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The Collaborative International Dictionary
Trichinosis

Trichinosis \Trich`i*no"sis\, n. [NL. See Trichina.] (Med.) The disease produced by the presence of trichin[ae] in the muscles and intestinal track. It is marked by fever, muscular pains, and symptoms resembling those of typhoid fever, and is frequently fatal.

Douglas Harper's Etymology Dictionary
trichinosis

"disease caused by trichinae," 1864, coined by Bernhard Rupprecht (1815-1877) by 1864 from trichina (1835), Modern Latin, genus name of the minute, hair-like parasitic worms that cause it, from Greek trikhine, fem. of trikhinos "of or like hair," from thrix (genitive trikhos) "hair."

Wiktionary
trichinosis

n. (context pathology English) A disease characterized by headache, chills, fever, and soreness of muscles, caused by the presence of trichinae in the intestines and muscular tissues.

WordNet
trichinosis

n. infestation by trichina larvae that are transmitted by eating inadequately cooked meat (especially pork); larvae migrate from the intestinal tract to the muscles where they become encysted [syn: trichiniasis, myositis trichinosa]

Wikipedia
Trichinosis

Trichinosis, trichinellosis or trichiniasis is a parasitic disease caused by roundworms of the genus Trichinella. Infection was once very common, but is now rare in the developed world. The incidence of trichinosis in the U.S. has decreased dramatically in the past century. During 2008-2010, an annual average of 20 cases per year were reported in the United States. Several subspecies cause human disease, but T. spiralis is the most known. Infection may occur without symptoms, while intestinal invasion can cause diarrhea, abdominal pain or vomiting. Larval migration into muscle tissue (one week after being infected) can cause edema of the face or around the eyes, conjunctivitis, fever, muscle pains, splinter hemorrhages, rashes, and peripheral eosinophilia. Life-threatening cases can result in myocarditis, central nervous system involvement, and pneumonitis. Larval encystment in the muscles causes pain and weakness, followed by slow progression of symptoms.

Trichinosis is mainly caused by eating undercooked meat containing encysted larval Trichinella. In the stomach the larvae are exposed to stomach acid and pepsin which releases them from their cysts. They then start invading the wall of the small intestine, where they develop into adult worms. Females are 2.2 mm in length; males 1.2 mm. The life span in the small intestine is about four weeks. After 1 week, the females release more larvae that migrate to voluntarily controlled muscles where they encyst. Diagnosis is usually made based on symptoms, and is confirmed by serology or by finding encysted or non-encysted larvae in biopsy or autopsy samples.

The best way to prevent trichinellosis is to cook meat to safe temperatures. Using food thermometers can make sure the temperature inside the meat is high enough to kill the parasites. The meat should not be tasted until it is completely cooked. Once infection has been verified treatment with antiparasitic drugs such as albendazole or mebendazole should be started at once. A fast response may help kill adult worms and thereby stop further release of larvae. Once the larvae have established in muscle cells, usually by 3 to 4 weeks after infection, treatment may not completely get rid of the infection or symptoms. Both drugs are considered safe but have been associated with side effects such as bone marrow suppression. Patients on longer courses should be monitored though regular blood counts to detect adverse effects quickly and then discontinue treatment. Both medicines should be treated with caution during pregnancy or children under the age of 2 years, but the WHO weighs the benefits of treatment higher than the risks. In addition to antiparasitic medication, treatment with steroids is sometimes required in severe cases.

Trichinosis can be acquired by eating both domestic and wild animals, but is not soil-transmitted.

Usage examples of "trichinosis".

Nowadays, undercooked ham in any form could give a person trichinosis, which meant a horrible death, eaten alive by the microscopic worms.

It will also cure consumption, pneumonia, diphtheria, smallpox, trichinosis, tape worm, the common cold and almost anything caused by invasion of your bodies by foreign animalcules.

They should not be eaten raw because of the chance of trichinosis, but should be baked or boiled.

More important diseases such as trichinosis, which once was universally rampant when mankind ate uncooked or unprocessed pork, are unthinkable nowadays.

A while later, after the three travelers have found a suitable beach, pigs escaped from a nearby farm foul their camp, and the voice of the narrator intones that not long afterward a number of these pigs were slaughtered and several people were afflicted with trichinosis from eating their flesh.

Nowadays, undercooked ham in any form could give a person trichinosis, which meant a horrible death, eaten alive by the microscopic worms.

Malaria, amoebic dysentery, trichinosis, tapeworm infestations, and sleeping sickness are examples of parasitic diseases.