When the heart valves function muscle contracts and relax, the valves open and close, allowing blood to enter the chambers and atria in alternating times. The following is a step-by-step description of how valves function normally in the left ventricle: After the left ventricle shrinks, t

Hemorrhoid (HEM-uh-roids), also called piles, are swollen veins in your anus and the lower rectum, similar to varicose veins. Hemorrhoids have a number of causes. They may result from straining during bowel movements. Hemorrhoids may be within the anus (external hemorrhoids).

The myelin sheath function is to protect and isolate these axons and improve their transmission of electrical impulses. If myelin is damaged, the transmission of these impulses is slowed down, which is observed in severe neurological conditions, such as multiple sclerosis. Read on more ab

The brain arteriovenous malformation (AVM brain) is a tangle of abnormal blood vessels that connect the arteries and veins in the brain. Arteries are responsible for getting oxygen-rich blood from the heart to the brain. The veins carry oxygen-free blood back to the lungs and heart. The A

White matter in brain disease is the consumption of tissue in the largest and deepest parts of the brain due to aging. This tissue contains millions of nerve fibers or axons that connect other parts of the brain and spinal cord and signal the nerves to talk to each other. A fat material c

You will want to take care of what you are feeding your Chihuahua. This breed is very sensitive to what they are fed, how often they eat and how dishes are offered to them. In fact, the food you choose for your Chihuahua for both meals and snacks will have a direct impact on your puppy's

Synapse neuron is basically electrical devices. There are many channels in the cell membrane (the boundary between the cell inside and outside) that allow the flow of positive or negative ions into and out of the cell. Usually, the inside of the cell i

 The thrombosed hemorrhoid is usually external hemorrhoids that have no blood flow due to a blood clot in the vein. Thrombosed hemorrhoid is not considered dangerous but can be quite painful. In most cases, the blood clot is eventually absorbed by the body, and the symptoms subside thems

Complications of brain stem stroke Striking the brain may result in a loss of sense of smell and taste. Other rare complications include coma and closed syndrome. The blocked syndrome is a condition in which your

what is metabolism and how does it work?  The brain uses up to 20% of the energy consumed by the human body, more than any other organ.  In humans, blood glucose is the main source of energy for most cells and is critical to normal function in many t

Anxiety is an emotion characterized by an unpleasant state of internal turmoil, which is often accompanied by nervous behaviors, such as going back and forth, somatic complaints and chewing.  This is a subjectively unpleasant feeling of fear of anticipated events, such as the feeling of

Sore throat may range from irritants to excruciating. You've probably had a sore throat a lot, so you know what to expect. Read on more about a sore throat and ear pain no fever.

Many things can cause a sore throat o

what is a benign tumor..  A tumor is an abnormal cell growth that does not serve any purpose. A benign tumor is not a malignant tumor which is cancer. It does not attack nearby tissues or spread to other parts of the body in the way it can get cancer.

Szyszynka is a small pea-shaped gland in the brain. Its function is not fully understood. Researchers know that it produces and regulates certain hormones, including melatonin.Melatonin is best known for its role in regulating sleep patterns. Sleep pat

Basal ganglia is a group of neurons located deep in the cerebral hemispheres of the brain. Basal ganglia consist of the body layer (the main group of testicular nuclei) and associated nuclei. The basal ganglia function are mainly involved in the processing of traffic-related information.

Thalamic stroke is a type of lumbar stroke that refers to a stroke in the deep part of the brain. Hill strokes occur in your thalamus, a small but important part of your brain. He participates in many key aspects of everyday life, including speech, memory, balance, motivation, and feeling

Bone pain in chest  also known as chest wall pain, bridge-shaft syndrome or chondrogeni

tid medical abbreviation means three times a day. It is an abbreviation of "ter in die" which in Latin means three times a day. Abbreviation t.i.d. is sometime

arthritis in hands natural remedies   (inflammation of one or more joints) is the main cause of hand pain. It can occur anywhere in the body but is especially common in the hands and wrist. There are over 100 different typ

The pain in left forearm consists of a radius and elbow bones, which extend the length of the forearm and intersect in the wrist joint. Localization means that the forearm is intrinsic to a series of everyday hand or hand movements. As a result, trauma

Your cardiovascular system consists of the heart and blood vessels. There are three types of blood vessels in the circulatory system: veins, capillaries, and arteries. Arteriovenous malformation defects (AVM) are defects in the blood vessels of the circulatory system. Read below for arte

 which part of the brain controls balance ..  The brain controls the ability to think, speak, feel, see, hear, remember, walk and many other things. It controls even your breath.

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Real anxiety disorders are permanent and unwanted companions. They disapprove of their victims with pessimistic thoughts and destructive physiological reactions, leaving paranoid victims and unhappy and desperate answers. major signs of anxiety in teens.  

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At the entrance to the stomach, there is a valve, which is a ring of muscles called the lower esophageal sphincter (LES). Usually LES closes as soon as food passes through them. If LES does not close completely or if it opens too often, the acid produced by your stomach may move to the es

The sebaceous glands are a tissue that releases oil in the skin of a mammal. When a piece of the epidermis is examined under a microscope, we see a hair follicle that pierces the surface of the skin to the subcutaneous layer. Inside there is a secretory sebaceous tissue. Waxy oil, which i

Many things can cause leg pain in kids. Too much physical activity or excessive use may cause muscle contraction (or horse Charley). Your child may get leg cramps because he does not consume a balanced diet that has enough potassium, calcium and other minerals. If your child does not drin

The nervous tissue function in the human brain is the most inspiring and fascinating organ in the human body. Every memory you have and every emotion you will ever experience is an extraordinary result of evolution. The nervous system is, in fact, the driving force of the brain, consisti