INTRODUCTION TO FIXATION Fixation is a process by which the constituents of the cells and thereby tissues, are fixed in a physical and partly chemical state, so that they are able to withstand subsequent treatment with various chemicals, with minimum
INTRODUCTION TO HUMAN IMMUNODEFICIENCY VIRUS (HIV) ⇒ HIV, the Human Immunodeficiency Virus is the causative agent of AIDS, the Acquired Immune Deficiency Syndrome. ⇒ This syndrome was first observed in 1981 & isolated in 1983. ⇒ HIV is the member
INTRODUCTION TO HEPATITIS B VIRUS (HBV) ⇒ HBV was first observed in 1965 & named as Australia antigen. Later, in 1968, it was found to be associated with serum hepatitis & the name has been changed to Hepatitis B Virus (HBV).