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

tubal embryo transfer
a method of assisted reproductive technology consisting of retrieval of oocytes from the ovary, followed by their fertilization and culture in the laboratory with placement of the resulting embryos in the fallopian tubes by laparoscopy more than 24 hours after the original retrieval. laparoscopic transfer of cryopreserv...

tubal pregnancy
the most common type of ectopic pregnancy, occurring within a fallopian tube.

tube
(tldbomacb) a hollow cylindrical organ or instrument. adj., tu´bal., adj.

tube flap
a bipedicle flap made by elevating a long strip of tissue from its bed except at the two ends, with the cut edges sutured together to form a tube. Called also rope flap.

tube-slide agglutination test
a type of sperm agglutination test in which sperm and serum are mixed in a tube and then transferred to a slide for examination.

tubectomy
(too-bek´tә-me) salpingectomy.

tuber
(too´bәr) a swelling or protuberance; see also tubercle and tuberosity. the essential lesion of tuberous sclerosis, a pale, firm, nodular glial hamartomatous brain lesion that sometimes becomes calcified; it develops predominantly in the cerebral hemispheres, cerebellum, medulla, and spinal cord.&nbs...

tubercle
(too´bәr-kәl) a nodule or small eminence, especially one on a bone, for attachment of a tendon; see also tuber and tuberosity. Called also tuberculum. the characteristic lesion of tuberculosis, a small round gray translucent granulomatous lesion, usually with central caseation. It is made up of modif...

tubercle bacillus
Mycobacterium tuberculosis.

tubercular
(too-bur´ku-lәr) pertaining to or resembling tubercles. tuberculous.

tubercular meningitis
tuberculous meningitis a severe type of bacterial meningitis caused by Mycobacterium tuberculosis, usually spreading from a primary infection in the lungs.

tuberculid
(too-bur´ku-lid) any of a group of conditions involving recurrent eruptions of the skin, usually characterized by spontaneous involution; it includes erythema induratum, lichen scrofulosorum, and papulonecrotic tuberculid, and sometimes also lupus miliaris disseminatus faciei. papulonecrotic tubercu...

tuberculin
(too-bur´ku-lin) a sterile liquid containing the growth products of, or specific substances extracted from, the tubercle bacillus; used in various forms in the diagnosis of tuberculosis. See tuberculin test. Old tuberculin a sterile solution of a heat-concentrated filtrate of tuberc...

tuberculin reaction
hardening or blistering of the skin as a delayed reaction at the site of a tuberculin test; this is a positive result.

tuberculin test
any of a large number of skin tests for tuberculosis using a variety of different types of tuberculin and methods of application. The most reliable procedure, now standard, is the Mantoux test.

tuberculitis
(too-bur″ku-li´tis) inflammation of or near a tubercle.

tuberculoid
(too-bur´ku-loid) resembling a tubercle or tuberculosis.

tuberculoma
(too-bur″ku-lo´mә) a tumorlike mass resulting from aggregation or enlargement of caseated tubercles.

tuberculosilicosis
(too-bur″ku-lo-sil″ĭ-ko´sis) silicotuberculosis.

tuberculosis
(too-bur″ku-lo´sis) any of the infectious diseases of humans or other animals caused by species of Mycobacterium and characterized by the formation of tubercles and caseous necrosis in the tissues. The usual causative species are M. tuberculosis and M. bovis. Tuberculosis varies widely in its manifestations and tends to...

tuberculosis test
a test for the presence of Mycobacterium tuberculosis; see tuberculin test and niacin test.

tuberculosis vaccine
BCG vaccine.

tuberculosis verrucosa cutis
a form of cutaneous tuberculosis usually resulting from external inoculation of tubercle bacilli into the skin, with wartlike papules that coalesce to form patches with a reddened inflammatory border.

tuberculostatic
(too-bur″ku-lo-stat´ik) inhibiting growth of Mycobacterium tuberculosis; see also antitubercular. an agent that has this effect.

tuberculous
(too-bur´ku-lәs) pertaining to or affected with tuberculosis: called also tubercular.

tuberculous abscess
one due to infection with tubercle bacilli.

tuberculous arthritis
bacterial arthritis occurring secondary to tuberculosis; it usually affects a single joint and is characterized by chronic inflammation with effusion and destruction of contiguous bone.

tuberculous cervical adenitis
tuberculous cervical lymphadenitis.

tuberculous cervical lymphadenitis
tuberculosis of the cervical lymph nodes, formerly called scrofula. Called also tuberculous cervical adenitis.

tuberculous endocarditis
infectious endocarditis resulting from extension of tuberculosis from the pericardium and myocardium.

tuberculous lymphadenitis
tuberculosis of lymph nodes, usually either cervical or mediastinal. See also scrofuloderma.

tuberculous mastitis
mastitis occurring with pulmonary tuberculosis, seen most often in young women.

tuberculous pericarditis
a variety caused by tuberculosis, characterized by effusion of fluid containing fibrin, blood, and sometimes caseous debris; there are thick, shaggy deposits of fibrin, a pericardial friction rub, and adhesion of the pericardial layers. This condition often develops into chronic constrictive pericarditis.

tuberculous peritonitis
a type of bacterial peritonitis caused by infection with Mycobacterium tuberculosis.

tuberculous pleuritis
pleurisy with pleural effusion and tubercles on the pleura in patients with primary tuberculosis.

tuberculous pneumonia
pneumonia occurring as part of the earliest reaction to infection by Mycobacterium tuberculosis; types include caseous pneumonia and exudative tuberculosis.

tuberculous spondylitis
spinal tuberculosis.

tuberculum
(too-bur´ku-lәm) Latin word meaning tubercle (def. 2); a term used in anatomy.

tuberosis
(too″bәr-o´sis) a condition characterized by the presence of nodules.

tuberositas
(too″bә-ros´ĭ-tәs) Latin word meaning tuberosity; a term used in anatomy.

tuberosity
(too″bә-ros´ĭ-te) an elevation or protuberance, especially one on a bone where a muscle is attached; see also tuber and tubercle.

tuberous
(too´bәr-әs) covered with tubers; knobby.

tuberous sclerosis
an autosomal dominant disease with variable manifestations, primarily neurologic and dermatologic; it is usually evident in childhood, although mild cases may not appear until later. The primary characteristics are hamartomas of the brain (tubers) that can cause seizures and mental retardation; and skin lesions such as fibromas...

tuberous xanthoma
a type in which there are groups of flat, or elevated and rounded, yellow to orange nodules on the skin over joints, especially on elbows and knees; it may be associated with certain types of hyperlipoproteinemia, biliary cirrhosis, and myxedema.

tubo-ovarian
(too″bo-o-var´e-әn) pertaining to the fallopian tube and ovary; called also ovariotubal.

tubo-ovarian pregnancy
an ectopic pregnancy that is partly in the ovary and partly in a uterine tube.

tuboabdominal pregnancy
an ectopic pregnancy that is partly in the fimbriated end of the fallopian tube and partly in the abdominal cavity.

tubocurarine
(too″bo-ku-rah´rēn) an alkaloid from the bark and stems of Chondrodendron tomentosum; it is the active principle of curare and is a nondepolarizing neuromuscular blocking agent; used in the form of the chloride salt for relaxation of skeletal muscles in surgery and convulsive therapy and as an aid in the diagnosis ...

tuboligamentous
(too″bo-lig″ә-men´tәs) pertaining to the fallopian tube and broad ligament.

tuboperitoneal
(too″bo-per″ĭ-to-ne´әl) pertaining to the fallopian tube and the peritoneum.

tuboplasty
(too´bo-plas″te) salpingoplasty. plastic repair of a tube, such as the eustachian tube.

tubotympanic
(too″bo-tim-pan´ik) pertaining to the auditory tube and tympanic cavity.

tubotympanic disease
inflammatory disease of the middle ear, resulting from eustachian tube dysfunction and decreased pressure in the tympanic cavity.

tubouterine
(too″bo-u´tәr-īn) pertaining to the fallopian tube and uterus.

tubular adenoma
an adenoma whose cells are arranged in tubules. androblastoma (def. 1). the most common type of adenomatous polyp of the colon, with tubules highly variable in size and often occurring singly.

tubular aneurysm
cylindroid aneurysm.

tubular carcinoma
an adenocarcinoma in which the cells are arranged in tubules. a type of breast cancer in which small glandlike structures are formed and infiltrate the stroma, usually developing from a ductal carcinoma in situ.

tubular gland
any gland made up of or containing a tubule or tubules.

tubular proteinuria
proteinuria due to excretion of proteins of low molecular weight such as immunoglobulins, which normally should be reabsorbed.

tubule
(too´būl) a small tube; especially, a minute canal found in various structures or organs of the body. adj., tu´bular., adj.

tubulin
(too´bu-lin) the constituent protein of microtubules; thought to be involved in phagocyte motility.

tubulin binding agents
a group of medications that bind TUBULIN and arrest cell MITOSIS; abnormal blood vessels in tumors are particularly sensitive to these agents.

tubulointerstitial nephritis
nephritis of the renal tubules and interstitial tissues, usually seen secondary to a drug sensitization, systemic infection, graft rejection, or autoimmune disease. Characteristics include lymphocytes in the interstitial infiltrate and inside the tubules, and blood and pus in the urine. Acute tubulointerstitial nephritis is usually s...

tubulopathy
(too″bu-lop´ә-the) any disease of the renal tubules.

tubulorrhexis
(too″bu-lo-rek´sis) rupture of the tubules of the kidney.

tubulus
(too´bu-lәs) Latin word meaning tubule; a term used in anatomy.

Tuffier test
in aneurysm, when the main artery and vein of a limb are compressed, swelling of the veins of the hand or foot will occur only if the collateral circulation is free.

tuft
(tuft) a small clump, cluster, or coil.

tuft fracture
bursting fracture.

tufted cell
a type of cell in the olfactory bulb, smaller, more numerous, and more superficially located than a mitral cell but with similar functions and connections.

tuftsin
(tuft´sin) a peptide that is cleaved from the IgG class of immunoglobulins and stimulates phagocytosis by neutrophils. It is produced primarily in the spleen; hereditary tuftsin deficiency and tuftsin deficiency following splenectomy result in increased susceptibility to certain infections.

tugging
(tug´ing) a pulling sensation, as a pulling sensation in the trachea (tracheal tugging), due to aneurysm of the arch of the aorta.

tui na
(too´e nah´) a Chinese system of massage, acupoint stimulation, and manipulation using forceful maneuvers, including pushing, rolling, kneading, rubbing, and grasping, sometimes in conjunction with acupuncture.

tularemia
(too″lә-re´me-ә) [Tulare County, California, where it was first described in 1911] an infectious, plaguelike, zoonotic disease caused by infection with the bacillus Francisella tularensis, which has as its natural reservoir numerous species of rabbits, squirrels, and muskrats. It is transmit...

tularemic pneumonia
pulmonary tularemia.

Tullio phenomenon
vertigo induced by high-intensity sounds.

tumefacient
(too″mә-fa´shәnt) producing swelling.

tumefaction
(too″mә-fak´shәn) swelling.

tumescence
(too-mes´әns) swelling. the condition of being swollen.

tumid
(too´mid) swollen; edematous.

tumor
(too´mәr) swelling or morbid enlargement; this is one of the cardinal signs of inflammation. a new growth of tissue in which cell multiplication is uncontrolled and progressive. Their growth is faster than that of normal tissue, continuing after cessation of the stimuli that first evoked the growth, ...

tumor antigen
T antigen (def. 1). tumor-specific antigen. tumor-associated antigen.

tumor lienis
(too´mәr li-e´nis) enlargement of the spleen less in degree than splenomegaly.

tumor lysis syndrome
severe hyperphosphatemia, hyperkalemia, hyperuricemia, and hypocalcemia occurring after effective induction chemotherapy of rapidly growing malignant neoplasms; thought to be due to release of intracellular products after cell lysis.

tumor necrosis factor
(TNF) either of two lymphokines produced primarily by cells of the immune system, capable of causing in vivo hemorrhagic necrosis of certain tumor cells but not normal cells. They also destroy cells associated with the inflammatory response. They have been used as experimental anticancer agents but can also induce...

tumor of follicular infundibulum
follicular infundibulum tumor.

tumor stain
an area of increased density in a radiograph, due to collection of contrast material in distorted and abnormal vessels, prominent in the capillary and venous phases of arteriography, and presumed to indicate neoplasm.

tumor suppressor gene
a gene whose function is to limit cell proliferation and loss of whose function leads to cell transformation and tumor growth; called also antioncogene.

tumor virus
oncovirus.

tumor-associated antigen
(TAA) one associated with tumor cells; it may also be present normally under specific conditions, in specific organs, or at lower levels.

tumor-specific antigen
(TSA) any cell-surface antigen of a tumor that does not occur on normal cells of the same origin.

tumoricidal
(too″mәr-ĭ-si´dal) oncolytic; see oncolysis.

tumoricidal agent
an agent that is destructive to cancer cells; see also antineoplastic agent.

tumorigenesis
(too″mәr-ĭ-jen´ә-sis) oncogenesis.

TUMT
transurethral microwave thermotherapy.

tumultus
(too-mul´tәs) excessive organic action or motility.

TUNA
transurethral needle ablation.

Tunga
(tung´gә) a genus of fleas native to tropical and subtropical parts of the Americas and Africa. T. pe´netrans is the chigoe, which attacks many birds and mammals, including humans.

tungsten
(W) (tung´stәn) a chemical element, atomic number 74, atomic weight 183.85.

tungsten carbide disease
hard metal disease.