★ Free online encyclopedia. Did you know? page 287

Madhouse (book)

Madhouse: A Tragic Tale of Megalomania and Modern Medicine is a 2005 book by Andrew Scull which discusses the work of controversial psychiatrist Henry Cotton at Trenton State Hospital in New Jersey in the 1920s. Cotton thought that insanity was f ...

Asthma

Asthma is a disease that hurts the airways inside the lungs. It causes the tissue inside the airways to swell. Asthma also causes the bands of muscle around the airways to become narrow. This makes it hard for enough air to pass through and for t ...

Bronchiectasis

Bronchiectasis is an obstructive lung disease. It is caused by inflammation of the bronchi. It is sometimes said to be part of the group of diseases called chronic obstructive pulmonary disease. People with bronchiectasis have swollen bronchi.

Chronic obstructive pulmonary disease

Chronic obstructive pulmonary disease, also known as chronic obstructive lung disease, and chronic obstructive airway disease, is a collection of diseases which make breathing gradually more difficult. Symptoms of COPD include difficulty breathin ...

Emphysema

Emphysema is a disease of the lungs. It is one of the diseases that make up chronic obstructive pulmonary disease COPD. This is a set of diseases where the flow of air in the lungs is obstructed. Emphysema is most often caused by smoking but can ...

Pneumonia

Pneumonia is a disease of the lungs and the respiratory system. The lung contains many small bulbs, or sacs, called alveoli. These help to take out oxygen from the air. In the case of pneumonia, these bulbs become inflamed. They fill up with a fl ...

Pulmonary edema

Pulmonary edema is fluid in the lungs. Normally, the lungs fill with air when a person breathes in. From the alveoli in the lungs, oxygen goes into the blood. The blood then carries oxygen to the entire body. Every part of the body needs oxygen t ...

Pulmonary embolism

A pulmonary embolism is a clot of material that blocks blood from getting to the lungs. It is usually caused by a blood clot that starts somewhere else in the body and travels to the lungs. However, it can also be caused by clumped cancer cells, ...

Tuberculosis

Tuberculosis is an infectious disease caused by bacteria. In the past, people called it consumption. TB is caused by several types of mycobacteria, usually Mycobacterium tuberculosis. The disease usually attacks the lungs, but it can also affect ...

Gout

Gout is a very painful medical condition. It is a red, tender, hot, swollen joint. The attacks happen most often in the joint at the base of the big toe. It is caused by crystals getting deposited from the blood. This happens when the level of ur ...

Polymyalgia rheumatica

Polymyalgia rheumatica is a syndrome or condition. It causes pain in the joints and muscles of the upper body. Most people with PMR have pain during the morning. Sometimes the pain is in the late afternoon or evening. About 15% of people having P ...

Rheumatism

Rheumatism or Rheumatic disorder is a general term for medical problems that can hurt the heart, bones, joints, kidney, skin and lungs. The study of these problems is called rheumatology.

Carbohydrate

Carbohydrates are chemical compounds that contain only oxygen, hydrogen and carbon. They are made up of joined-up sugars. Sugars have the general formula C m n, and are also known as saccharides. Certain carbohydrates are an important storage and ...

Alcohol

This article is only about the chemistry of the alcohols. The alcohol used in drinks is ethanol, more information can be found at alcoholic drink and alcoholism. In chemistry, alcohol is a general term which refers to many organic compounds used ...

Polysaccharide

A polysaccharide is a complex carbohydrate. Polysaccharides are polymers made up of many monosaccharides. They are very large, often branched, molecules. They tend to be amorphous, insoluble in water, and have no sweet taste. When all the constit ...

Starch

Starch is a complex carbohydrate. It is made of many glucose units joined by chemical bonds. This polysaccharide is produced by most green plants as an energy store. It is the most common carbohydrate in human diets. Pasta, potatoes, bread, and o ...

Fat

Fat is one of the three main types of nutrient. Fats are found in many foods.They are made of macromolecules called lipids. Lipids are based on long-chain fatty acids. Some of these are essential because the body cannot make them.

Triacylglyceride

A triacylglyceride is a type of fat or oil. Triacylglycerides are the main energy source in the body. They are stored in fat tissue called adipose tissue. Body fat in humans and animals and vegetable oil contain triglycerides. Triglycerides are f ...

Vitamin

A "vitamin" is also a pill that contains vitamins, eaten regularly to keep one healthy. A vitamin is a chemical compound that is needed in small amounts for the human body to work correctly. They include Vitamin A, many B vitamins, Vitamin C, Vit ...

B vitamins

The B vitamin complex are a group of 8 vitamins. They have an important job in the metabolism of cells. Each B vitamin is a cofactor for some key metabolic processes or it is a precursor needed to make one. Originally, people thought they were ju ...

Multivitamin

A multivitamin is any of a group of vitamins used often with minerals needed by the human body to function properly. Multivitamins are available as tablets, capsules, pastilles, powders, liquids, and injections. Besides injections, multivitamins ...

Riboflavin

Riboflavin is one of the B vitamins. The B and C vitamins are the vitamins that dissolve in water. A healthy persons gut can easily take riboflavin from food and pass it on to the blood for the body to use. The body needs the B vitamins to get en ...

Vitamin A

Vitamin A is a vitamin, a group of organic chemicals including retinal and several carotenoids. The human body does not make these chemicals, and must take them from food. Carrots and liver are both rich in vitamin A. Many parts of the body need ...

Vitamin B6

Vitamin B 6 is one of the vital chemical compounds which are got from foodstuffs. It is a group of chemically similar compounds which can be converted from one to another in the body. The vitamin B6 group are essential to over 100 enzymes. The en ...

Vitamin C

Vitamin C, also known as ascorbic acid, is a vitamin. It is found in fresh fruits, berries and vegetables. It is one of the water-soluble vitamins. Vitamin C is important in wound healing. Without enough vitamin C, a person can get a sickness cal ...

Vitamin D

Vitamin D is a steroid hormone, which is made in the body under the right conditions. However, if the body does not make enough, it can also be obtained from food sources. Vitamin D is not a vitamin. It can be taken from animals in its normal for ...

Greenhouse gas

A greenhouse gas is a gas which reflects radiation that the Earth emits, and stops it from being lost into space. This makes the Earth hotter than it would be without greenhouse gases. This is called the "greenhouse effect". Most greenhouse gases ...

Carbon tetrachloride

Carbon tetrachloride, also known as carbon tet or Freon 10, is a chemical compound. Its chemical formula is CCl 4. It contains carbon in its +4 oxidation state and chloride ions.

Methane

Methane is an organic compound with the chemical formula CH 4. It is an alkane with one carbon atom. It is often found as the main part of natural gas. Methane is a greenhouse gas 23 times more effective than carbon dioxide. It is also less stabl ...

Sulfur hexafluoride

Sulfur hexafluoride, also known as sulfur fluoride, is a chemical compound. Its chemical formula is SF 6. It contains sulfur in its +6 oxidation state. It also contains fluoride ions. BBC News says "Its the most powerful greenhouse gas known to h ...

Disease

A disease or medical condition is an unhealthy state where something bad happens to the body or mind. Diseases can cause pain, parts of the body to stop working the right way, or death. The word disease is sometimes used to include: Medical probl ...

Alzheimers disease

Alzheimers Disease is a brain disease that slowly destroys brain cells. As of now, there is no cure for Alzheimers disease. With time, the different symptoms of the disease become more marked. Many people die because of Alzheimers disease. The di ...

Anal fissure

An anal fissure, or fissura ani, is a fissure in the anal canal. Patients typically complain of sharp anal pain during and after defecation, lasting minuters or hours. This small wound can sometimes bleed a little bit during or after defecation. ...

Beriberi

Beriberi is a disease of the nervous system caused by a person not getting enough thiamine in the diet. Thiamine is needed to break down food such as glucose. It is also found on the membranes of neurons. Symptoms of beriberi include severe letha ...

Bursitis

Bursitis is a painful condition. Small sacs called bursae get inflamed. Bursae are pockets between your muscles and your bones. Your bursa help you move without pain. In bursitis, the inflammation is often caused by extra fluid in the bursae. The ...

Coeliac disease

Coeliac disease is an autoimmune disorder in people when the indigestion of Gluten leads to problems in the body. If someone with coeliac disease eats something with gluten, cells inside the body attack the lining of the intestine. This means tha ...

Crohns disease

Crohns disease is a disease that causes the intestines to become swollen. It is a type of inflammatory bowel disease. The intestines may also develop ulcers. People with Crohns disease often have pain in the stomach, diarrhea, vomiting, and weigh ...

Goitre

A goitre or goiter, also called a bronchocele, is a swelling in the neck. It happens when the thyroid gland gets larger.

Haemophilia

Haemophilia is a blood condition that means bleeding does not stop. The bleeding occurs because the blood does not clot. People with hemophilia lack proteins in the blood that make scabs and blood clots. A person with a small cut or internal blee ...

Huntingtons disease

Huntingtons disease is a genetic disorder. It affects the brain and gets worse over time. This can lead to problems with moving, memory loss as well as thinking skills. Lastly, it also causes changes in behavior. Chorea is one of the main symptom ...

Incubation period

An incubation period is the time it takes between the day a person is infected with a pathogen, and the day that the person starts having symptoms of the disease. For example, if a person is infected with the common cold, it usually takes about o ...

Marasmus

Marasmus is a form of malnutrition. It happens in people who do not get enough food. A healthy person gets energy from eating food, especially foods with protein and fat in them. Because a person with marasmus is not getting enough food, they do ...

Mesenteric ischemia

Mesenteric ischemia is a medical condition. It happens when not enough blood gets to the small intestine. This causes inflammation and can harm the small intestine. Mesenteric ischemia happens mostly to the elderly older people. Mesenteric ischem ...

Motor neurone disease

Motor neurone disease is a chronic, progressive, almost always fatal neurological disease. These are the nerve cells which move muscles when we speak, walk, swallow, and move our body. These diseases get worse with time. They cause increasing dis ...

Parkinsons disease

Parkinsons disease is a disease that slowly damages the central nervous system. The central nervous system is made up of the brain and spine. When a person gets Parkinsons disease, the cells that make dopamine in a part of the brain die. Dopamine ...

Rickets

Rickets is a disease that happens in young children. It happens in children who do not get enough vitamin D and calcium. It causes larger spaces inside bones, and makes them dry, like sponges. It can make the legs curve toward each other or away ...

Scurvy

Scurvy is a disease. It is caused by not eating enough vitamin C. But scurvy can be prevented. It has many symptoms. People who have scurvy get spots on their skin, especially on their legs. Their teeth may loosen and / or fall out. They may blee ...

Sepsis

Sepsis is a very dangerous disease that occurs when an infection goes wrong. Normally the immune system of the body is able to fight the germs and overcome the infection, but in sepsis something goes wrong. The pathogen was at some point able to ...

Sickle-cell disease

Sickle cell anaemia is a genetic disease. It affects red blood cells. It changes the cells from flexible disks into rigid crescents. When many red cells take this shape veins get blocked. This can cause damage to many organs. The organ damage inc ...

Spinal muscular atrophy

Spinal muscular atrophy is a serious genetic disease that causes nerves and muscles to stop working. Babies affected by SMA often get weak and might die after their lungs fail. Adults who develop the disease gradually lose the ability to move the ...

Encyclopedic dictionary

Translation
Free and no ads
no need to download or install

Pino - logical board game which is based on tactics and strategy. In general this is a remix of chess, checkers and corners. The game develops imagination, concentration, teaches how to solve tasks, plan their own actions and of course to think logically. It does not matter how much pieces you have, the main thing is how they are placement!

online intellectual game →