Copy of `Dorland's Medical Dictionary`

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Dorland's Medical Dictionary Category: Health and Medicine > Medical Dictionary Date & country: 31/12/2010, USA Words: 39128

intracapsular ligaments
ligaments of the joint capsule that are inside the capsule.

intracardiac
(in″trә-kahr´de-ak) within the heart.

intracartilaginous
(in″trә-kahr″tĭ-laj´ĭ-nәs) within a cartilage.

intracellular
(in″trә-sel´u-lәr) within a cell or cells.

intracellular fluid
any fluid that is within the membranes of the cells of the body; this comprises about two thirds of the total body fluids. It serves as a medium for the basic materials needed by cells for growth, repair, and performance of other functions. Intracellular fluid contains relatively large amounts of positively charged potassium io...

intracerebellar nuclei
cerebellar nuclei.

intracervical
(in″trә-sur´vĭ-kәl) within the canal of the cervix uteri.

intrachondrial bone
osseous tissue occurring in cartilage matrix which has undergone calcification. It is found particularly in patches within the middle layer of the otic capsule.

intracisternal
(in″trә-sis-tur´nәl) within a subarachnoid cistern.

intracranial
(in″trә-kra´ne-әl) within the skull (cranium).

intracranial aneurysm
any aneurysm found inside the skull.

intracranial hemorrhage
bleeding within the cranium, which may be extradural, subdural, subarachnoid, or cerebral.

intracranial pressure
(ICP) the pressure of the cerebrospinal fluid in the subarachnoid space between the skull and the brain. There is room for only limited expansion inside the skull, and any condition that causes an increase in volume in any of the enclosed structures will cause an increase in pressure. A tumor or swelling in the br...

intracranial pressure monitoring
(ICP monitoring) continuous monitoring of intracranial pressure; the three basic techniques used are intraventricular, subarachnoid (subdural), and epidural, with the intraventricular technique being the most common.

intracutaneous
(in″trә-ku-ta´ne-әs) within the skin; called also intradermal.

intracutaneous injection
intradermal injection.

intracutaneous test
intradermal test.

intracystic
(in″trә-sis´tik) within the bladder or a cyst.

intracytoplasmic sperm injection
(ICSI) a micromanipulation technique used in male factor infertility; a single spermatocyte is inserted into an oocyte by micropuncture.

intradermal
(in″trә-dur´mәl) within the dermis. intracutaneous.

intradermal injection
an injection into the dermis or substance of the skin, done with certain diagnostic and treatment procedures, regional anesthetics, and allergy tests. Called also intracutaneous injection.

intradermal nevus
a type of melanocytic nevus clinically indistinguishable from compound nevus, in which the nests of nevus cells lie exclusively within the dermis.

intradermal test
a skin test in which the antigen is injected below the skin and the resulting reaction is evaluated. Called also intracutaneous test.

intradermal tuberculin test
a tuberculin test in which tuberculin is injected below the skin; secific tests include the Heaf test, Mantoux test and tine test.

intradermic suture
a suture applied parallel with the edges of the wound, but within the layers of the skin, usually a continuous stitch.

intradiscal electrothermal therapy
(IDET) a minimally invasive procedure for treatment of discogenic low back pain: heat is administered to the disc wall, contracting and thickening its collagen fibers and destroying afferent nociceptors.

intraductal
(in″trә-duk´tәl) within a duct.

intraductal carcinoma
any carcinoma of the epithelium of a duct. ductal carcinoma in situ.

intradural
(in″trә-doo´rәl) within or beneath the dura mater.

intraepidermal carcinoma
carcinoma confined within the epidermis, the basal layer of the epidermis not being penetrated by the proliferating cells, as in Bowen disease.

intraepithelial carcinoma
c. in situ.

intrafusal
(in″trә-fu´zәl) pertaining to the striated fibers within a muscle spindle.

intrafusal fibers
modified muscle fibers which, surrounded by fluid and enclosed in a connective tissue envelope, compose the muscle spindle.

intrahepatic
(in″trә-hә-pat´ik) within the liver.

intrahepatic bile duct carcinoma
cholangiocarcinoma (def. 1).

intralesional
(in″trә-le´zhәn-әl) occurring in or introduced directly into a localized lesion.

intraligamentary pregnancy
intraligamentous pregnancy ectopic pregnancy within the broad ligament.

Intralipid
(in″trah-lip´id) trademark for an intravenous fat emulsion used to prevent or correct deficiency of essential fatty acids and to provide calories in high density form during total parenteral nutrition.

intralobar
(in″trә-lo´bәr) within a lobe.

intralocular
(in″trә-lok´u-lәr) within the loculi of a structure.

intraluminal
(in″trә-loo´mĭ-nәl) within the lumen of a tubular structure.

intramedullary
(in″trә-med´u-lar″e) within the spinal cord. within the medulla oblongata. within the marrow cavity of a bone.

intramembranous ossification
ossification of bone that occurs in and replaces connective tissue.

intramural
(in″trә-mu´rәl) within the wall of an organ; called also intraparietal.

intramuscular
(in″trә-mus´ku-lәr) within the muscular substance.

intramuscular injection
injection into the substance of a muscle, usually in the upper arm, thigh, or buttock, given when the substance is to be absorbed quickly. Injections into the anterior lateral area of the thigh are considered the safest because there is less danger there of damage to a major blood vessel or nerve. The deltoid muscle at the shou...

intranasal block
local anesthesia produced by insertion into the nasal fossae of pledgets soaked in a solution of local anesthetic.

intraocular
(in″trә-ok´u-lәr) within the eye.

intraocular muscles
the intrinsic muscles of the eyeball.

intraocular pressure
the pressure exerted against the outer coats by the contents of the eyeball; called also intraocular tension.

intraocular tension
intraocular pressure.

intraoperative
(in″trә-op´әr-ә-tiv) occurring during a surgical operation.

intraoral
(in″trә-or´әl) within the mouth.

intraorbital
(in″trә-or´bĭ-tәl) within the orbit.

intraosseous therapy
the infusion of blood or other solutions into the circulation by injection through the bone marrow.

intraparietal
(in″trә-pә-ri´ә-tәl) intramural. within the parietal region of the brain.

intraparietal sulcus
one separating the parietal gyri.

intrapartum
(in″trә-pahr´tәm) occurring during labor or delivery.

intraperiosteal fracture
a fracture without rupture of the periosteum.

intraperitoneal
(in″trә-per″ĭ-to-ne´әl) within the peritoneal cavity.

intrapleural
(in″trә-ploor´әl) within the pleura.

intrapleural pressure
intrathoracic pressure pleural pressure.

intrapsychic
(in″trә-si´kik) arising, occurring, or situated within the mind.

intrapulmonary
(in″trә-pool´mo-nar″e) within the substance of the lung.

intrarenal arteries
the arteries within the kidney, including the interlobar, arcuate, and cortical radiate (interlobular) arteries, and the straight arterioles.

intrarenal veins
the veins within the kidney, including the interlobar, arcuate, interlobular, and stellate veins, and the straight venules.

intrasegmental
(in″trә-seg-men´tәl) within a single segment, such as a bronchopulmonary segment or spinal segment.

intraspinal
(in″trә-spi´nәl) within the vertebral column (spine).

intraspinal block
spinal anesthesia (def. 1).

intrasternal
(in″trә-stur´nәl) within the sternum.

intrathecal
(in″trә-the´kәl) within a sheath. through the theca of the spinal cord into the subarachnoid space.

intrathecal injection
injection of a substance through the theca of the spinal cord into the subarachnoid space; the patient must lie in a flat or Trendelenburg position for one hour after treatment so that the drug is absorbed properly.

intrathoracic
(in″trә-thә-ras´ik) within the thorax.

intrathoracic goiter
one with part of the enlarged gland in the thoracic cavity.

intratracheal
(in″trә-tra´ke-әl) endotracheal.

intratubal
(in″trә-too´bәl) within a tube.

intratympanic
(in″trә-tim-pan´ik) within the tympanic cavity.

intrauterine
(in″trә-u´tәr-in) within the uterus.

intrauterine device
(IUD) intrauterine contraceptive device(ICD) a mechanical device inserted into the uterine cavity for the purpose of contraception; these devices are made of metal, plastic, or other substances and come in various sizes and shapes. Their effectiveness is based on their alteration of the endometrium a...

intrauterine fracture
fracture of a fetal bone incurred in utero.

intrauterine parabiotic syndrome
placental transfusion.

intrauterine pneumonia
pneumonia contracted by the fetus in utero; it may result in the death of the fetus or the birth of an infant with fully developed pneumonia.

intrauterine transfusion
direct transfusion of Rh negative packed red blood cells into the fetal peritoneal cavity, done for the early treatment of pronounced degrees of fetal isoimmunization before weeks 32 to 34 of pregnancy. The treatment usually is done every 7 to 10 days until delivery. Soon after the baby is delivered, exchange transfusion and su...

intravasation
(in-trav″ә-sa´shәn) the entrance of foreign material into vessels.

intravascular
(in″trә-vas´ku-lәr) within a vessel or vessels.

intravascular agglutination
clumping of particulate elements within the blood vessels; used conventionally to denote red blood cell agglutination.

intravascular fluid
a term sometimes used to refer to that part of the extracellular fluid that is within the blood vessels, in other words, the plasma.

intravenous
(in″trә-ve´nәs) within a vein.

intravenous block
Bier block.

intravenous infiltration
the movement of a needle or cannula from within a vessel into the surrounding tissue. The typical symptoms are a slowed flow of fluids, swelling, pallor, coolness of the skin, and discomfort in the area; severity of the symptoms will depend on the amount and type of fluid infused. inadvertent administration ...

intravenous infusion
administration of fluids into a vein by means of a steel needle or plastic catheter, used most often to maintain fluid and electrolyte balance, or to correct fluid volume deficits. Many medications are administered by this route.

intravenous injection
an injection made into a vein, done when rapid absorption is called for, fluid cannot be taken by mouth, or the substance to be administered is too irritating to be injected into the skin or muscles. See also intravenous infusion.

intravenous secretin test
secretin test.

intravenous therapy
the introduction of therapeutic liquid agents directly into the venous circulation.

intraventricular
(in″trә-ven-trik´u-lәr) within a ventricle.

intraventricular block
impaired conduction within the ventricles due to absence of conduction within the bundle branches, their ramifications, or the ventricles. An unspecified intraventricular block is one having an electrocardiographic pattern of intraventricular conduction disturbance but not qualifying as either a bundle branch block or a fascicu...

intravital
(in″trә-vi´tәl) occurring during life.

intrinsic
(in-trin´sik) located entirely within a part, or having to do only with that part.

intrinsic asthma
asthma due to pathologic or physiologic factors in the individual rather than environmental conditions; the usual cause is a chronic or recurrent infection of the bronchi, sinuses, or tonsils and adenoids, sometimes from hypersensitivity to the viruses or bacteria causing the infection.

intrinsic factor
a glycoprotein secreted by the parietal cells of the gastric glands, necessary for the absorption of cyanocobalamin (vitamin B12). Its absence results in pernicious anemia.