Structure of bones of the leg
By: Erich Rosenberger M.D.
The leg is an amazing structure. Together, your two legs work to hold you upright, allow you to run, walk, crawl, and generally get around. There are numerous muscles, veins, arteries, and nerves which all work together to allow movement. Supporting the leg are some...
Structure and route of the arteries of the lower limb
By: Erich Rosenberger M.D.
The lower limb is a technical name of what is commonly known as the "leg". Anatomists and doctors are very particular in naming structures in the body, thus they often having slightly different terms for common parts of the body. The leg has a complex...
Structure and route of the arteries of the upper limb
By: Erich Rosenberger M.D.
In technical anatomical terms, what is commonly known as the arm is really the "upper limb". Of course, everyone is intimately aware of their arms. We use them before we are even aware of what they are. Arms, and the hand at the end, are...
How the kidneys work
By: Alicia M Prater PhD
The kidneys maintain the pH, ion, and fluid balance of the blood. Humans usually have two of these bean-shaped organs in the abdominal cavity. To achieve their function, the kidneys are made of basic filtering units, called nephrons, intertwined with a web of blood vessels...
Common fractures in the elderly
By: Dr Pandula Siribaddana
When a person ages, there are certain structural changes that takes place in many organs of the body. Bones are one of the organs which see a significant change in its structural integrity with the losing of mineralization, proteins, as well as the micro structure...
Complications of femoral head and neck fractures
By: Dr Pandula Siribaddana
What is the anatomy of the hip region? Femoral head and neck has a unique arrangement and orientation and thus any disruption can lead to deformity, reduced mobility and related symptoms. When considering the anatomical formation, the relatively thin neck of the femur will link...
Structure and function of the autonomic nervous system
By: Tarek Musslimani
The autonomic nervous system is divided into two parts. These are: the sympathetic nervous system and the parasympathetic nervous system. The sympathetic nervous system originates in the spinal cord at the levels T1 to L3 where T stands for the thoracic region of the spinal...
Causes of birthmarks
By: Barbara Kasey Smith
Causes of birthmarks... *Don't believe old wives tales: Many old wives tales use to make a woman feel she did something she shouldn't have done if her newborn was born with a birthmark. Women don't believe anyone's tales about birthmarks because birthmarks cannot be prevented...
Interesting facts about the brain
By: Greg Goldmakher
Interesting facts about the brain The brain contains about 10 billion neurons, along with cells called glia, which support the neurons and help them do what they do. Each neuron consists of a cell body, a long tendril called an axon, which is the &ldquo...
The human sense of smell
By: Greg Goldmakher
How smell works Humans can distinguish about 10,000 different odors (for comparison, a dog or a rat can distinguish somewhere between 30,000 and 100,000). The details of how we do this were a mystery until the 1990s, and the people who figured...

 

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