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Anatomy and Function of the Heart Valves Click Image to Enlarge What are heart valves? The heart consists of four chambers, two atria (upper chambers) and two ventricles (lower chambers). Blood passes through a valve before leaving each chamber of the heart. The valves prevent the backward flow of blood. Valves are actually flaps (leaflets) that act as one-way inlets for blood coming into a ventricle and one-way outlets for blood leaving a ventricle. Normal valves have three flaps (leaflets), except the...

Anatomy and Function of the Liver Anatomy of the liver: The liver is located in the upper right-hand portion of the abdominal cavity, beneath the diaphragm and on top of the stomach, right kidney, and intestines. The liver, a dark reddish-brown organ that weighs about 3 pounds, has multiple functions. Click Image to Enlarge There are two distinct sources that supply blood to the liver: Oxygenated blood flows in from the hepatic artery. Nutrient-rich blood flows in from the hepatic portal vein. The liver...

Bone Marrow To learn more about the intricate process of bone marrow transplantation, it is important to first learn about the blood and its components. Listed in the directory below you will find additional information regarding the anatomy of blood and bone marrow transplantation, for which we have provided a brief overview. Overview of Blood and Blood Components Bone Marrow Transplantation

Bone Marrow Transplantation in Children What is a bone marrow transplantation? Bone marrow transplantation (BMT) is a special therapy for patients with certain cancers or other diseases. A bone marrow transplant involves taking cells that are normally found in the bone marrow (stem cells), filtering those cells, and giving them back either to the patient they were taken from or to another person. The goal of BMT is to transfuse healthy bone marrow cells into a person after his or her own unhealthy bone ...

Chronic Illness and Transplantation Issues and the Adolescent Adolescence, alone, is a stressful developmental process even for physically healthy teens. Chronic illness occurring during adolescence further complicates adolescent development. The chronic disorder, treatment requirements, hospitalization, and surgery (when necessary) all intensify concerns about physical appearance, interfere with the process of gaining independence, and disrupt changing relationships with parents and friends. Also, adol...

Glossary - Transplantation | A | | B | | C | | D | | E | | F | | G | | H | | I | | J | | K | | L | | M | | N | | O | | P | | Q | | R | | S | | T | | U | | V | | W | | X | | Y | | Z | A [back to top] ablation - elimination or removal. Ablation also refers to a procedure that eliminates extra electrical pathways within the heart that cause fast or irregular heart rhythms. ACE (angiotensin-converting enzyme) inhibitor - A medication that opens up blood vessels, making it easier for the heart to pump blood ...

Topic Index Bone Marrow The Heart The Kidneys The Liver The Lungs Chronic Illness and Transplantation Issues and the Adolescent Glossary The first successful adult human kidney transplant was performed in 1954. Over the past 50 years, many successful organ transplants have occurred. Transplants now involve every major organ. Transplantation of various organs, tissues, and cells (such as kidneys, hearts, lungs, livers, bone marrow, and others) are now possible in children. Survival is steadily increasing...

Kidney Transplantation What is a kidney transplant? A kidney transplant is a surgical procedure performed to replace a diseased kidney with a healthy kidney from another person. The kidney may come from a deceased organ donor or from a living donor. Family members or individuals who are unrelated but make a good match may be able to donate one of their kidneys. This type of transplant is called a living transplant. Individuals who donate a kidney can live healthy lives with the remaining kidney. A perso...

Online Resources - Transplantation This Web was compiled from a variety of sources including the online resources listed below, but is not intended to substitute or replace the professional medical advice you receive from your child's physician. The content provided here is for informational purposes only, and was not designed to diagnose or treat a health problem or disease. Please consult your child's physician with any questions or concerns you may have regarding your condition. This page contains li...

Pain Control Will my child be in pain after surgery? After surgery, there may be physical causes of pain, but the sensation of pain also depends on complex mental and emotional factors. Determining the level of pain that your child has can be very challenging. The surgical team may use a scale of 0 to 10 or illustrations of faces to help your child describe pain. The physicians caring for your child can determine what is usual discomfort for a certain operation and give the prescribed medication; howeve...

The Heart To learn more about the intricate process of heart transplantation, it is important to first learn about the heart and its components. Listed in the directory below you will find additional information regarding the anatomy of the heart and heart transplantation, for which we have provided a brief overview. About the Heart and Blood Vessels Anatomy and Function of the Heart Valves Anatomy and Function of the Electrical System Heart Transplantation

The Kidneys To learn more about the intricate process of kidney transplantation, it is important to first learn about the kidneys and their components. Listed in the directory below you will find additional information regarding the anatomy of the urinary system and kidney transplantation, for which we have provided a brief overview. Anatomy and Function of the Urinary System Kidney Transplantation

The Liver To learn more about the intricate process of liver transplantation, it is important to first learn about the liver and its components. Listed in the directory below you will find additional information regarding the anatomy of the liver and liver transplantation, for which we have provided a brief overview. Anatomy and Function of the Liver Liver Transplantation

The Lungs To learn more about the intricate process of lung transplantation, it is important to first learn about the lungs and their components. Listed in the directory below you will find additional information regarding the anatomy of the lung and lung transplantation, for which we have provided a brief overview. Anatomy and Function of the Respiratory System Lung Transplantation

Topic Index - Transplantation Transplantation Home Bone Marrow Overview of Blood and Blood Components Bone Marrow Transplantation The Heart About the Heart and Blood Vessels Anatomy and Function of the Heart Valves Anatomy and Function of the Electrical System Heart Transplantation The Kidneys Anatomy and Function of the Urinary System Kidney Transplantation The Liver Anatomy and Function of the Liver Liver Transplantation The Lungs Anatomy and Function of the Respiratory System Lung Transplantation Chr...

Lung Transplantation What is a lung transplant? A lung transplant is a surgical procedure performed to remove one or both diseased lungs from a patient and replace it with a healthy one from another person. The majority of lungs that are transplanted come from deceased organ donors. This type of transplant is called a cadaveric transplant. Healthy, non-smoking adults who make a good match may be able to donate a part (a lobe) of one of their lungs. This type of transplant is called a living transplant. ...

Liver Transplantation in Children What is a liver transplant? A liver transplant is a surgical procedure performed to replace a diseased liver with a healthy liver from another person. The liver may come from a deceased (cadaveric) organ donor or from a living donor. Family members or individuals who are unrelated but make a good match may be able to donate a portion of their liver. This type of transplant is called a living transplant (living donor). Individuals who donate a portion of their liver can ...

Heart Transplantation What is a heart transplant? A heart transplant is an operation performed to replace a diseased heart with a healthy one from another person. Why is a heart transplant recommended? A heart transplant is recommended for children who have serious heart dysfunction and will not be able to live without having the heart replaced. Some of the illnesses that affect the heart in this way include complex congenital (present at birth) heart disease and cardiomyopathy (disease of the heart mus...