(n.) A solid of the form described by the revolution of a right-angled triangle about one of the sides adjacent to the right angle; -- called also a right cone. More generally, any solid having a vertical point and bounded by a surface which is described by a straight line always passing through that vertical point; a solid having a circle for its base and tapering to a point or vertex.
(n.) Anything shaped more or less like a mathematical cone; as, a volcanic cone, a collection of scoriae around the crater of a volcano, usually heaped up in a conical form.
(n.) The fruit or strobile of the Coniferae, as of the pine, fir, cedar, and cypress. It is composed of woody scales, each one of which has one or two seeds at its base.
(n.) A shell of the genus Conus, having a conical form.
(v. t.) To render cone-shaped; to bevel like the circular segment of a cone; as, to cone the tires of car wheels.
Example Sentences:
(1) Implantation of the mouse embryo involves the invasion of the secondary trophoblast giant cells of the ectoplacental cone (EPC) into the uterine decidua.
(2) It is commonly assumed that the visual resolution limit must be equal to or less than the Nyquist frequency of the cone mosaic.
(3) In scanning of more than 20 Hz frequency, the spectral pattern also reflected the characteristics of the cone system.
(4) The function of these triple cones can not be deduced from the behavior patterns of these fishes.
(5) Light-induced cone shortening provides a useful model for stuying nonmuscle contraction because it is linear, slow, and repetitive.
(6) As early as E-28 many growth cones have lamellipodia that extend outward from the core region as far as 10 microns.
(7) RCA-1, which is specific for D-galactose, showed patchy fluorescence on the basal and distal portions of the outer segments of the cones and rods, whereas neuraminidase-treated sections had uniform fluorescence throughout the tissues.
(8) Rats permitted to recover for 13 weeks and then sacrificed had lost almost all their rods (p less than 0.001) while the cones were reduced by about 50% (p less than 0.01).
(9) Rod adaptation had no reliable influence on response to rapid onset in cones or bipolar cells.
(10) Unique domains of the retinal interphotoreceptor matrix (IPM), termed cone matrix sheaths, are composed largely of chondroitin 6-sulfate proteoglycan in most higher mammalian species.
(11) Psychophysical results on human colour matching (Stiles & Burch, 1955; Stiles & Burch, 1959) were well predicted from the spectral sensitivities of the monkey cones.
(12) Our model of voltage dependence of GABA uptake predicts that all colors of light should hyperpolarize H1 cone horizontal cells and other investigators have shown by intracellular recording and dye-marking that type H1 cone horizontal cells hyperpolarize to all wavelengths of light.
(13) During the third stage, the dendritic trees of ganglion cells no longer branch or extend by means of active growth cones.
(14) Growth cones from the neurons contacted the muscle fibers within 6-12 h after isolation.
(15) The results indicate that contact Nd.YAG laser conization for CIN is an excellent conservative therapy from the point of cure rate, safety, indication, operation time and cone specimen, even compared with CO2 laser conization.
(16) In the human retina, which has both cones and rods in abundance, cones, cone bipolars, ganglion cells, horizontal cells, and small and large amacrine cells were labeled.
(17) Neither pH nor composition of liner collection cone had an effect on postthaw acrosomal scores, but the time required for a 50% increase in severely damaged acrosomes was greater for spermatozoa collected in polyethylene than in rubber liner collection cones.
(18) These regenerating nerve fibres together with growth cones make terminals in the form of buttons, rings and loops.
(19) Underneath the envelope, p17 forms the matrix protein layer, while the capsid of the double cone shaped core is built up of p24.
(20) On the model of electrical coupling proposed by Lamb & Simon (1976), this suggests that to the extent that the voltage-dependent desensitization results from an increased conductance and hence an increased shunt of the signals at the plasma membrane, there must be a concomitant increase in the conductance of the electrical pathways linking cones to one another.
Peg
Definition:
(n.) A small, pointed piece of wood, used in fastening boards together, in attaching the soles of boots or shoes, etc.; as, a shoe peg.
(n.) A wooden pin, or nail, on which to hang things, as coats, etc. Hence, colloquially and figuratively: A support; a reason; a pretext; as, a peg to hang a claim upon.
(n.) One of the pins of a musical instrument, on which the strings are strained.
(n.) One of the pins used for marking points on a cribbage board.
(n.) A step; a degree; esp. in the slang phrase "To take one down peg."
(v. t.) To put pegs into; to fasten the parts of with pegs; as, to peg shoes; to confine with pegs; to restrict or limit closely.
(v. t.) To score with a peg, as points in the game; as, she pegged twelwe points.
(v. i.) To work diligently, as one who pegs shoes; -- usually with on, at, or away; as, to peg away at a task.
Example Sentences:
(1) Plasma renin activities (PRA) and aldosterone concentrations increased in parallel over a wide range of plasma volume deficits produced in unanesthetized rats by extravascular administration of polyethylene glycol (PEG) solution.
(2) To determine whether long-term enteral feedings can improve nutritional status and lung function parameters in patients with cystic fibrosis (CF), 11 patients (8 female, 3 male, age 7 to 23 years) received a percutaneous endoscopic gastrostomy (PEG) since February 1988.
(3) Advisable in a first time for the feeding of patients with palliative treatment, we propose PEG for patients in position to have a long and difficult rehabilitation of swallowing.
(4) Metoprolol was introduced into the stomach with a homogenized meal containing a nonabsorbable marker, [14C]-PEG 4000, and another marker, PEG 4000, was perfused continuously into the duodenum just below the pylorus.
(5) Decreased consistency of the stools was seen after PEG in both groups (p < 0.001).
(6) Since PEG-1000 treatment of HPRT- Chinese hamster cells in the absence of human cells yielded no HPRT+ cells, it is concluded that the element responsible for the restoration of rodent HPRT was contributed by the human cells and not by the agent employed to promote fusion.
(7) The CD spectra of these aggregates showed psi-type anomalies and intensities 10-100 times greater than those obtained with the dispersed DNA solutions in the absence of PEG.
(8) We next tried to prepare virus-free PEG-PLP-Hb from HBV or HTLV-I positive blood.
(9) The yes camp should have made no bones about a call to the nation to shake things up, by bringing him down a peg or two.
(10) The fast process in the presence of PEG was identified as due to rapid interbilayer monomer diffusion between closely apposed vesicles, and, in the absence of PEG, as due to monomer diffusion through the aqueous phase.
(11) Since it was first described Percutaneous Endoscopic Gastrostomy (PEG) has rapidly become the preferred method for gastrostomy tube placement.
(12) Percutaneous endoscopic gastrostomy (PEG) has become a commonly performed procedure to provide nutritional support to chronically ill patients.
(13) CIC-PEG and TRAb levels were similar in newly diagnosed and relapsed patients, being higher than in controls (p less than 0.01) and in remission patients (p less than 0.01).
(14) At a second operation, 10 days later, these adhesions were graded and lysed, after which the animals received one of the following solutions intraperitoneally: 5 per cent PEG 4000 (n = 21), 25 per cent PEG 4000 (n = 23), 32 per cent dextran 70 (n = 22) or isotonic saline (n = 25), or were left as an untreated control group (n = 20).
(15) The main histological features of the tumour were enormous, but relatively regular, acanthosis of rete pegs revealing no similarity to the squamous-cell carcinoma, and an exclusively parakeratottic eleidine-containing central plug.
(16) One hundred thirty-six percutaneous endoscopic gastrostomies (PEGs) were placed in 126 patients with head and neck malignancies.
(17) Sera from patients (n = 24) with hemolytic transfusion reactions and no detectable antibody by routine technics were tested; two sera had specific antibodies by the PEG technic.
(18) The PEG derivatization of enzymes with this procedure is less inactivating than those previously reported.
(19) Both liposome-mediated delivery and PEG conjugation offer an additional benefit over native superoxide dismutase and catalase because they can increase cellular antioxidant activities in a manner that can provide protection from both intracellular and extracellular superoxide and hydrogen peroxide.
(20) Both from diagnostic and prognostic points of view, PEG is of less value is communicating hydrocephalus on account of the many false findings.