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Histamine
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Histamine A chemical present in cells throughout the body that is released during an allergic reaction and one of the substances responsible for the symptoms of inflammation.
RELATED TERMS--------------------------------------
Inflammation
A reaction to an injury to the body - by infection, chemicals or physical agents. The symptoms can be - depending on the location of the injury- redness, swelling, heat and pain. The purpose of the inflammation is to dilute and destroy the agent causing the inflammation. To do this, the immune system starts a cascade of actions that causes active cells to gather at the affected location. It is these cells and fluids that cause the redness, swelling, heat and pain.
SIMILAR TERMS--------------------------------------
Histafed
Histafed is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): pseudoephedrine hydrochloride; triprolidine hydrochloride.
Histalog
Histalog is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): betazole hydrochloride.
Histamine phosphate
Histamine phosphate is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): histamine phosphate.
Histiocyte
A large, phagocytic cell of the reticuloendothelial system; a macrophage.
Histiocytoma
A common neoplasm of young dogs composed of round histiocytic cells, thought to be Langerhan's cells. Most tumors spontaneously regress.
Histiocytosis-X
Includes eosinophilic granuloma, Hand-Schuller-Christian disease and Letterer-Siwe disease.
Histocompatibility
Literally, the ability of tissues to get along; in immunology, it means identity in all transplantation antigens. These antigens, in turn, are collectively referred to as histocompatibility antigens.
Histology
The study of the structure and behavior of cells and body tissues, usually involving microscopic examination of tissue slices.
Histoplasmose
Histoplasmose refers to a disease caused by Histoplasma Capsulatum .
Histoplasmosis
A fungal disease caused by inhaling the spores of Histoplasma capsulatum.
PREVIOUS AND NEXT TERMS--------------------------------------
Hernia
The part of an internal organ that pushes through an opening in the organ's wall.
Hiatal hernia
A small opening in the diaphragm that allows the upper part of the stomach to move up into the chest and causes heartburn from stomach acid flowing back up through the opening. See also diaphragm.
High blood pressure
Blood pressure that is above the normal range.
Hip
The region on each side of the pelvis made up of three sections: ilium, ischium, and pubis. The upper part of the femur (upper leg bone) fits into the hip via a ball-and-socket joint. The socket is a cup-shaped bone of the pelvis called the acetabulum and the ball is the head of the femur.
Hirschsprung's disease
A birth defect in which some nerve cells are lacking in the large intestine. See also megacolon.
Histamine
Hives
See urticaria.
Holter monitor
A portable ECG machine.
Hormone therapy
The use of hormones, medications, or surgery to suppress (block) or mimic hormones and alter the growth of hormone sensitive cancer.
Hospice
Literal meaning "a place of shelter." Today it refers to supportive care of a terminally ill patient.
Hormone replacement therapy (HRT)
Use of the female hormones estrogen and progestin (a synthetic form of progesterone) to replace those the body no longer produces after menopause.
RELATED TERMS--------------------------------------
Inflammation
A reaction to an injury to the body - by infection, chemicals or physical agents. The symptoms can be - depending on the location of the injury- redness, swelling, heat and pain. The purpose of the inflammation is to dilute and destroy the agent causing the inflammation. To do this, the immune system starts a cascade of actions that causes active cells to gather at the affected location. It is these cells and fluids that cause the redness, swelling, heat and pain.
SIMILAR TERMS--------------------------------------
Histafed
Histafed is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): pseudoephedrine hydrochloride; triprolidine hydrochloride.
Histalog
Histalog is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): betazole hydrochloride.
Histamine phosphate
Histamine phosphate is a prescription or over-the-counter drug which is (or once was) approved in the United States and possibly in other countries. Active ingredient(s): histamine phosphate.
Histiocyte
A large, phagocytic cell of the reticuloendothelial system; a macrophage.
Histiocytoma
A common neoplasm of young dogs composed of round histiocytic cells, thought to be Langerhan's cells. Most tumors spontaneously regress.
Histiocytosis-X
Includes eosinophilic granuloma, Hand-Schuller-Christian disease and Letterer-Siwe disease.
Histocompatibility
Literally, the ability of tissues to get along; in immunology, it means identity in all transplantation antigens. These antigens, in turn, are collectively referred to as histocompatibility antigens.
Histology
The study of the structure and behavior of cells and body tissues, usually involving microscopic examination of tissue slices.
Histoplasmose
Histoplasmose refers to a disease caused by Histoplasma Capsulatum .
Histoplasmosis
A fungal disease caused by inhaling the spores of Histoplasma capsulatum.
PREVIOUS AND NEXT TERMS--------------------------------------
Hernia
The part of an internal organ that pushes through an opening in the organ's wall.
Hiatal hernia
A small opening in the diaphragm that allows the upper part of the stomach to move up into the chest and causes heartburn from stomach acid flowing back up through the opening. See also diaphragm.
High blood pressure
Blood pressure that is above the normal range.
Hip
The region on each side of the pelvis made up of three sections: ilium, ischium, and pubis. The upper part of the femur (upper leg bone) fits into the hip via a ball-and-socket joint. The socket is a cup-shaped bone of the pelvis called the acetabulum and the ball is the head of the femur.
Hirschsprung's disease
A birth defect in which some nerve cells are lacking in the large intestine. See also megacolon.
Histamine
Hives
See urticaria.
Holter monitor
A portable ECG machine.
Hormone therapy
The use of hormones, medications, or surgery to suppress (block) or mimic hormones and alter the growth of hormone sensitive cancer.
Hospice
Literal meaning "a place of shelter." Today it refers to supportive care of a terminally ill patient.
Hormone replacement therapy (HRT)
Use of the female hormones estrogen and progestin (a synthetic form of progesterone) to replace those the body no longer produces after menopause.
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This dictionary contains 19186 terms.
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