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Tapeworms in humans essay
Tapeworms in humans essay
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Tapeworms and their involvement with humans goes back millions of years with the first identifiable case being in 1853 by Von Siebold. Humans have only recently however discovered there parasites with the first during our short time on earth we have acquired around 300 species of tapeworms (Hoberg). Contrary to popular belief it has been discovered that African hominids caught these parasites through scavenging around two million years ago and they then passed them on to domesticated cattle and pigs. I chose to do this parasite due to my initial interest in seeing the removal of one of these worms. Seeing a live tape worm being drawn out of a body slowly is incredible fascinating. It is also a very tense situation because if the worm rips it can exponentially complicate the procedure and may even lead to death. This method is no longer used however and people simply take medication and the worm can then pass through their system. Although even today rural …show more content…
These estimations however may be low due to the prevalence of this parasite in third world regions with less concise data on causes of death. Furthermore fifty percent of the reported cases are also from low to lower middle income countries. The symptoms for this include abdominal pain, nausea, diarrhea and constipation within eight weeks of ingestion of larva. Unless treated the tapeworm can reside in the host for many years. Tapeworms can be treated in a variety of ways, the most common seems to be medication for early cases that can then simply flush the parasite out of the system. For more advanced cases the tape worm has to be removed surgically (Wang). In some third world countries without our current access to advanced medicine the worm tail is attached to a stick and slowly twirled to remove the worm and not rip it. Cutting the worm will cause its body to recede into the body and result in severe
Many say it is bad to dissect an animal of nature, and they are completely true, they’re helping animals in the studious way. Can also be dangerous to those veterinarians, hopefully they are secure. The practice of dissection the act of cutting into and examine a dead animal. It continues to sense as a prominent educational tool for touching. The treatment of animals destine for use in dissection and other educational purposes. It involves an inordinate amount suffering, stress, inhumane
ImageText BoxImageOne of the biggest threats to the environment of Ontario is the Gypsy Moth (Lymantria dispar dispar). The species itself is native to Europe and Asia. How this affects us is by weakening trees across Ontario and North America. The first time the gypsy moth was found in Ontario was 1969. The gypsy moth can be found in southern Canada (Ontario), New Brunswick, Nova Scotia and British Columbia. It is known to weaken trees and the caterpillar form live in trees and during most outbreaks its caterpillar feces would fall from the trees to the ground or even on top of humans. The average Gypsy Caterpillar can grow 5-6 centimeters long. With five pairs of blue spots and six pairs of bright red dots on their back. The female moth are white and can fly on the other hand, the male moth are brown and can also fly. The female have a 5cm wing span but male have a 2.5cm wing span. The gypsy moth usually lives in open forests and other forests and take up at least 20% of the space. The Gypsy moth are about 4cm long, tan coloured and can be located on tree trunks, furniture, and buildings. (OFAH Invading Species Awareness Program, 2012)
Infestation of up to 20 meningeal worms has been discovered in a single deer’s subdural cavity. The white tail deer is the preferred host, but they rarely ever suffer from any sickly or neurological problems from this type of worm. We will see severe signs in llamas and alpacas; these are the two animals that can become infected with it frequently. The meningeal worm can cause damage to the central nervous system and could result in death so it is important to try and catch it early and learn about how to prevent this deadly worm. Things that you should be familiar with about the meningeal worm are its life cycle, the signs in your animal, and any prevention or treatment options.
Oftentimes, people can recall at least one song they know that is undoubtedly catchy because of its repetitive nature. That song can become a nuisance, when it will not leave your mind. When a melody gets stuck in your head, sometimes it could take a whole day to forget the tune. A certain tune can be stuck in your brain for many years! In Oliver Sacks’ passage, “Brainworms, Sticky Music, and Catchy Tunes”, he talks about “earworms”, or a pathological repetition. Sacks uses patterns of development to inform the modern reader about the dark side of music.
the definition of parasite, is something that hurts. for ever. this parasite, was a landmine. I had good medical attention. But once i returned home, I finally left. I wanted to leave. there were rockets, raining down in every place i looked. those rockets stole my family. we couldn't stay. so we fled. the last time i had a true education, was when i entered high school. between 2nd grade and 9th the education i had in my birth place, that wasn't any kind of education. i wanted more. and there was nothing there for me to want
Schistosomiasis is a parasite. This parasite is a worm that you get through contaminated water. Urine and feces usually contaminate the water. The worm goes in to your body and migrates to the bladder, rectum, liver, lungs, spleen, intestines and some veins. After the worm migrates to these places this is where it matures and lays its eggs. The disease has the ability to lay two thousand to three thousand eggs per day and can live for twenty years. There are five different kind of Schistosomiasis that effect humans, these different kinds are; S. mansoni, S. Heamatobium, S. japonicum, S. intercalatum and S. mekongi. There are also other kinds of Schistosomiasis that occasionally infect humans, there are; S. bovis, S. mathei, and some avian schistosomes.
Treponema pallidum 2 Introduction Treponema pallidum is a Gram-negative bacterium that has a spiral shape (1). They are about 6 to 20um in length and 18-20um in diameter (1). Treponema pallidum can only survive within a host which makes them obligate internal parasites, meaning that outside a host this organism will die due to the absence of nutrients, exposure to oxygen and heat. Also, since this organism can’t be grown on a culture medium, animal models are used to study T. pallidum (1). Treponema pallidum bacteria consist of an inner and outer membrane with a thin peptidoglycan cell wall lacking liposaccharides (1).
The most common way this disease is transmitted from one animal to the next is through mosquitoes. A mosquito carrying infective heartworm larvae bites a dog and transmits the infection to them. The larvae grow, develop, and migrate in the body over a period of 6 to 7 months, in which time they become sexually mature male and female worms. this is the prepatent period. The worms then reside in the heart, lungs, and associated blood vessels. The worms begin to mate and release microfilaria into the blood stream. When a mosquito bites an infected dog it takes in some of the microfilaria in the blood. After 10 to 30 days there is larvae in the mosquito’s salivary gland which can then be passed on to the next dog the mosquito bites.
The everyday death of man is a show for the angels. Our hero worm represents death and people are the actors. The worm of death is from the Phylum Nematoda. Many roundworms cause diseases in humans, which can lead to death. I have, however, reason to believe this is actually the blood fluke, Schistosoma of the Class Trematoda in Phylum Platyhelminthes.
Worms. It's not something that most dog-owners want for their beloved pups; but unfortunately, it's something that happens all too often. Worms and other parasites aren't just disgusting to think about, they are also potentially dangerous. At the first suspicion—or sight—of worms, you should take action quickly, so that your family pet doesn't suffer from upset tummy, grumpy behavior, or death.
This disgusting worm parasite is spread by flies and mosquitoes. The adult worm spreads its larvae throughout the host’s lymphatic system and causes the lymph nodes to become clogged up. This also makes the tissue in the host’s body to swell up and create massive muscle deformations, otherwise known as elephantiasis. The elephantiasis mainly affects the legs and genitals. The disease also affects the eyes but that can be easily detected through close inspection but it commonly causes river blindness in the host. It’s been estimated that the parasite is one of the leading causes of blindness throughout the world.
It only takes the parasite six to seven months to grow into adult worms. Administration, Animal and Veterinary 5.... ... middle of paper ... ... It is very important to give your pet their preventative exactly 30 days apart without skipping a dose as doing so can lead to a positive heartworm test.
Researchers from the Animal Parasitic Laboratory and Agriculture Research Service of the United States Department of Agriculture concluded that the linage of Trichinella spiralis originated from Europe over several thousand years ago (Rosenthal, LaRosa, Zarlenga, Dumans, Chunyu, Mingyuan & Pozio, 2008). This is the approximate time when pigs were first domesticated in that region. This implies that the species Trichinella spiralis was introduced to the Americas from pigs. However, there is evidence that the early people of this world, hominid hunters, have consumed foodborne parasites by hunting wild game from millions of years before. Today, swine is governed on the ensuing transmission, and evolutionary diversification.
Microscopy will be performed on the patient to establish the type of malaria parasite and the number of these parasites in his/her blood sample. The blood sample can be extracted through a finger stab and then made into thick and thin films, and examined severally using a 100x oil immersion objective after staining them with Romanovsky stain (Warrell, Cox, & Firth, 2005, p. 734). By observation, the species of plasmodium can be seen and the number of them established
If you had a choice between a burger and a bowl of crickets, I think I would know which you choose to eat. As disturbing as this sounds, in the near future we may not have that choice. With our annual protein consumption rising, and Europe’s protein sources decreasing, coupled with a growing population, we may have only one alternative… Insects.