(n.) A fall of water over a precipice, as in a river or brook; a waterfall less than a cataract.
(v. i.) To fall in a cascade.
(v. i.) To vomit.
Example Sentences:
(1) With fields and fells already saturated after more than four times the average monthly rainfall falling within the first three weeks of December, there was nowhere left to absorb the rainfall which has cascaded from fields into streams and rivers.
(2) The following model is suggested: exogenous ATP interacts with a membrane receptor in the presence of Ca2+, a cascade of events occurs which mobilizes intracellular calcium, thereby increasing the cytosolic free Ca2+ concentration which consequently opens the calcium-activated K+ channels, which then leads to a change in membrane potential.
(3) Each point of the interleukin cascade reaction was examined.
(4) All cellular signals characterized so far are reverted during retrodifferentiation: Redistribution of PKC and down-regulation of c-fos and c-jun contribute to an interruption of the differentiation-associated transsignaling cascade.
(5) Present antihypertensive therapy is directed largely at secondary factors dependent upon or influencing the primary phospholipase C cascade.
(6) Since testosterone influenced both tissue stores and PDBu-stimulated secretion of LHRH and GAP, this steroid may selectively regulate biosynthesis and secretion of pro-LHRH-derived peptides through activation of the metabolic cascade involving the PKC system.
(7) Extracellular signals that promote cell growth activate cascades of protein kinases.
(8) Using serine proteinase inhibitors and antibodies to plasminogen activators as well as a newly described collagenase inhibitor we demonstrate that a protease cascade leads to the activation of an enzyme(s) that cleaves collagen IV.
(9) Low-density lipoprotein (LDL) has a similar hormone-like action and activates the signal transfer cascade that eventually leads to platelet aggregation as well as vascular smooth muscle cell proliferation.
(10) However, the role of calcium homeostasis in regulating several biochemical pathways implicated in other steps of the metastatic cascade suggests that calcium channel antagonists could also inhibit metastasis by other mechanisms.
(11) Since ADH exerts its effects by activation of adenylyl cyclase (AC), further experiments were performed to identify the site at which CP inhibits this cascade.
(12) Autoantibodies which interfere with the function of enzyme cascade systems have also been described in diseases such as acquired haemophilia (anti-factor VIII antibodies) and glomerulonephritis (C3 nephritic factor).
(13) The cyclic adenosine nucleotide pathway is turned off by kinase A activity, whereas the inositol trisphosphate cascade is terminated by kinase C. The data support the concept that desensitization of odorant responses involves phosphorylation of key elements in the transduction cascade.
(14) These hormonal responses trigger a cascade of metabolic adjustments leading to catabolism and substrate mobilization in the postoperative period.
(15) The series filter model is compatible with a simply physical model consisting of cascaded chemical reactions whose forward rate constants are reciprocals of the filter time constants, whose reverse rate constants are negligible, and in which the concentration of an intermediate product controls membrane current.
(16) E capture IC via complement receptors, type 1 (CR1) which can bind to C3b and C4b ligand sites generated on IC during activation of the complement cascade.
(17) The EU was not properly promoting cascade use either he said.
(18) Speculatively, the blockage by dbcAMP of the morphogenetic cascade in the co-cultured system may be related to the inhibition by dbcAMP of testis cord formation in organ cultures of fetal gonads reported by others.
(19) Component of the cascade model represented adventitia and media layers of the wall.
(20) These data suggest that sCR1 inhibits the Arthus reaction by interrupting the activation of the C cascade, hence limiting the detrimental immune complex-induced tissue damage in vivo.
Cataract
Definition:
(n.) A great fall of water over a precipice; a large waterfall.
(n.) An opacity of the crystalline lens, or of its capsule, which prevents the passage of the rays of light and impairs or destroys the sight.
(n.) A kind of hydraulic brake for regulating the action of pumping engines and other machines; -- sometimes called dashpot.
Example Sentences:
(1) Instead of later renal failure and, of course, mental retardation, it was the histological features of the fetus eyes which permit to diagnose and exhibit both congenital cataract and irido-corneal angle dysgenesis.
(2) Hyperopia was more common in younger persons, but senile cataract, macular degeneration and palpebral dermatochalasis or blepharochalasis were more common in older persons.
(3) Two patients developed cataract following tetracycline therapy.
(4) Eighteen cases (28 eyes) with congenital cataracts are analyzed.
(5) The evidence linking increased sorbitol pathway activity to diabetic complications, such as cataract and neuropathy in animal models, suggests that aldose reductase inhibitors will be useful therapeutic agents in human diabetics.
(6) This study of 47 patients from 11 families with neurofibromatosis type 2 (NF 2) confirms our previously reported association between posterior capsular cataract and NF 2.
(7) We examined 84 eyes with different lens opacities, the visual acuity was analysed in relation to the axial, cortical and capsular cataract.
(8) The most important ocular side effect of the systemic adiministration of corticosteroids is the formation of a posterior subcapsular cataract.
(9) About 7% of all Saudi Arabians, and 42% of those older than 40 years, have a cataract or its sequelae.
(10) A 60-year-old man developed periodic alternating nystagmus in association with decreased vision due to cataracts.
(11) We describe our technique of endocapsular cataract extraction and insertion of an intraocular lens and prospectively compare 93 eyes which underwent endocapsular cataract extraction with 83 which underwent a standard extracapsular procedure.
(12) I believe that 80% of all cataract surgery within the next 10 years will be performed with extracapsular extraction and lens implantation.
(13) The eye was subsequently enucleated and histopathology confirmed the diagnosis of retinoblastoma associated with anterior polar cataract.
(14) One hundred twenty-five patients were entered into a prospective investigation designed to assess the effect of intraoperative surface modification of PMMA, by coating with a 2% hydroxypropyl methylcellulose solution, on the incidence of fibrinous uveitis after extracapsular cataract surgery and lens implantation.
(15) Knowledge of the incidence of both short- and long-term elevation of intraocular pressure (IOP) after extracapsular cataract extraction (ECCE) and posterior chamber intraocular lens (PC-IOL) insertion is essential for the practicing ophthalmologist.
(16) The shortest latent period of cataract development was three years and the youngest subject was only 22 years old.
(17) Severe iritis which occurs within the first five days after cataract extraction may be categorized as (1) bacterial endophthalmitis, (2) toxic iritis, or (3) aseptic iritis.
(18) Cataracts accounted for 22% of bilateral and 6% of monocular blindness.
(19) After doing, over the past two years, 55 Copeland iris plane lenses combined with intracapsular cataract extraction, I find it to be a relatively simple procedure.
(20) Emory mice (EM) are genetically predisposed to late-onset cataract formation.