Function and importance of the thyroid gland
By: Alicia M Prater PhD
The thyroid gland is a butterfly shaped gland in the throat (see a picture). The thyroid uses the mineral iodine to produce hormones that are involved in the regulation of a number of physiological processes, including metabolism and calcium balance. The importance of a properly...
Overview of types of cells in the nervous system
By: Alicia M Prater PhD
The nervous system contains two types of cells: neurons and neuroglia. Neurons are the basic nerve cell, specialized to carry electrical signals to and from the brain. Neuroglia are the support cells of the nervous system, supporting neuron function. Some subtype of each cell type...
Anatomy of the female reproductive system
By: Nancy Seddens
The female reproductive system has an intricately complex interplay of hormones which makes the continuation of our species possible, yet it is simple and straightforward in its design. Like men, women have both internal and external parts to their reproductive system; however, unlike men, females...
By: Norman Green
Bones are like any other part of the human body, they can be affected by disease. Human bone diseases may be hereditary, caused by infection, caused by a chemical imbalance in the body, or may be a form of cancer. There are also a number...
By: Srikanth Radhakrishna
A chromosome is found in the nucleus of the human cell, the building block of the human body. It contains a linear thread of DNA (deoxyribonucleic acid) and associated proteins. A chromosome carries the genes and plays a major role in transmitting hereditary information. Human...
Interesting facts about human muscles
By: Mark Standland
Muscles are one of the most important parts of the body as these are responsible for creating movement and force. As the result of muscles being hidden beneath the skin most people have a limited knowledge of how muscles work, let alone what they look...
The evolution of the mammalian digestive system
By: Richard Chipchase
The major function of any creature’s digestive system is to provide nutrients to the body tissue. This will involve the ingestion of a food type, chewing, swallowing, secretion of enzymes, acids and bile, absorption and getting rid of any waste products. When mammals emerged...
Human anatomy: An overview of bones
By: Norman Green
A defining aspect of human anatomy is the skeleton and the bones of which it is made up. They are often only thought of as the inert ‘scaffolding’ on which humans are made, supporting muscles and protecting the brain and internal organs. However, bones...
Human bone diseases
By: Mark G Weller
The Human Skeleton The human skeleton consists of many fused and individual bones. It serves as the framework, which anchors muscles, and protects organs such as the brain, heart and lungs. The biggest bone in the body is the femur in the thigh and the...
By: Dr. Bryan Katz
Von Hippel-Lindau disease (VHL) is a relatively rare genetic disorder, affecting an estimated 10,000 people in the U.S. The inheritance pattern of VHL is autosomal dominant. This means that anyone born with the disease gene has a 50% chance of passing it on...

 

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