The lymphatic system works to drain out excess tissue fluid, filter out debris, neutralize any pathogens and return the fluid to the bloodstream. In this way the lymphatic system is closely related to both the immune system and vascular system. The main structures in the lymphatic system are the lymph channels and lymph >> Read More ...
What is arthritis? Arthritis is the term for inflammation of the joint. It is usually characterized by pain and stiffness of the joint. While arthritis is more frequently seen in the elderly and often associated with wear and tear on the joint, it can also afflict young people and even children. The two more common types >> Read More ...
Alcohol (ethanol / ethyl alcohol) is a widely use and commonly abused substance throughout the world. Intoxication, misuse and dependence on alcohol is not a new social ill and mankind has a history with alcohol spanning thousands of years. Consumption of alcohol in limited quantities is known to produce a sense of >> Read More ...
The tailbone (coccyx) is the terminal part of the vertebral column – the collection of bones (vertebrae) that surround the spinal cord. It is referred to as the tailbone because of its appearance and since in the adult it is just a remnant of the actual tail-like protrusion in early fetal life (caudal eminence). >> Read More ...
Sacrum Anatomy The sacrum is a single wedge-shaped bone formed by the fusion of five sacral vertebrae. In childhood, the sacral vertebrae are separated by intervertebral discs in much the same manner as the upper parts of the spinal column. However, around the age of 20 these vertebrae start to fuse by ossification of the >> Read More ...
Human bones are hard and rigid structures that develop during life as cartilaginous tissue in fetal life is gradually replaced with bone tissue. Eventually this tissue undergoes calcification which makes it hard and strong. Throughout life the bone is undergoing remodeling due to the action of bone cells like osteoblasts >> Read More ...
There is often a misconception that bone is a calcified mass that is ‘dead’ and lacks sensation. However, bone is very much a living part of the body which is constantly undergoing remodeling. It is covered by a fibrous sheath known as periosteum which is rich in blood vessels and nerves. Some of these nerves >> Read More ...
Bones are important structures of the body that plays a role in protecting the soft tissue and serves as a lever for muscles. The human skeletal system is made up of 206 bones in the adult. These bones can be categorized as part of the axial skeleton or appendicular skeleton. The bones of the axial skeleton include the >> Read More ...
What is sexual health? According to the World Health Organization, sexual health is a state of physical, mental and social well-being in relation to sexuality. It requires a positive and respectful approach to sexuality and sexual relationships, as well as the possibility of having pleasurable and safe sexual experiences, >> Read More ...
What is Erectile Dysfunction? Erectile dysfunction (ED), or impotence, is any difficulty or inability to attain an erection or maintain it for a period of time that allows for sexual activity. The term is often used quite cautiously by men but accounts for varying degrees of disturbances with the penile erection. It is >> Read More ...