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Heart Worm (Dirofilaria immitis)

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Jazzlyn Estil-Sauveur

on 18 April 2016

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Transcript of Heart Worm (Dirofilaria immitis)

Trichinella Spiralis
Trichinella
(Trichinella spiralis)
Jazzlyn D. Estil-Sauveur
Shirley B. Jilus
Zoology Period 3

Common Name: Trichinella
Kingdom: Animalia
Phylum: Nematoda
Class: Adenophorea
Order: Trichocephalida
Family: Trichinelloidea
Genus: Trichinella
Species:
T. spiralis
Classification
The percent of infected swine has decreased from 1.415% in 1900 to only 0.013% in 1995.
First became a national reported disease in 1966.
22 of the 72 causes of trichinosis from 1997-2001 were caused by infect pork.
The main hosts for this organism are meat eating animals, such as bears, rodents, swine, and humans.
General/Interesting Facts
Parasitism- is a relationship between a parasite that benefits from or lives off a host; such as humans or animals.
Human Parasite
The parasite is transmitted by eating raw or uncooked contaminated meat.

Symptoms include:
diarrhea
adbominal cramps
muscle pain
fever
swelling of the face and eye area
vomiting
headache
inflammation of organs

Trinchinosis
Heart Failure
Pneumonia (lungs)
Myocarditis (Inflammation of the heart muscle)
Encephalitis (brain infection and inflammation)
Organs That Are Affected
The life cycle of T. spiralis includes several different stages.
The adult trichina lives in the intestinal lining of such meat-eating animals as swine, bears, walrus, and rodents.
After mating, the male worm dies while the female goes on to produce the offspring.
Roundworms have a stage of development called the embryonic stage, which in many species occurs after birth.
The embryonic stage occurs within the uterus of the female, so the offspring that are ultimately discharged into the host's intestinal lining are in the larval second stage of life. Those larvae that reach striated muscle will grow to a length of about one millimeter, coil themselves, and enclose themselves within a protective wall called a cyst. This process is referred to as encysting. The worms in the cysts can live for up to ten years in this form.
Life Cycle
Scientific Name:
Trichinella spiralis
General Characteristics of Phylum Nematoda
Medication:
Anti- worm medication or Anthelminthics, drugs that expel parasitic worms

Mebendazole (Vermox)- effective against intestinal larve
Thiabendazole (Mintezol)- anti- inflammatory that can relieve pain muscles
Asprin, steriods such as prednisone for anti-muscle nflammatory

Tip: Throughly cooking and freexing the meats con prevent diagnosis; killing the worms

Treatment
Trichinella spiralis is most common in:
Mexico
Northern Hemisphere
Parts of Southern Asia
South America
The Middle East
They are also found in other tropical regions.
Location In the World
References
http://www.encyclopedia.com/topic/trichinosis.aspx

http://bioweb.uwlax.edu/bio203/s2009/maiers_andr/Interesting%20Facts.htm

http://animaldiversity.org/accounts/Trichinella_spiralis/

http://animals.mom.me/main-characteristics-nematoda-8326.html
Roundworms are classified as Pseudocoeloms, because they do nothave a full-fledged body cavity.
Nematodes have thread-like, cylindrical bodies, and the name of the worm dervies from the greek word for thread.
Roundworms use sixteen organs in its mouth to bring food into ts digestive system.
Nematodes do have a layer of skin--the epidermis--that covers their bodies.
Roundworms epidermis is made of collection of undifferentited cellular material.
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