Essays on Commensal

Endogenous opportunist Candida parapsilosis

The baby boy, Tim was prematurely born that means he had weakened immune system when he got an ear infection. During the investigation of ear infection course, it was found that baby Tim received fungal infection that may have entered the neonate during the IV insertions while earlier treatments. The gram stained blood cultures have exhibited that the pathogen was Candida parapsilosis which is an endogenous commensal flora. The further tests including CHROM-agar showed a white colony consisting of pseudohyphae confirming the presence of Candida parapsilosis. It lives on the healthy human skin. Moreover, this commensal flora is an ...

Organization:

The human body is home to a variety of organisms ranging from the minute bacteria to eukaryotic mites. Demodex folliculorum is a small arthropod that lives in human hair follicles and sebaceous glands. D. folliculorum and the closely related D. brevis live in a commensal relationship on humans and are harmless in the normal course of events. Demodex was first discovered by Henle in 1841 and described by Simon Akbulatova in 1842. The existence of the mite in cadavers was established by Stcherbatchoff in 1903 and later by Gmeiner in 1908. Riechers and Kopf in 1969 showed that maximum ...

Part #1

“Guidelines for Treatment of Candidiasis” “Mucosal biofilms of Candida albicans” “Thrush and breastfeeding” Distinction among Candida species The five species from Candida genera that possess specific medical significance include Candida albicans, C tropicalis, C. galbrata, C. krusei and C. parapsilosis. Candida albicans is widely present in human host as a commensal agent that may be exogenous or endogenous and mostly lives on the skin and the human mucosae of mouth, intestinal tract, and female genital tract. Other environmental places such as surfaces of plants, soil, and water are also its habitat. The prevalence of C. krusei in candidiasis is ...

Mirna Salim

Introduction Cats have been living with us for thousands of years. As opposed to other domestic animals like cows and sheep that provide as with food and other raw materials, it has never been clear the main reason why human domesticated cats. Some schools of thought believe that cat was domesticated to help human eradicate rodents which were destroying crops. However, others believe that cats were domesticated just to be pets, to keep human company. This research will not major in the reason as to why cat was domesticated, but rather will focus on the origin of the domesticated ...