What is Atrophy? Atrophy is a decrease in size of a part of a body. This can affect an organ, tissue or cell. Atrophy may be attributed to a decrease in size of individual cells or a reduced number of cells in the affected organ or tissue. Atrophy is usually acquired, meaning it is the result of a disease (pathological >> Read More ...
What Is Cocaine? Cocaine is a powerful and addictive brain stimulant. It is a popular recreational drug, but illegal in US and most other countries. Naturally appearing cocaine is an alkaloid benzoylmethylecgonine, extracted from the leaves of a coca plant, mostly raised in South American countries Bolivia, Columbia and >> Read More ...
Sitting is a common posture which we assume while working. It does not take much energy and gives a comfortable platform for performance of several activities. The human body has specifically developed fat pads called buttocks, which provide a cushion to the bones during this posture. The ability to sit on our buttocks >> Read More ...
KristalTT Asked : Over the past few weeks, I have been feeling a pain on the front of my chest just at the bottom of the left side of my rib cage. It almost feels like a hard ball or knot which is like protruding into the top of my abdomen area. I can feel partly feel this ball at the top of my abdomen and if I dig my >> Read More ...
Duodenum of the Small Intestine The duodenum is the first part of the small intestine that leads from the outlet of the stomach. It is about 12 inches (30 centimeters) long and curves into a C-shape. The end of the duodenum is then continuous with the second part of the small intestine known as the jejunum. Lying in such >> Read More ...
Herpes Zoster Facts Herpes zoster is caused by the chickenpox virus (varicella zoster). The varicella zoster virus is a type of herpes simplex virus (HSV) but is not the same as the herpes simplex virus that causes genital herpes. Herpes zoster is not a virus but a syndrome that arises with reactivation of the varicella >> Read More ...
What is Kaposi sarcoma? Kaposi sarcoma (KS) is a type of cancer of the lymphatic vessels and blood vessels which is seen mostly on the skin. Less commonly it may also occur in other tissue like that of the mouth, other parts of the gut and even the lungs. Kaposi sarcoma is a rare cancer but has become more common in recent >> Read More ...
Vitamin A Toxicity Definition Vitamin A toxicity, also known as hypervitaminosis A, is a state arising from excessive vitamin A in the body. Normally, sufficient quantities of vitamin A can be acquired from a balanced diet. No additional supplementation is necessary. Consuming large amounts of foods containing vitamin A is >> Read More ...
What is pseudogout? Pseudogout is a joint condition where calcium pyrophosphate dihydrate crystals are deposited in and around the joints. It is known as pseudogout because it is similar to the more common crystal-induced arthritis known as gout, where urate crystals accumulate in the joints. Comparatively, pseudogout is >> Read More ...
What is a prolactinoma? A prolactinoma is a tumor that secretes prolactin, the hormone that is responsible for stimulating milk production. Normally prolactin is secreted in controlled amounts by the pituitary gland, the master gland that sits at the base of the brain and controls most other glands in the body. A >> Read More ...
