(n.) Any perennial woody plant of considerable size (usually over twenty feet high) and growing with a single trunk.
(n.) Something constructed in the form of, or considered as resembling, a tree, consisting of a stem, or stock, and branches; as, a genealogical tree.
(n.) A piece of timber, or something commonly made of timber; -- used in composition, as in axletree, boottree, chesstree, crosstree, whiffletree, and the like.
(n.) A cross or gallows; as Tyburn tree.
(n.) Wood; timber.
(n.) A mass of crystals, aggregated in arborescent forms, obtained by precipitation of a metal from solution. See Lead tree, under Lead.
(v. t.) To drive to a tree; to cause to ascend a tree; as, a dog trees a squirrel.
(v. t.) To place upon a tree; to fit with a tree; to stretch upon a tree; as, to tree a boot. See Tree, n., 3.
Example Sentences:
(1) Arterial compliance of great vessels can be studied through the Doppler evaluation of pulsed wave velocity along the arterial tree.
(2) The only sign of life was excavators loading trees on to barges to take to pulp mills.
(3) These findings suggest that aerosolization of ATP into the cystic fibrosis-affected bronchial tree might be hazardous in terms of enhancement of parenchymal damage, which would result from neutrophil elastase release, and in terms of impaired respiratory lung function.
(4) While there has been almost no political reform during their terms of office, there have been several ambitious steps forward in terms of environmental policy: anti-desertification campaigns; tree planting; an environmental transparency law; adoption of carbon targets; eco-services compensation; eco accounting; caps on water; lower economic growth targets; the 12th Five-Year Plan; debate and increased monitoring of PM2.5 [fine particulate matter] and huge investments in eco-cities, "clean car" manufacturing, public transport, energy-saving devices and renewable technology.
(5) Anhidrotic ectodermal dysplasia is characterized by an absence of seromucous glands in the oropharynx and tracheobronchial tree, making children with this disease prone to viral and bacterial respiratory infections.
(6) Celebrity woodlanders Tax breaks and tree-hugging already draw the wealthy and well-known to buy British forests.
(7) A new family tree of the tyrannosaurs in the paper considers Lythronax to be very close to Tyrannosaurus and its nearest relatives.
(8) Increasing awareness of disorders such as coronary arterial spasm, functional impairment of subendocardial blood flow and the possible role of variant patterns of anatomic distribution of the coronary arterial tree, will provide a better understanding of their significance as determining or contributing factors in patients with the anginal syndrome.
(9) It's of her and Barack Obama planting an olive tree in Uhuru park in the city centre in October 2006.
(10) The alterations of dendritic trees of pyramidal neurons of layer III of visual cortex of the rat exposed to the influence of space flight aboard biosputnik "Cosmos-1887" were studied and the results are described to illustrate the methods power.
(11) The trachea and the bronchial tree (first through seventh order branches) both synthesized alpha1(II) chains.
(12) Using a large clinic population with adequate controls, significant correlation between ragweed, grass or tree pollen sensitivity and the dates of birth was not obtained.
(13) The criteria selected by a classification tree method were similar: palpable purpura, age less than or equal to 20 years at disease onset, biopsy showing granulocytes around arterioles or venules, and gastrointestinal bleeding.
(14) The results are consistent with an action of banana tree juice on the molecule responsible for excitation-contraction coupling in skeletal muscle, resulting in a labilization of intracellular Ca2+.
(15) Studying the bronchial tree on the chest x-ray it is possible to indicate the visceral situs with asplenia or with polysplenia.
(16) Reconstruction of the intrahepatic biliary tree was carried out in all patients using intrahepatic cholangiojejunostomies between common segmental hepatic stomata and a Roux-en-Y jejunal loop.
(17) Axonal trees display differential growth during development or regeneration; that is, some branches stop growing and often retract while other branches continue to grow and form stable synaptic connections.
(18) When the vascular supply is abnormal, reconstruction of the vascular tree of one or both organs may be needed.
(19) A major outbreak in Kent in 2012 saw 2,000 trees felled.
(20) "We are alarmed to see the government is even wavering about continuing its programme of tracing, testing and destroying infected young ash trees.
Upas
Definition:
(n.) A tree (Antiaris toxicaria) of the Breadfruit family, common in the forests of Java and the neighboring islands. Its secretions are poisonous, and it has been fabulously reported that the atmosphere about it is deleterious. Called also bohun upas.
(n.) A virulent poison used in Java and the adjacent islands for poisoning arrows. One kind, upas antiar, is, derived from upas tree (Antiaris toxicaria). Upas tieute is prepared from a climbing plant (Strychnos Tieute).
Example Sentences:
(1) Binding of uPA to filters was blocked by a synthetic oligopeptide containing the known receptor binding region of native uPA.
(2) The synthesis of uPA as a precursor with reduced enzymatic activity as well as decreased affinity for inhibitors is likely to be a mechanism by which normal epidermis regulates plasminogen activation in vivo.
(3) We identified two human melanoma cell lines, MelJuso and MeWo, expressing uPA or tPA as shown at mRNA, protein, and enzyme activity level.
(4) The Jarman UPA score at electoral ward level is not related to psychiatric morbidity, and should not therefore be used for planning local service provision.
(5) Mutants of the pig kidney cell line, LLC-PK1, affected in cAMP metabolism, were examined for cAMP-dependent protein kinase (cAMP-PK) activity and for cAMP-mediated induction of urokinase-type plasminogen activator (uPA).
(6) Since in addition to fibronectin, that can be degraded by uPA or plasmin, chorioallantoic membrane connective tissue contains collagen, we examined the profile of collagenases secreted by the various cell lines in search for an activity that would coincide with the invasive phenotype.
(7) Rat alveolar epithelial cells produce large quantities of urokinase-type plasminogen activator (uPA) in vitro, and uPA expression is modulated in association with cellular differentiation and exposure to inflammatory mediators.
(8) Immunoreactive uPA was induced equally by IFN and TNF, but TNF generated higher levels of PAI-2.
(9) Thus, cathepsin B can substitute for plasmin in the proteolytic activation of pro-uPA to enzymatically active HMW-uPA.
(10) Plasmin formation, dependent on the urokinase-type plasminogen activator (uPA), is discussed in its biochemical, regulatory and physiological aspects and its involvement in cancer malignancy analysed.
(11) (iv) At high concentrations of sigma factor, only certain adenosine-containing dinucleoside monophosphates (ApU, CpA, UpA, and ApA) stimulate the reaction.
(12) The peptide hormone calcitonin induces the accumulation of urokinase-type plasminogen activator (uPA) mRNA in pig kidney LLC-PK1 cells.
(13) PA activity was also associated with the leading edges of migrating epithelium post-scrape and post-burn and was not inhibited by antibodies to either tPA or uPA but was inhibited by amiloride.
(14) However, the RNase A mutant containing residues 63-74 of angiogenin had greatly diminished catalytic activity against uridylyl-(3'----5')-adenosine (UpA), and slightly increased catalytic activity as an inhibitor of translation in vitro.
(15) Hence receptor-bound uPA will promote plasminogen activation and thus the dissolution of the tumor matrix and the basement membrane which is a prerequisite for invasion and metastasis.
(16) Treatment of A431 squamous carcinoma cells (SqCC) with epidermal growth factor (EGF) has previously been shown to result in an induction of the synthesis and extracellular accumulation of uPA and the plasminogen-dependent proteolysis of extracellular matrix (ECM).
(17) Enzymatic properties of phosphorylated urokinase plasminogen activator (P-uPA) (1) extracted from human carcinomatous cell line Detroit 562 cells were compared with those of non-phosphorylated uPA of urinary origin (nP-uPA).
(18) In all of 10 cases, staining for uPA in the normal colon tissue was confined to scattered fibroblastlike cells in the lamina propria.
(19) It is proposed that uPA:uPA-receptor interaction plays a direct role in physiological and pathological processes that require cell migration.
(20) High molecular weight uPA, either as the single-chain precursor or two-chain activated form, bound to the receptor; however, low molecular weight (33 kD) uPA, tPA, or epidermal growth factor did not compete for binding, demonstrating specificity.