(n.) A Linnean genus of mollusks having a conical shell. See Cone, n., 4.
Example Sentences:
(1) The conus was found to contribute little to forward flow under ordinary circumstances, but its contribution increased greatly during bleeding or partial occlusion of the truncus.
(2) omega-Conotoxin GVIA is a peptide purified from the venom of the marine snail, Conus geographus, that specifically blocks voltage-sensitive calcium channels in neurons.
(3) (7) Histologically, in the chick, the wall of the truncus and the conus contain cardiac muscle as late as stage 28, but from then on the walls of the truncus are transformed into connective tissue and plain muscle.
(4) The atherosclerotic involvement of coronary branch vessels (first diagonal, first septal, posterior descending, left and right marginals, conus and the vessels supplying the conduction system) was investigated in 450 apparently healthy subjects aged 11-55 years who died of accidental causes.
(5) From 1977 to the present, we have managed 30 patients with spina bifida occulta associated with a low-placed conus medullaris.
(6) We found a low state of the conus through adhesions caused by scars which could be removed operatively.
(7) High urethral sphincter pressures and somatic activity of the conus medullaris reflexes show that external urethral and anal sphincters escape spinal shock, the primary characteristic of which is areflexia.
(8) A variety of lesions of ectodermal, mesodermal, (rarely) endodermal, or mixed-cell layer origin involve the region of the conus medullaris.
(9) Myelography suggested presence of a tumour of the conus medullaris or epidural tumour in this area, at the Th12--L1 level.
(10) Four were in the cauda equina region, 2 were intramedullary, one was in the subdural space in the thoracic region, one was intramedullary and extended into the conus and cauda equina.
(11) An enlarged low conus was seen in symptomatic patients more commonly than in those without this syndrome.
(12) The effects of geographutoxin II (GTX II), a novel polypeptide toxin isolated from the marine snail Conus geographus, on nerves and muscles were studied by current clamp and voltage clamp techniques.
(13) At operation three types of lesions were present: a tethered cord, an intradural lipoma of the cauda equina and conus medullaris and an intramedullary mature teratoma.
(14) Examples taken from the author's laboratory demonstrate the need for reference points in the description of heart morphogenesis and speak against the existence of conus resorption.
(15) The conus medullaris and cauda equina were freed from the surrounding tissue.
(16) In one patient the proximal portion of the A-V conduction system was delineated on the anterior aspect of the pulmonary conus.
(17) In regard to clinical value, the results demonstrate that in patients with lesions of the central nervous system (in the group with cauda equina and conus medullaris lesions, and in the group with suprasacral spinal cord lesions) the results of cortical evoked potentials of the vesicourethral junction and pudendal somatosensory evoked potentials widely correlate due to similar afferent nervous pathways within the central nervous system.
(18) Evoked potentials from unilateral stimulation of the posterior tibial nerve at the knee were recorded over the spinous processes S1, L4, L2, T12 and from the 'lower extremity' portion of the sensory cortex (Cz) in 29 patients who exhibited clinical and electromyographic signs of conus medullaris or cauda equina lesions.
(19) The malignant tissue had infiltrated the right cerebellar hemisphere and produced a symptomatic trigeminal neuralgia, a change in the psychological state of the patient, and an acute conus and cauda syndrome following metastasis implantation.
(20) The aim of this study was to determine the incidence of periphero-conus neuropathy in diabetic impotence.
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.