Trypanosomes are microscopic single-celled parasites, which are part of the Trypanosoma Genus, belonging to the Trypanosomatidae Class of the Kingdom Protista. Multiple species of this parasite exist, with different species infecting different vertebrates. Trypanosomes usually transmitted by insect vectors. Infection with this parasite is known as trypanosomiasis - this disease occurs mainly in Sub-Saharan Africa, where it is called Sleeping Sickness and in South and Central America, where it is
The Controversial Use of DDT in South Africa 1. Background information 1.1 What is malaria and how is it spread Malaria is a disease carried and spread by a female mosquito, Anopheles, and it is caused by a Plasmodium parasite, which is also carried by the Anopheles mosquito. These mosquitoes are mostly active and common between dusk and dawn. Once the mosquito bites a person, he/she becomes infected and the parasite travels through the bloodstream to get to the liver, where it attacks the red
Understanding midgut epithelial regeneration during Plasmodium ookinete invasion in adult female Anopheles mosquito Background: Malaria is caused by Plasmodium species and transmitted to humans by the bite of an infected female Anopheles mosquito. This infectious disease continues to be a tremendous public health burden, resulting in 627,000 deaths in 2012, causing substantial negative impact on the global socioeconomic development [1,2]. Prior to transmission of Plasmodium to the vertebrate host
I personally found Chapter 5 to be very fascianitng; I love learning about host manipulation. Organisms, regardless of size or other classifcations, aim to survive and reproduce. Organisms that cause diseases are no exception. These organisms will manipualte their host so that the disease spreads to new victims, helping the disease-causing organisms survive and reproduce. An example of host manipualtion is the interaction between humans and the Guine worm. Intially, a human drinks water contaminated
Cialis and Viagra Problems at work, family disorder, lack of confidence, nervousness, and irritation are often the reasons for sexual problem with men. This issue, in its turn, does not have the best effect on all areas of men’s lives, so they should not ignore a sexual aspect in any case. Now, there are many effective methods to strengthen the erection. The simplest and most productive of them is to take medicines to enhance sexual drive. Viagra and Cialis are two popular medicines geared to treat
1.5 Epidemiology, parasitology and biology of lymphatic filariasis: (Distribution, causal agent, Life cycle, transmission dynamics and Culex vector) 1.5.1 Geographic Distribution: The distribution of lymphatic filariasis is limited to the tropical and subtropical countries mainly in Africa, the Mediterranean area and South East Asia (WHO, 1998). It is also occurs in Western Pacific and West Indies Islands. 1.5.2 Adult worm: The creamy white, thread like adults of both sexes lie
Important tapeworm parasites of humans Zainab Waseem Tapeworms are the parasites in the gut of vertebrates or in derivatives of the gut, as in bile ducts of the liver or in intestinal caeca of birds. Although most species of cestods or tapeworms parasitize wild animals but few of infect humans and animals, therefore they are of specific interest. All the tapeworms that parasitize and infect humans belong to the orders of Pseudophyllidea and Cyclophyllidea. Tapeworm infection Tapeworm infection
The scallop industry is growing in North America with the aid of Japanese technology and recent grants to adapt aquaculture techniques to the waters off the Eastern coast of the United States. However, Árni Kristmundsson and Mark Andrew Freeman have discovered that the common whelk carries a parasite which is deadly when it infects scallops. Scallop aquaculturists will need to remain vigilant to the threat. Scallops: seafood with a shell A scallop is a type of saltwater clam or mollusk with a shell