Parasites

As Orwell intends to campaign for beggars not to be shunned by society, this is shown in his use of imagery. He first states the general perception of beggars. For example, he uses a simile to draw comparisons between beggars and other derogatory terms in ‘a race apart – outcasts, like criminals and prostitutes’. His use of ‘outcasts’ draws out the idea that the beggars formed the fringe of society similar to ‘criminals’ and ‘prostitutes’. He further emphasises this when they are described as ‘a…

and they were forced to leave the only land they knew. The Bubonic Plague was a serious illness that caused many people to lose their lives. The plague was perceived as a bacteria, but now we know that the plague is an intracellular parasite. The parasite is referred to as Yersinia…

As the skin is constantly exposed to the environment, it represents a common portal of entry for different parasites. Infestations with parasites can cause systemic diseases in humans, but often result in cutaneous lesions which are on the rise in dermatology clinical practice due to the increase of travel and immigration. Despite the considerable burden parasitic skin infestations can cause, their significance has often been neglected by the health-care providers and scientific community alike…

of the serious environmental issues countries need to deal with. These are all threatening our nature and life. I like the way Serres uses “Parasite” to describe human beings. “ The parasite would destroy the host without realizing it. Neither use nor exchange has value in its eyes, for it appropriates things---one could say that it steals them… The parasite is always abusive”. Serres guides us to reflect on the pernicious impacts we have done…

Photosynthesis, in essence, gives life to plants and plants give life to, us, humans. However, have you ever wondered how the first plant came to be? Through the process of an unlikely symbiotic union of an alga cell, a cyanobacterium, and a bacterial parasite and unfavorable environments, the first plant was born. Although scientists do not know why such a union occurred, they believe it might have to do with the theory of adaptation to one’s environment. Adaptation tends to occur when a living…

Introduction Parasitic helminth infections are an important burden to global public health, causing great morbidity in humans and livestock. Estimates claim that up to a quarter of the world´s population is affected by soil-transmitted helminths (1), although the incidences are mainly restricted to developing countries, due to poor sanitation resources and health care. Considering these facilities are relatively modern, it is likely that until the 19th century all human beings were infected…

Angiostrongylus vasorum is a type of parasite worm that affect the lung and tracheas of dogs causing a numbers of health complication which can result in death. Slug and snails are the carrier of lungworm larvae. Infection can occur by ingestion of gastropod and also by transmission of larvae through the faces or saliva of the infected dog. Symptoms of Lungworm The symptom of lungworm infection depend on the variety of factors such as specific type of parasite your dog has been…

There are many examples of symbiotic relationships in Disney’s The Lion King. A symbiotic relationship is the interaction between two species living closely together. Mutualism, commensalism, and parasitism are the three main categories of symbiotic relationships. These relationships are important in maintaining a stable ecosystem because they are similar to cause and effect. Both parties in the symbiotic relationship play a key role, and one of them missing from the equation would mean…

What Causes Chronic Nose Itch? A few years ago, when I was still living down in North Carolina, I worked as a part-time cashier at a grocery store. One day, a customer came into my line and whispered, “You just touched your nose. Could you use some hand sanitizer before touching my groceries?” Or, something to that effect. I was mortified. First off, my nose itch is chronic and constant. It’s embarrassing, but there’s nothing I can do about it. Second of all, I didn’t pick my nose, I scratched…

donovani, the vector for the Kala azar disease, could have possibly killed of the dinosaurs. Studies have shown that Leishmania donovani, carried by the sand fly, dates back to historical flies. If a dinosaur was to be bitten by a sand fly carrying the parasite Leishmania donovani, they could have possibly died from Kala azar…