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Inferior vena cava
Inferior vena cava The large blood vessel (vein) that returns blood from the legs and abdomen to the heart.
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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.
Abdomen
The area between the chest and the hips. Contains the stomach, small intestine, large intestine, liver, gallbladder, pancreas, and spleen.
Heart
The hollow, muscular organ responsible for pumping blood through the circulatory system.
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Infection
Anything that invades the body and reproduces. Infections can be bacteria, protozoa, fungi, or viruses. Bacteria and fungi are one celled creatures that cause many infections including strep throat, bladder infections, and some lung infections. Fungi cause “athlete’s foot” and thrush, an infection in the mouth. Protozoa are small organisms with many cells that can cause infections in the guts or in the lungs. Most healthy people do not get protozoal infections, but people with suppressed immune systems can. Viruses are not really organisms; they are tiny particles that can live only inside another cell. They reproduce by taking over a cell and causing that cell to make more virus particles, rather than doing what the cell is supposed to do. Viruses cause most colds and flu cases.
Infectious disease
Disease caused by microbes that can be passed to or among humans. It occurs when cells or molecules in a person's body stop working properly, causing symptoms of illness. Many things can make someone more susceptible to disease, including altered genes, chemicals, aging, and infections.
Infectious Disease Team
A team of physicians and nurses who help control the hospital environment to protect you against harmful sources of infection.
Infed
Infed 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): iron dextran.
Infergen
Infergen 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): interferon alfacon-1.
Inferior
The anatomical term for "below". i.e. the neck is inferior to the head. Typically used in humans only. See Cranial/Caudal/Superior.
Inferior temporal cortex (IT)
Participates mainly in the acts of noticing and remembering an object's qualities. Cells do not have a retinotopic organization. Very large receptive fields. Virtually every cell's receptive field includes the foveal region. Receives input from V4. Some cells show a preferential response to such stimuli as hands or faces.
Infertility
The diminished or absent ability to conceive or produce an offspring while sterility is the complete inability to conceive or produce an offspring.
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Immunosuppresive medications
Medications that suppress the body's immune system, used to minimize rejection of transplanted organs.
Impedance plethysmography
A test to evaluate blood flow through the leg.
In vitro
Procedure done in test tube.
In vivo
Procedure that uses trace amounts of radiopharmaceutical that are given directly to a patient; majority of nuclear medicine procedures are in vivo.
Incidence
Statistic that equals the number of new cases of a particular disease that occur in a population during a defined period of time, usually one year.
Inferior vena cava
Inflammatory bowel disease (IBD)
Long-lasting problems that cause irritation and ulcers in the GI tract - The most common disorders are ulcerative colitis and Crohn's disease.
Infusion therapy
The introduction of fluid other than blood into a vein. (Also called intravenous therapy.)
Inotropic medications
Medications that increase strength of the contractions in the heart.
Internist
An advanced student or graduate in medicine gaining supervised practical experience.
Intestinal flora
The bacteria, yeasts, and fungi that grow normally in the intestines.
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