Intrathecal
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  Intrathecal



Intrathecal

   Injection into the sub-arachnoid space of the meninges. Usually done by lumbar puncture.

RELATED TERMS
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Injection
Medication which is put into the body via a syringe and a needle.

Meninges
Membranes which surround and protect the brain and spinal cord; anatomically there are 3 meninges: the pia mater, which adheres to the brain and the spinal cord, the dura mater, which adheres to the bone and the arachnoid between these two membranes.

Lumbar
Having to do with the lower back, the loins.

Puncture
A wound produced by a pointed object.



SIMILAR TERMS
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Intra-aortic Balloon Pump Assist Device
The intra-aortic balloon pump is a machine that can help the pumping function of the heart. It is usually inserted through an artery in the groin area and threaded backwards into the descending thoracic aorta in the chest. In this location the balloon inflates and deflates in synchrony with the heart in order to aid the blood pumping function of the heart in patients with cardiac disease.

Intra-arterial
Injection into an artery (that may supply a tumor).

Intracardiac Tumor
An Intracardiac Tumor can be any tumor of the heart, either malignant or benign. The most common tumor of the heart is a benign atrial myxoma.

Intracellular
Within cells.

Intracerebral
Located within the cerebral hemispheres (cerebrum). See extracerebral.

Intracerebral haemorrhage
Haemorrhage within the brain.

Intracranial
Within the skull.

Intracutan test
Intracutan tests are used to diagnose allergies. A small amount of allergen extract is injected under the skin on your arm. If the area becomes itchy, reddish and swelling you may have an allergy.

Intracytoplasmic sperm injection
An assisted reproductive method in which a sperm is injected directly into an unfertilized egg with a microscopic needle; this procedure is used in cases of severe male factor infertility.

Intradermal
Within the skin.

Intradural
Beneath the dura mater.

Intralipid 10 per cent
Intralipid 10 per cent 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): soybean oil.

Intralipid 20 per cent
Intralipid 20 per cent 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): soybean oil.

Intralipid 30 per cent
Intralipid 30 per cent 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): soybean oil.

Intramuscular
Intra (within) muscular (muscle) techniques are ways to put medication into the body, by injecting it into a muscle. This is designed for drugs that need to be absorbed slowly. A classic example is a tetanus shot.

Intramuscular Injection
Putting a fluid into a muscle with a needle and syringe.

Intraoral camera
A smal video camera used to view and magnify oral conditions; images may be printed.

Intrapartal care
Care for a pregnant woman through labor.

Intraperitoneally
Inserting chemotherapy drugs directly into the abdominal cavity. Intraoperative photodynamic therapy is a new treatment that uses special drugs and light to kill cancer cells. Its use in the early states of mesothelioma in the chest is being studied. Judgement - an official court order deciding the rights or claims of the parties in a legal proceeding.

Intrapleurally
Inserting chemotherapy drugs directly into the chest cavity.

Intrarater reliability
The property of yielding equivalent results when used by the same rater on different occasions.

Intratumoral
Injection into a tumor (usually performed during surgery).

Intrauterine
Within the womb.

Intrauterine device
A small engineered piece of plastic or metal placed in a woman's uterus to prevent fertilization.

Intrauterine growth retardation
Slow growth of a fetus in the womb possibly resulting in a low birth weight baby.

Intrauterine insemination
Treatment for infertility in which semen is introduced into the uterus via a slim tube inserted through the vagina.

Intravascular
Inside a blood vessel.

Intravascular echocardiography
Echocardiography and cardiac catheterization.

Intravascular ultrasound (IVUS)
An invasive procedure, performed along with cardiac catheterization; a miniature sound probe (transducer) on the tip of a coronary catheter is threaded through the coronary arteries and, using high-frequency sound waves, produces detailed images of the interior walls of the arteries.

Intravenous
Introducing a fluid into the bloodstream through a vein (usually in the patient's forearm).

Intravenous (IV)
Delivery of drugs, fluids or food directly into a vein.

Intravenous Injection
Putting a fluid into a vein with a needle and syringe.

Intraventricular
Injection into a ventricle.

Intraventricular hemorrhage
Bleeding into the ventricles or the brain, common in premature infants.

Intrinsic asthma
Asthma that has no apparent external cause.

Introceptive
Pertaining to a sensory organ that registers information from within the body.

Intromission
The insertion of one part into another; in sexual intercourse, the insertion of the penis into the vagina.

Intron
A segment of DNA that does not code for protein; the intervening sequence of nucleotides between coding sequences or exons.

Intron a
Intron a 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 alfa-2b.

Intropin
Intropin 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): dopamine hydrochloride.

Introspection
Self-observation; examination of one's feelings, often as a result of psychotherapy.

Introversion
Preoccupation with oneself and accompanying reduction of interest in the outside world. Contrast to extraversion.



PREVIOUS AND NEXT TERMS
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Interstitial radiation therapy
The implantation of radioactive seeds directly into a tumor.

Intra-arterial
Injection into an artery (that may supply a tumor).

Intracerebral
Located within the cerebral hemispheres (cerebrum). See extracerebral.

Intracranial
Within the skull.

Intradural
Beneath the dura mater.

Intrathecal

Intratumoral
Injection into a tumor (usually performed during surgery).

Intraventricular
Injection into a ventricle.

Irradiation
Treatment by ionizing radiation, such as x-rays, or radioactive sources such as radioactive iodine seeds. See radiation therapy.

Intern
A medical doctor who has completed medical school and is in the first year of additional training.

Immunoassay
Detection and assay of substances by serological (immunological) methods; in most applications the substance in question serves as antigen, both in antibody production and in measurement of antibody by the test substance.

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