English textbooks

Does this test have other names? Wound culture What is this test? This test looks for certain types of bacteria in a wound or a fluid sample from an infection site. These bacteria are called anaerobic because they don’t need…

What is an anal fissure? An anal fissure is a tear in the tissue of the anus. The anus is the last part of the digestive tract. It’s at the end of the rectum. It has a ring of muscle…

What is analgesic nephropathy? Analgesics are painkillers. Examples include: Aspirin Acetaminophen Ibuprofen Naproxen sodium Taking one or a mix of these medicines daily over a long time…

What is anaphylaxis in children? Anaphylaxis is a severe, life-threatening reaction to an allergen. An allergen is something that your child is allergic to. Anaphylaxis is a medical emergency. Your child can have a reaction to an allergen within seconds…

What is anaplasmosis? Anaplasmosis is an illness caused by bacteria that’s spread by ticks. The bacteria are called Anaplasma phagocytophilum. The illness causes fever, muscle aches, and other symptoms. It’s an uncommon illness that can affect people of all ages.…

What is an anastomotic leak after gastric bypass surgery? Gastric bypass is a type of weight-loss surgery. During the surgery, the top of the stomach is changed into a small pouch. A loop of your small intestine is cut, and…

What is stenosis after gastric bypass surgery? After gastric bypass surgery for weight loss, the new connection between the stomach pouch and the small intestine may narrow. This is called an anastomotic stenosis. It’s also known as a stricture. What causes stenosis after gastric…

Anatomical pathology is the study of organs and tissues to determine the causes and effects of particular diseases. Click on the links below to learn more about this topic. © 2000-2024 The StayWell Company, LLC. All rights reserved.…

Teeth start developing in the unborn baby. Good nutrition from the mother during pregnancy is important in tooth development. The mother’s diet should have adequate amounts of calcium, phosphorus, vitamin C, and vitamin D. Certain medicines (such as tetracycline) should…

Coronary arteries send blood to the heart muscle. All tissues in the body need oxygen-rich blood to function. The heart muscle also needs it. And oxygen-depleted blood must be carried away. The coronary arteries wrap around the outside of the heart.…

The heart’s electrical system In the simplest of terms, the heart is a pump made up of muscle tissue. The heart’s pumping action is controlled by an electrical conduction system that coordinates the contraction of the heart chambers. How does the heart beat?…

What are heart valves? The heart has 4 chambers, 2 upper chambers (atria) and 2 lower chambers (ventricles). Blood passes through a valve before leaving each chamber of the heart. The valves prevent the backward flow of blood. Valves are…