Nausea is an uncomfortable sensation of an urge to vomit. It is the sensation that the stomach wants to empty itself. Nausea may or may not lead to vomiting. Vomiting is the actual act of forcible emptying of the stomach contents through the mouth. Retching or dry heaves is the act of vomiting where there […]
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Pure Red Cell Aplasia- Causes, Types, Investigations and Treatment
Pure Red Cell Aplasia (PRCA) is a rare disorder in which there is a failure of the bone marrow to produce precursors of red blood cells (RBCs or erythrocytes) resulting in anemia. Read more about Anemia- Causes, Symptoms, and Treatment Read more about Bone Marrow- Structure, Composition, and Functions The disorder may be acquired or […]
Breast Cancer Screening Test
Breast cancer screening means examining or testing women to identify cancers before any symptoms appear. The aim of screening is to detect cancer at an early stage when it can be treated or may be cured. Read more about Breast Cancer: Risk Factors, Classification, Diagnosis and Treatment Read more about Staging of Breast Cancer Read […]
Light Microscope: Parts, Usage, Handling, and Care
The light microscope is called so because it uses visible light to detect small objects. It is the most well-known and commonly used research tool in biology, as well as in routine clinical labs for diagnostic purposes. Because the light microscope is a delicate and expensive instrument, special care must be taken while using, cleaning […]
Shingles or Herpes Zoster – Causes, Symptoms and Treatment
Shingles or Herpes zoster is a viral disease that occurs with reactivation of the varicella-zoster virus (a virus that causes varicella or chickenpox). It is characterized by a painful skin rash which usually shows a dermatomal distribution. Pathophysiology of Herpes Zoster Varicella-zoster virus (VZV), is a double-stranded DNA virus. It is a herpes virus related […]
Allicin and Its Health Benefits
Allicin is a compound produced when you bite fresh garlic or crush it or cut it. Allicin is produced by enzymatic action on the precursor component alliin. Studies have found that Allicin has antibacterial, antifungal and antiviral properties, and has been found beneficial in a number of health conditions. Garlic contains a small amount of […]
Bone marrow – Structure, Composition and Functions
Bone marrow is soft, spongy, gelatinous tissue that fills the centers of bones known as medullary cavities. Bone marrow is highly vascular meaning that it is enriched with blood vessels and capillaries. Each day bone marrow produces hundreds of billions of new blood cells. Bone marrow takes over from the liver as the major hematopoietic organ […]
Aplastic Anemia – Classification, Treatment and Prognosis
Aplastic anemia is a rare hematological (blood) disorder in which the bone marrow is damaged resulting in failure to produce all the three major types of blood cells. Bone marrow is a sponge-like tissue inside the bones that makes stem cells that develop into red blood cells (RBCs), white blood cells (WBCs), and platelets. Read […]
DOTS Therapy and Its Use in Tuberculosis Treatment
DOTS Therapy for Tuberculosis DOTS therapy stands for directly observed treatment short-course therapy. It is a method of treatment of tubercular disease where the treatment is given according to the category of the patient and is directly supervised. It has been included in the national program in India and is carried out by various DOTS […]
Lactose Intolerance Types, Symptoms and Treatment
Lactose intolerance is a condition resulting from an inability to digest lactose (which is a carbohydrate present in milk and milk products). This results in gastric symptoms including abdominal pain, bloating, diarrhea, nausea, etc. Pathophysiology Lactose intolerance occurs due to decreased levels or absence of enzyme lactase in the body. Lactose (a disaccharide) can’t be directly absorbed through the […]