What is insulin? Insulin is a hormone secreted from beta cells of the pancreas. It helps to control the blood glucose levels preventing hyperglycemia (high glucose levels) which can damage the cells. In diabetes mellitus (sugar diabetes), there may be a lack of or deficiency of insulin thereby leading to abnormal >> Read More ...
What is a locked jaw? Locked jaw is a broad term to describe any dysfunction with the nerves, muscles and jaw joints that hampers opening or closing of the mouth. The term lockjaw refers to tetanus of the jaw muscles which means that the muscles are in spasm (tightly contracted). It therefore prevents opening of the mouth >> Read More ...
What is thigh pain? Thigh pain is any discomfort, soreness or pain in the area lying between the pelvis and knee. In most instances it is due to muscle and tendon pain, but can be associated with any disease or disorder of the ligaments, bone, joints, blood vessels or nerves in the thigh. Sometimes the problem may >> Read More ...
The human clavicle, also known as the collarbone, is a short bone that connects the upper limbs (arms) to the trunk. It can be easily felt under the skin lying above the first rib and in thin people it can also be clearly seen. The clavicle is a strong and resilient bone that has to bear the weight of the upper limb and >> Read More ...
What is alcohol poisoning? Alcohol poisoning is a serious problem that can occur with drinking excessive amounts of alcoholic beverages in a short period of time. The quantity of the alcohol consumed and its byproducts after being metabolized may be toxic to the body. It can therefore result in several systems in the body >> Read More ...
What is the clavicle? The human clavicle or collarbone is a short bone that lies on the front of the chest (thoracic) wall. It plays an important role in connecting the upper limb to the trunk of the body. The clavicle is also the most frequently fractured bone of the upper body especially since it lies superficially.. >> Read More ...
Facial Symmetry The human face is roughly symmetrical meaning that the vertical half on one side closely matches the other side. It most people it is not a mirror image but very similar. When there is a marked difference between one side of the face compared to the other then it is known as asymmetry. The size and shape of >> Read More ...
HIV and AIDS in the Human Body HIV (human immunodeficiency virus) infection gradually destroys the parts of the immune system and it eventually reaches a point where the immune system can no longer adequately protect the body. Eventually a state is reached known as AIDS. which stands for acquired immune deficiency >> Read More ...
Normal Urge to Defecate The need to have a bowel movement is first marked by an urging. This sensation compels a person to find suitable toilet facilities so that defecation can occur. There are a number of reasons why this sensation occurs including : Stretching of the wall of the colon as waste and water accumulates in >> Read More ...
The joints experience a significant amount of stress and strain throughout life. From bearing the body weight to endlessly moving in daily activity, joints are prone to a range of injuries and diseases as is the case with any part of the body. Joint pain is known as arthralgia and may affect any joint in the body. It can >> Read More ...