Do you have a hernia repair scheduled? Are you wondering what surgical mesh is? This article will give tell you what mesh is, what problems may occur, and how to help the healing process.
The anesthesiologist monitors, and responds to, changes in your vital signs during your entire surgery. Heart rate, rhythm, blood pressure, oxygen level, breathing and other parameters give the anesthesiologist the information needed to keep you safe and comfortable during an anesthetic.
Human eye anatomy—a journey through the anatomy of the eye to understand how different structures in the eyeball work together to achieve vision.
This hub explains the differences between blood types A, B, AB, and O. Positive and negative properties of these types are also explained.
Lung volumes and capacities tend to vary with age, sex, ethnicity and built. Alterations in the lung volumes are used to diagnose obstructive and restrictive lung diseases.
Mother Natures uses colors in weird and wonderful ways. You can see this in the eyes of people with Heterochromia iridum, people with two different colored eyes.
For more than six decades in the Middle Ages a mysterious disease swept through England killing thousands.
Everyone know about the physical differences between mean and women. But why are they different anatomically? The answer lies just below our skin in our blood and other cells in the body.
Has there been enough research on this subject to make fact-based determinations or are we once again being led by unsupported claims and incomplete science?
Some sunscreens contain tiny nanoparticles that may be detrimental to health. English ivy produces nanoparticles that may make a safer sunscreen.
Air flow between the lungs and the environment occurs via a pressure gradient. This hub is on the changes in alveolar and pleural pressure changes in a breathing cycle and the resulting volume changes
The human skeleton has vital functions. It provides support and protection, allows us to move, makes blood cells, and stores fatty acids and minerals.
Having a surgical biopsy taken can be traumatic. Waiting for results adds to the stress. Here is a step by step description of how biopsy tissue is processed in the histopathology laboratory.
Neurons are highly specialized cells that transmit electrical and chemical signals to target cells. Their anatomy makes them extremely efficient at receiving and transmitting these signals.
Pigments play vital roles in our bodies. These pigments include melanin in the skin, rhodopsin, zeaxanthin, and lutein in the eyes, and hemoglobin in the blood.
Blood clotting or coagulation is a complex process that helps us survive when we're injured. Fibrin threads trap blood cells and stop blood loss.
Understanding the construction and general functions of the nervous system can assist in identifying the nervous system's role on human behavior.
If you're like most people, you have no idea what goes on behind closed doors of your local hospital laboratory. Find out from a Medical Lab Technologist how the labs work and what lab techs do.
What are the events of Metaphase? What are the events of Anaphase? How do you distinguish Telophase from Anaphase? What is Cytokinesis? This detailed hub looks at these questions and more. Includes a narrated video of the stages of mitosis
Antibiotic resistance is becoming a very serious problem. Phage therapy—treatment with viruses that attack bacteria—may be the solution.
Clostridium perfringens is a bacterium that can have big effects on humans. It's a common cause of foodborne illness and may cause multiple sclerosis.
ABO Blood System | What is the most common blood type? Find out the most common blood types in the ABO blood system.
The human muscular system is an organ system composed of skeletal muscles, smooth muscles, and cardiac muscles. Learn about them and what the most-used muscle in the body is.
Which company or agency will do the most to cure neuromuscular diseases, war injuries, and diabetes in the 2010s?
Breathing (inspiration and expiration) occurs in a cyclical manner due to the movements of the chest wall and the lungs. The resulting changes in pressure, causes changes in lung volumes.
The semicircular canals are located in the inner ear and are responsible for detecting motion and acceleration. Disorders of the vestibular system include Meniere's Disease and Benign Peroxysmal Positional Vertigo.
The developing world has a large number of people living with HIV/AIDS. Learn about the factors influencing the spread of HIV/AIDS in the developing countries, and see some ways to stop the epidemic.
The deadly nightshade plant, or belladonna, is extremely poisonous. It contains atropine, which is potentially dangerous but has important medical uses.
Influenza is one of the most commonly encountered deadly diseases. Due to its high survival rate, people tend to treat it as unimportant, thus aiding in its spread.
Science fiction as a discipline has told us for decades that we can make replacement parts for human beings. In the 2010s, we began to accomplish this by 3D printing biological materials.
Surface tension increases the tendency of the alveoli to collapse. Surfactant decreases the surface tension in the lungs and thus decrease the work of breathing, minimizes collapse and oedema.
Tiny microplastic particles are produced from plastic waste. The particles enter the human body in a variety of ways. Their effects on the body are unknown.
Bulk flow of air in between the environment and the lungs is an important respiratory function. Coordinated, active movements of the thorax and the diaphragm, result in inspiration and expiration.
When someone experiences a heart attack, cells in their heart die. Scientists have found two ways to replace the lost cells in rodents. The techniques may one day work in us.
In addition to serving the function of respiration, the respiratory system is involved in providing immunity, in olfaction, in phonation, as a reservoir and a filter for CVS and as a metabolic ground
The heterozygote advantage is shown in several genetic diseases: cystic fibrosis heterozygotes are resistant to cholera, thalassemia trait confers a benefit for coronary artery disease.
Broca's area, Wernicke's area, and the circle of Willis are important parts of the brain. They are named after the famous scientists who discovered them.
Students use different methods for retaining information. Know your learning style and maximize your potential. Includes an aromatherapy recipe to aid memory.
Can consciousness survive after death? A disturbing new study discovers brain activity in brains preserved in specimen jars.
Hydrochloric acid is made in the stomach and is a helpful chemical. However, too much or too little acid or acid in the wrong place can cause problems.
What is the rarest blood type? This is an important question since blood transfusion has become a big part of modern medicine.
This is part one of a two part article on Pressure Ulcers (also known as "bed sores"). It covers the cause and stages of the condition. Warning: Imagery may be disturbing.
The hull (or outerlayer) of a corn kernel is made up of mostly cellulose. Cellulose does not break apart easily when chewed and we humans don't have the enzyme to break it down.
Lung compliance is the ability of the lungs to expand. Elastance measures the work that has to be exerted by the muscles of inspiration to expand the lungs. Factors affecting these are discussed here.
Link between neurodegenerative diseases and cancer is being studied since more than a decade. Many factors are known common in pathways resulting in these diseases.
Several U.S. universities operate outdoor sites where human bodies are left to decompose naturally to aid forensic investigators.
Saliva is made by salivary glands and has important functions. The glands may sometimes develop stones. In Sjogren's syndrome, insufficient saliva is made.
The respiratory physiology is on the process of incorporation of oxygen in the environment for the utilization of energy from the organic compounds and for the elimination of carbon dioxide
After you die, your body has valuable uses for medical science -- from education to restoring health to cosmetic surgery. Who wants your corpse? And what will they do with it? You may be surprised!
Estrogen replacement therapy have been in use for the treatment of osteoporosis and menopause symptoms. Studies suggest the effectiveness of HRT in preventing dementia if used near the menopause.
Giardia is an interesting parasite that causes an unpleasant intestinal disorder called giardiasis. Understanding the parasite's features and behaviour may lead to better treatments for the disorder.
Some of us fall asleep quickly, some toss and turn before drifting off - but we all fall asleep sooner or later. Here's the science behind why we go to sleep.
The cornea is a resilient part of the eye's anatomy. It is also provides most of the eye's focusing power. This article discusses the structure of the cornea and how it maintains clear vision.
Researchers have found evidence linking the insulin resistance that develops in type 2 diabetes with an increased risk of Alzheimer's disease. The details need to be clarified, however.
This article is about how the inner ear helps to maintain the balance and equilibrium of the body. Read on to know in detail about how the inner ear helps to maintain balance and equilibrium.
Take a tour of Prokaryotes: The most numerous organisms on our planet. Complete with quizzes, videos, links and summary tables. Excellent for A-level and higher
Some people believe that NDE is proof of an afterlife. However, science provides alternate, and more plausible, explanations.
Few multiple choice questions on mechanical ventilation. Useful for medical, nursing, physiotherapy and respiratory therapy students.
Mucus has vital functions, such as trapping germs in air passages and protecting the stomach lining from an acid attack. Excess mucus can cause health problems.
You may have heard of many famous twins, long-lost twins, and Siamese twins, but none are quite like our Ronnie and Donnie Galyon.
Bone marrow is an essential tissue. It contains stem cells that produce all of our blood cells. Bone marrow transplants are used to treat some serious diseases.
This is part two of a two part article on Pressure Ulcers (also known as "bed sores"). It discusses treatment and prevention of the condition. Warning: some imagery may be disturbing.
When do babies’ eyes change color? Here you'll see some entertaining and informative answers to this question. You'll also see how babies gradually get to their genetically assigned eye color.
Glaucoma is a vision problem caused by damage to the optic nerve. The pressure in the eyeball is often increased, but the disease is not fully understood. Recent research may change this situation.
Vertebrates are a sub-phylum of animals that possess a spinal cord and backbone. But this doesn't mean that they all look the same. This hub looks at the five major vertebrate groups and what makes them unique.
Do you understand your blood results? Why do doctors need to know what's in your blood? Read this article to find out - in language you can understand.
Adrenaline or epinephrine is a hormone made by the adrenal gland. It plays an important role in the fight or flight response and in treating anaphylaxis.
Niagen is a precursor in the formation of NAD+ which has been linked to several beneficial effects, including reversing signs of aging.
At first glance, the names of the muscles of the human body looks difficult to learn. These names are derived from Latin. Muscles names can actually be used as a short cut to learn a muscle's location, shape and it's function.
Intraocular pressure is defined as the pressure inside the eye. It was what gives our eye their shape and keeps vital structures in the eye in place. But there are other things about the pressure in the eye that can actually cause problems.
Anatomy of the Knee involves different structures in the knee joint and how they connect to each other. Knee Anatomy can be subdivided into bones, cartilages, ligaments, tendons and muscles.
This is an example of a proposal for addressing a clinical issue. The topic is the use of wearable devices for reducing fall risks in geriatric patients.
Antibiotics were the wonder drug that could cure anything. Some bacteria have now become resistant to them, and so the hunt is on for an alternative way to defeat germs.
What are Beta Brain Waves? How can beta brainwave entrainment help you to become a more focused and motivated person in school and in your job and more
Fibronectin attaches cells to the extracellular matrix and controls their behavior. It also helps to stop bleeding and is used in a fetal fibronectin test.