What is bone TB? Tuberculosis (TB) is a well known infectious disease that mainly affects the lungs (pulmonary tuberculosis ~ lung TB). However, it can affect various other sites of the body and is then referred to as extrapulmonary TB. When it affects the bone, it is known as tuberculous osteomyelitis or simply bone >> Read More ...
What is lupus? Lupus is a common term to describe a group of autoimmune diseases more correctly known as lupus erythematosus. There are several distinct types of lupus which can be broadly divided into systemic, where the entire body is affected, or cutaneous, where it is restricted mostly to the skin. It may be further >> Read More ...
What is the stomach? The human stomach is a walled sac that is a part of the alimentary tract lying between the esophagus (food pipe) and duodenum (first part of the small intestine). It plays a central role in both mechanical and chemical digestion of food – the process of breaking down food into simpler compounds >> Read More ...
Vision Problems Definitions What is vision? Vision is the ability to perceive the surrounding environment by interpreting the images cast by light on the eye. This is possible through the visual apparatus the eyeball, optic nerve and brain. The eyeball is responsible for focusing a sharp image and converting the light into >> Read More ...
Effusion Definition Effusion is the term for accumulation of fluid in a body cavity particularly within the cranial cavity, in the middle ear, around the lungs, around the heart, in the abdomen (peritoneal cavity) and in the joint spaces. It is also referred to as fluid retention or water retention because most of the >> Read More ...
Arthrosis Definition Arthrosis has two definitions – one anatomical (part of the body) and one pathological (disease). Arthrosis is the term for any joint in the body(Greek ~arthros). A joint in turn is the point where two bones meet in a manner which allows for movement (articulation). The different types of joints >> Read More ...
Corneal transplantation, also known as corneal graft or keratoplasty, is usually done when there is loss of vision in one eye due to damage to the cornea as a result of disease or injury. The cornea is the transparent layer of tissue in front of the eye. When the cornea becomes cloudy, light cannot enter the eye >> Read More ...
Most of the abdominal organs are covered by a double layer sac known as the peritoneum. The visceral peritoneum adheres to the organs while the parietal peritoneum lines the inner wall of the abdomen. Between these two layers is a potential space known as the peritoneal cavity. A small amount of peritoneal fluid serves as >> Read More ...
What is asymptomatic bacteriuria? Asymptomatic bacteriuria (ABU) is the abnormally high number of bacteria in the urine without any symptoms associated with an urinary tract infection. Normally urine is sterile, meaning that there are no microbes in it, until it reaches the distal urethra. Here bacteria attached to the >> Read More ...
Tuberculosis is a disease caused by an infection with the Mycobacterium tuberculosis bacillus, a type of bacteria that can affect any part of the body but most commonly the lungs. It is one of the most common infectious diseases in the world today but most people have latent TB which is essentially a dormant infection and >> Read More ...
