Here is the gram staining procedure step-wise. Gram staining principle The gram staining technique is based on the variation in cell wall thickness. when a bacterial smear is mixed with a gram stain. Gram-positive bacteria retain crystal violet color due to their cell wall thickness. While iodine removes the violet stain on gram-negative bacteria (due … Read more
Hydatid cyst of the liver caused by the Cysticerci of a Cestode. Hydatid cyst caused by the Echinococcus granulosus. This disease is caused by cystic echinococcosis. Composite computer illustration showing Echinococcus granulosus hydatid cyst in the human liver and close-up view of larvae protoscolices inside hydatid cyst. E. granulosus is a parasitic tapeworm, also called … Read more
Here you will learn about the “Filariasis symptoms life cycle”.It is a nematode disease. In this disease, the Larva of microfilariae is the main source. Filarial worms are long and thin. It attacks the lymphatic system and subcutaneous connective tissue. Most nematodes produce microfilariae in the blood of the host. Filariasis has two main types … Read more
Black fever is caused by the Leishmania species. It is also called Indian fever. This fever has many names as KALA AZAR, black fever, black fly fever, and visceral leishmaniasis. It is mostly found in India and Sudan. Black fever symptoms (Kala-azar ) Kala-azar has the following symptoms. Fever weightloss fatigue Rapid pulse rate Black … Read more
mucocutaneous leishmaniasis is a cutaneous disease caused by the flagellate protozoan called the Leishmania Tropica complex. It is transmitted by the sandfly of the genus PHLEBOTOMUS. mucocutaneous leishmaniasis caused by Female Sandfly genus phlebotomus is the causative agent of leishmania cutaneous. This sandfly is the definitive host. Human is the intermediate host. Cutaneous leishmaniasis has … Read more
The analysis of CSF fluid (Cerebrospinal Fluid) is important for the diagnosis of certain cerebral diseases. It is filled in a cavity around the brain. CSF contains all essential nutrients for cell growth. Thus it nourishes the neuron of the CNS (Central nervous system). Cerebrospinal fluid (CSF) synthesise Cerebrospinal Fluid is synthesized by the Choroid … Read more
Here’s the difference between antiseptic and disinfectants in table from. Antiseptics Disinfectant Definition Substances applied to living tissues or skin Substances used on inanimate objects or surfaces Purpose Prevent or inhibit the growth of microorganisms Kill or eliminate microorganisms Application Used on skin, mucous membranes, or external body parts Used on surfaces, instruments, equipment, and … Read more
5 most common autoimmune disease Here is the list of 5 fatal autoimmune diseases. Multiple sclerosis (MS) Type 1 diabetes mellitus. Guillain-Barré syndrome Rheumatoid arthritis The systemic lupus erythematosus (lupus) Inflammatory … Read more
The principle of autoclave is very simple. First, we learn about what is autoclave ?. Its definition is, it is a machine in a clinical laboratory that is used for the sterilization process. It (Autoclave) generates steam above100 C temperature. There are three types of autoclaves. In the autoclave, steam passes through a cooler load … Read more
There are different types of culture media in the microbiology laboratory. These culture media are used for the growth of bacteria. Different bacteria need different conditions of growth. Some bacteria need aerobic conditions for their growth, while some grow under aerobic conditions. Different types of culture media in microbiology The microbiology laboratory has SEVEN types … Read more