of Capillaria Philippinensis

Intestinal Capillariasis

Disease from Capillaria Philippinensis

Anthelmics

Medication used to treat Nematodes