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Parasitology

Parasitology is a branch of biology that specializes in studying parasites, their hosts and the relationship between parasites and hosts.

398 Questions

How do you count parasite eggs in stool?

Parasite eggs in stool can be counted by using a method called fecal flotation. In this technique, a small sample of stool is mixed with a solution that helps the eggs float to the top, making them easier to see under a microscope. The eggs can then be counted and identified based on their size, shape, and other characteristics.

Are parasites vertabrates?

No, parasites can be both invertebrates and vertebrates. Some examples of vertebrate parasites include tapeworms and lice, while examples of invertebrate parasites include ticks and fleas.

Is a dust mite a parasite?

No, they are opportunistic feeders taking advantage of the dead skin cells we and our pets shed daily that accumulates in household dust. In effect they are actually helping to cleanup after us.

Can you get parasites from pickled herring?

Pickled herring is generally safe to eat and unlikely to contain parasites. The pickling process typically involves preserving the fish in a solution of vinegar, salt, and sugar, which helps kill any potential parasites. It is important to ensure that the herring has been properly prepared and stored to avoid any risk of contamination.

How long can a parasite go undetected in a human?

The duration that a parasite can go undetected in a human can vary depending on the type of parasite, the individual's immune response, and the presence of symptoms. Some parasites can remain undetected for years, while others may cause symptoms sooner. Regular medical check-ups and appropriate screening can help detect parasites early.

Are parasites in people contagious to other people?

Parasites in people can be contagious to others if proper hygiene and sanitation measures are not practiced. Parasites can be transmitted through direct contact, contaminated food or water, and close physical contact. It is important to seek medical treatment and follow preventive measures to avoid spreading parasites to others.

What does a parasite live off of?

Parasites live off of living organisms. They include things such as lice, fleas, and fungus.

Saprophytes, on the other hand, live off of decaying matter, and would include fly larvae (maggots).

Can Boric Acid be used on human skin to kill parasites?

Boric acid should not be used on human skin to kill parasites. It can be irritating and harmful to the skin and may not be effective in treating parasites. It's best to consult a healthcare professional for appropriate treatment options.

What is the biggest parasite?

The largest known parasite is the human being. There are people who live parasitically off others and groups who live parasitically off their environment. An argument has been made that the human race lives parasitically off of the earth. If this is true, then the human race is the largest known parasite in the known universe. []

What are parasite and sopraphytes?

Parasites are organisms that live on or inside a host organism and obtain nutrients at the host's expense. Saprophytes are organisms that feed on dead or decaying organic matter. Both play important roles in nutrient cycling and ecosystem functioning.

What is a parasite hook?

A parasite hook is a specialized structure found in certain parasites that allows them to attach to and feed off their hosts. These hooks help the parasites secure themselves in the host's tissues and obtain nutrients for survival and reproduction.

Organisms called parasites are?

Organisms that live in or on another organism (host) and benefit from the relationship at the expense of the host. Parasites can cause harm or disease to the host while gaining nutrients or protection for themselves. Examples include tapeworms, fleas, and ticks.

How many dead skin cells do mites eat a day?

Dust mites do not actually eat dead skin cells but rather feed on the flakes of skin shed by humans and animals, consuming approximately 1/3 of their body weight in skin flakes daily.

What are organisms feeding on parasites called?

from what i know about parasites(which is very little), they use their host's food as a food source. I'm guessing that the organism in question is the host to the parasite.

Also, parasites like tapeworm are beneficial to humans because they can stop bowel cancer!

What is the protozoic parasites transmitted by sand fly bites?

Just seen this explanation via http://www.petcity.gr/pages/index.php?page=article_temp.php⟨=en&petID=1&artID=84

... Leishmaniasis, also known as Kala-azar disease, is a protozoic infection that infects cells related to blood cells and attacks the immune system.

The parasite is called Leishmaniae

Do parasites live in the whole body?

No, people in modern industrialized nations almost never have any parasites in their body due to public hygiene practices (e.g. sewage treatment plants, sterile feeds for farm animals, insect controls).

However people in third world countries almost always have hundreds or thousands of parasites of dozens of different species in their bodies.

What do you call the habitat of a parasite?

The habitat of a parasite is called a host. The host provides the environment for the parasite to live, feed, and reproduce.

What are the Scope and limitations of microbiology and parasitology?

Microbiology focuses on the study of microorganisms, such as bacteria, viruses, fungi, and protozoa. Its scope includes understanding their structure, function, behavior, and impact on human health and the environment. However, microbiology has limitations in studying larger organisms and complex host-microbe interactions.

Parasitology specifically deals with the study of parasites, their life cycles, interactions with hosts, and the diseases they cause. Its scope includes identifying, diagnosing, and treating parasitic infections. Limitations of parasitology may involve challenges in studying certain parasites due to their complex life cycles or limited treatment options for some parasitic diseases.

What are white dust like parasites seen only in dark with flashlight?

The white dust-like parasites that are visible in the dark with a flashlight are likely springtails. Springtails are small, wingless insects that thrive in dark, damp environments. They are mostly harmless and can be found in various indoor and outdoor habitats, such as soil, leaf litter, and decaying matter.

What do parasites in stools look like?

Parasites in stools may look like small white or off-white worms or segments, resembling grains of rice or sesame seeds. They may also appear as small black or red specks. If you suspect you have parasites, it's important to consult a healthcare provider for proper diagnosis and treatment.

Describe the developmental stages of the malarial parasite during sporogamy and schizogony?

Sporogony
  • The Anopheles mosquito ingests malarial parasites when it feeds on an infected human. In the mosquito's stomach, the parasites move to the gut wall, where they reproduce asexually through the process of sporogony, and produce an oocyst, or spore. These oocysts eventually burst, releasing sporozoites that travel through the mosquito's body to its salivary glands, and finally to its central salivary duct.

Sporozoites
  • When a carrier mosquito drinks human blood, the malarial sporozoites travel through its saliva to the host's blood stream, and quickly make their way to the liver's functional cells. The parasites can also infect red blood cells, causing fever, anemia and -- in some cases -- death.

Schizogony
  • Schizogony is a form of asexual reproduction in which the multiple fission of sporozoites produces merozoites that can reproduce sexually or asexually. This process often begins as soon as the parasites enter their vertebrate host. For example, Plasmodium falciparum and P. malariae begin reproducing immediately. However, P. ovale and P. vivax may delay reproduction, by forming hypnozoites that remain dormant in the liver cells. P. vivax hypnozoites can have a dormancy of up to 10 months, whereas P. falciparum and P. malariae do not create hypnozoites at all.

Merozoites
  • Pre-erythrocytic schizogony occurs in the host's liver cells before the parasite invades red blood cells (erythrocytes). During this phase, each sporozoite produces multiple merozoites, which consist of a single nucleus encased in a narrow cytoplasmic ring. Each P. ovale sporozoite produces 15,000 merozoites. P. vivax produces 10,000, P. falciparum produces 40,000 and P. malariae produces 2,000. Merozoites typically invade red blood cells within two minutes of life.

What are pests and parasites?

a pest is somthing an ant infestation that comes around every so often which is a pest.

a parasite is somthing that is normally found attached to or inside an animal or human and can cause many problems.

What is acellular obligatory parasite?

An acellular obligatory parasite is a type of parasite that lacks cellular structure and relies on a host cell's machinery for survival and reproduction. Examples include viruses, viroids, and prions. These parasites cannot replicate or carry out metabolic functions independent of a host cell.

How many parasites does it take a kill a person?

The number of parasites needed to kill a person can vary depending on the type of parasite, the person's health status, and other factors. In severe cases, even a single parasite can be fatal, while in other cases, it may take a large infestation to cause death. It is important to seek medical attention if you suspect you have a parasitic infection.

What is parasitology and the branches of it?

Parasitology is the study of parasites and their relationships with their hosts. Its branches include medical parasitology, which focuses on parasites that cause human diseases, veterinary parasitology, which studies parasites that affect animals, and ecological parasitology, which looks at the interactions between parasites and their hosts in natural ecosystems.