In this article we will discuss about the functions of alimentary tract, explained with the help of suitable diagrams. In most of the cases of foodborne illness we consider, the pathogenic (disease producing) effect occurs in the alimentary tract giving rise to symptoms such as diarrhoea and vomiting. Since these are essentially a dysfunction of the gut, a useful starting [...]
In this article we will discuss about the normal microflora of different parts of human body. Normal Microflora of the Skin: An average adult human is covered with approximately 2 m2 of skin. It has been estimated that this surface area supports about 1012 bacteria. The skin (Fig. 44.1) surface (epidermis) is not a favourable place for abundant microbial growth, [...]
Artificial kidney is a haemodialysis machine through which the toxic substances are removed from the blood of a person whose kidneys are completely damaged. Haemodialysis (Gr. haima = blood, dia = through, lyo = separate) is the process of diffusion across a semipermeable membrane to remove unÂwanted substances from the blood while adding desirable components. The pores in the membrane [...]