What is nasal mucus? The nasal cavity is lined with a thin lining known as the epithelium that has specialized cells which produce and secrete mucus. This nasal epithelium is not significantly different from epithelium lining the rest of the respiratory tract. Mucus is constantly produced to : trap dust particles and >> Read More ...
HIV/AIDS Cancers Infection with the human immunodeficiency virus (HIV) gradually diminishes the immune defenses. This is a result of the virus targeting a specific type of immune cell – the CD4+ T-lymphocyte. It opens up the body to a host of infections that affects various organs throughout the body. Some of these >> Read More ...
What is bladder fullness? Bladder fullness is a sensation that the bladder is filled to capacity and there is a need to urinate. This is also known as urinary or bladder urging. It is normal sensation that every person experiences as the bladder fills close to its maximum capacity. It serves as a signal that a person needs >> Read More ...
What is a heavy chest? A heavy chest is a common term to describe a feeling of heaviness in the chest often associated with difficulty breathing (dyspnea) or a tight or crushing sensation in the chest (chest pain). Two situations where this feeling occurs repeatedly is with asthma (lung) and angina pectoris (heart) but >> Read More ...
What is osteoarthritis? Osteoarthritis is a type of degenerative joint disease where the articular cartilage is eroded. It is the most common type of arthritis and is mainly seen in the elderly. Osteoarthritis or OA is commonly known as bone-on-bone arthritis but this term can apply to other types of joint disease where >> Read More ...
What is sporotrichosis? Sporotrichosis is an infection with a soil fungus. Unlike dermatophyte (skin fungus) infections such as tinea pedis (athlete’s foot), it is not limited to the outermost layers of the skin. Instead it can penetrate into the deeper tissue involving the joints, bones and rarely even the lungs. >> Read More ...
What is ankle pain? Ankle pain is any discomfort or soreness emanating from the ankle which may be related to the ankle structures or neighboring regions of the foot or lower leg. The most common causes of ankle pain are a sprained ankle, although there may be other causes such as a fracture, arthritis, or infection. Pain >> Read More ...
What is tinea nigra? Tinea nigra is a fungal infection that is mainly seen on the palms of the hands or soles of the feet causing a dark brown to black discoloration of the affected skin. The word tinea means a fungal infection and nigra means black. Tinea nigra is overall an uncommon fungal infection when compared to >> Read More ...
What is the medication for HIV/AIDS? The medication used to treat HIV/AIDS is known as antiretrovirals (ARVs). These drugs are not a cure for HIV infection and AIDS but helps suppress the virus for a period of time thereby allowing the immune system to recover to some extent. HIV (human immunodeficiency virus) infects a >> Read More ...
The hand is made up of numerous structures that control its various functions. Pain in any part, either the palm or back of the hand, can occur due to conditions affecting any of these structures and can lead to impairment of normal hand functions. Commonly, hand pain occurs due to injury, inflammation, infection, overuse, >> Read More ...