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| This glossary contains: 19186 medical terms |
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Hemorrhage
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Hemorrhage A general term for loss of blood, often profuse, brought about by injury to the blood vessels or by a deficiency of certain necessary blood elements such as platelets.
RELATED TERMS--------------------------------------
Blood
The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.
Injury
Injury is damage or harm caused to the structure or function of the body caused by an outside agent or force, which may be physical or chemical.
Platelets
Cells found in the blood.
SIMILAR TERMS--------------------------------------
Hemochromatosis
A disorder due to the deposition of hemosiderin in the parenchymal cells, causing tissue damage and dysfunction of the liver, pancreas, heart, and pituitary. Full development of the disease in women is restricted by menstruation, pregnancy, and lower dietary intake of iron. Acquired hemochromatosis may be the result of blood transfusions, excessive dietary iron, or secondary to other disease. Idiopathic or genetic hemochromatosis is an autosomal recessive disorder of metabolism associated with a gene tightly linked to the A locus of the HLA complex on chromosome 6.
Hemodialysis
A mechanical method of cleaning the blood for people who have kidney disease. See also: Dialysis.
Hemodynamic
Relating to the physical aspects of the blood circulation.
Hemoglobin
Hemoglobin is a substance contained within the red blood cells and is responsible for their color. It has the unique property of combining reversibly with oxygen and is the medium by which oxygen is transported within the body. It takes up oxygen as blood passes through the lungs and releases it as blood passes through the tissues.
Hemolysis
The destruction of red blood cells.
Hemolytic disease of the newborn
Also called Rh disease or erythroblastosis, hemolytic disease results when a woman who is Rh-negative (meaning she does not carry the Rh protein in her blood) has a fetus who is Rh-positive and her immune system makes antibodies against the fetus's blood. The disorder is treated with a compound that prevents the woman's immune system from making antibodies.
Hemolytic Uremic Syndrome
Hemolytic anemia and thrombocytopenia occurring with acute renal failure.
Hemophilia
A genetic blood disorder, almost always in males, in which blood does not clot properly as a result of an enzyme deficiency.
Hemopoietic
Pertaining to or related to the formation of blood cells.
Hemoptysis
A cough that produces blood.
Hemorrhaging
Heavy bleeding. A cerebral hemorrhage can lead to a stroke.
Hemorrhoid
Caused by increased blood volume and pressure from the uterus on the veinsin the legs and pelvis, these swollen blood vessels in the anus are commonduring pregnancy. Constipation can also cause (or compound) the problem.
Hemorrhoidectomy
An operation to remove hemorrhoids.
Hemorrhoids
Enlarged veins protruding into the anorectal area, either internal or externally visible. They are either the result of poor sphincter tone and portal congestion, or sphincter hypertonicity, skeletal muscle and adrenergic excess.
Hemostasis
Arrest of blood circulation.
PREVIOUS AND NEXT TERMS--------------------------------------
Hemorrhage
Hemoglobin
Hemoglobin is a substance contained within the red blood cells and is responsible for their color. It has the unique property of combining reversibly with oxygen and is the medium by which oxygen is transported within the body. It takes up oxygen as blood passes through the lungs and releases it as blood passes through the tissues.
Hormone
A chemical substance formed in the body that is carried in the bloodstream to affect another part of the body; an example is thyroid hormone, produced by the thyroid gland in the neck, which affects growth, temperature regulation, metabolic rate, and other body functions.
Hepatitis
Inflammation of the liver. Hepatitis can be caused by viruses, bacteria, alcohol, toxic chemicals, and certain drugs. Symptoms include jaundice (yellowish skin caused by the buildup of bile pigments in the body), fever, appetite loss and gastrointestinal upset.
Haploid
A single set of chromosomes (half the full set of genetic material), present in the egg and sperm cells of animals and in the egg and pollen cells of plants. Human beings have 23 chromosomes in their reproductive cells.
Hermaphrodite
An individual with both male and female genitalia.
RELATED TERMS--------------------------------------
Blood
The life-maintaining fluid which is made up of plasma, red blood cells (erythrocytes), white blood cells (leukocytes), and platelets; blood circulates through the body's heart, arteries, veins, and capillaries; it carries away waste matter and carbon dioxide, and brings nourishment, electrolytes, hormones, vitamins, antibodies, heat, and oxygen to the tissues.
Injury
Injury is damage or harm caused to the structure or function of the body caused by an outside agent or force, which may be physical or chemical.
Platelets
Cells found in the blood.
SIMILAR TERMS--------------------------------------
Hemochromatosis
A disorder due to the deposition of hemosiderin in the parenchymal cells, causing tissue damage and dysfunction of the liver, pancreas, heart, and pituitary. Full development of the disease in women is restricted by menstruation, pregnancy, and lower dietary intake of iron. Acquired hemochromatosis may be the result of blood transfusions, excessive dietary iron, or secondary to other disease. Idiopathic or genetic hemochromatosis is an autosomal recessive disorder of metabolism associated with a gene tightly linked to the A locus of the HLA complex on chromosome 6.
Hemodialysis
A mechanical method of cleaning the blood for people who have kidney disease. See also: Dialysis.
Hemodynamic
Relating to the physical aspects of the blood circulation.
Hemoglobin
Hemoglobin is a substance contained within the red blood cells and is responsible for their color. It has the unique property of combining reversibly with oxygen and is the medium by which oxygen is transported within the body. It takes up oxygen as blood passes through the lungs and releases it as blood passes through the tissues.
Hemolysis
The destruction of red blood cells.
Hemolytic disease of the newborn
Also called Rh disease or erythroblastosis, hemolytic disease results when a woman who is Rh-negative (meaning she does not carry the Rh protein in her blood) has a fetus who is Rh-positive and her immune system makes antibodies against the fetus's blood. The disorder is treated with a compound that prevents the woman's immune system from making antibodies.
Hemolytic Uremic Syndrome
Hemolytic anemia and thrombocytopenia occurring with acute renal failure.
Hemophilia
A genetic blood disorder, almost always in males, in which blood does not clot properly as a result of an enzyme deficiency.
Hemopoietic
Pertaining to or related to the formation of blood cells.
Hemoptysis
A cough that produces blood.
Hemorrhaging
Heavy bleeding. A cerebral hemorrhage can lead to a stroke.
Hemorrhoid
Caused by increased blood volume and pressure from the uterus on the veinsin the legs and pelvis, these swollen blood vessels in the anus are commonduring pregnancy. Constipation can also cause (or compound) the problem.
Hemorrhoidectomy
An operation to remove hemorrhoids.
Hemorrhoids
Enlarged veins protruding into the anorectal area, either internal or externally visible. They are either the result of poor sphincter tone and portal congestion, or sphincter hypertonicity, skeletal muscle and adrenergic excess.
Hemostasis
Arrest of blood circulation.
PREVIOUS AND NEXT TERMS--------------------------------------
Hemorrhage
Hemoglobin
Hemoglobin is a substance contained within the red blood cells and is responsible for their color. It has the unique property of combining reversibly with oxygen and is the medium by which oxygen is transported within the body. It takes up oxygen as blood passes through the lungs and releases it as blood passes through the tissues.
Hormone
A chemical substance formed in the body that is carried in the bloodstream to affect another part of the body; an example is thyroid hormone, produced by the thyroid gland in the neck, which affects growth, temperature regulation, metabolic rate, and other body functions.
Hepatitis
Inflammation of the liver. Hepatitis can be caused by viruses, bacteria, alcohol, toxic chemicals, and certain drugs. Symptoms include jaundice (yellowish skin caused by the buildup of bile pigments in the body), fever, appetite loss and gastrointestinal upset.
Haploid
A single set of chromosomes (half the full set of genetic material), present in the egg and sperm cells of animals and in the egg and pollen cells of plants. Human beings have 23 chromosomes in their reproductive cells.
Hermaphrodite
An individual with both male and female genitalia.
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This dictionary contains 19186 terms.
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