Addison’s disease is characterized by adrenal insufficiency, especially hyposecretion of glucocorticoids. The disease is named to honor Thomas Addison, an English physician and scientist who described this disease.
Category Archives: Medical topics
Plasma Protein-Rapid Revision
Plasma is blood from which formed elements of blood (red blood corpuscles (RBC), White blood corpuscles WBC)and platelets, i.e.thrombocytes) are removed.
Normal amount: 6.4 gm -8.3 gm per decilitre of blood.
Renal Clearance Formula and Its Importance
The renal clearance value of a given substance is the volume of plasma in milliliter wholly cleared of that given substance in one minute by the kidneys; it is expressed as ml per minute( ml/minute).
Clearance compares the amount of substance removed from the plasma per unit time for permanent with the amount of substance excreted in the urine permanent per minute. Plasma concentration rather than whole blood consideration is used to calculate renal clearance.
Cortical and juxtamedullary nephrons.
In each kidney, 1 to 1.5 million nephrons are present. However, they are tiny, only 45 to 65 mm in length.
There are two types of nephrons
- Cortical nephrons, and
- Juxta -medullary nephrons
Understanding Bowman’s Capsule and Glomerulus Structure
The glomerular basement membrane is the main component of the glomerular filtration barrier and responsible for ultrafiltration by the renal corpuscles. The glomerular basement membrane provides barrier by two methods:
- Size barrier, and 2. Charge selective barrier.
Differences between hormones and enzymes
Hormones and Enzymes are important for the normal functioning of the human body. They are different from each other.
Parathyroid Gland: Structure and Role Explained
Parathyroid gland essential for life. It is a highly vascular and tiny gland measuring about 6 mm in length 3 mm in width and 2 mm in thickness its weight is only 120 mg it is present along with the thyroid gland.
Purpura| Clotting| Bleeding Time
Purpura: is a clinical condition in which there is a tendency of spontaneous bleeding, usually beneath the skin, mucous membrane, and internal organs. In this condition bleeding time is prolonged (average is 2 to 6 minutes.), but clotting time is average (standard is five to10 minutes).
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Atmospheric Pressure
What is atmospheric pressure?|Effects of high pressure on human body| The atmosphere exerts pressure on the human body. This is known as atmospheric pressure. At sea level, it is 760 mm. of mercury which is called 1 (one) atmospheric pressure. Table of contents: 1. Definition 2. Composition of air 3. The partial pressure of gasesContinue reading “Atmospheric Pressure”
