Introduction of Dengue Fever Dengue fever is a mosquito (Aedes aegypti)-borne viral disease. It is a major health threat in the tropical and sub-tropical territories of the world, particularly in urban and semi-urban areas. Approximately 50-100 million individuals have been infected with dengue annually (WHO data) and more than 100 countries are at risk of dengue transmission. The following activities are responsible for contributing to fertile breeding areas for the mosquito (Dengue vector)-fast unplanned urbanization and...
Introduction of H&E Staining H&E Staining stands for Hematoxylin and Eosin Staining. It is one of the principal tissue stains used in histopathology to find out cancer from a suspected biopsy. The stain was first introduced by A. Wissowzky in 1876. The cell nuclei are stained blue and the cytoplasm and extracellular matrix are stained pink Principle of H&E Staining H&E staining is the principal stain applied for the demonstration of the nucleus and the cytoplasmic inclusions. Harri’s...
Introduction of Pap Test The Pap test is also known as Pap stain or Pap Smear. Pap stain was named after the three letters of the surname of developer George Papanicolaou in 1942 and was routinely used for cytological stain. It is the most common staining of the cellular components in the smear of exfoliated cells, vaginal, cervical, prostate secretion, pleural fluid, spinal fluid, etc. A Pap smear is the standard method for cytological examination of...