(1) In cases with unilateral hypoperfusion, the percentage of the activity in the lesion to that in the contralateral normal cortex on the early SPECT was correlated well with that on CBF measured by PET (r = 0.870, p less than 0.001).
(2) However, localizing a functional region with PET has been severely limited by the poor resolving properties of PET devices.
(3) The PET studies suggest dysfunction of the prefrontal cortex as a result of damage to the lentiform nuclei.
(4) If the PET measurement is commenced prior to arteriovenous equilibrium, significant errors occur in calculated CBV.
(5) Single photon emission computed tomography (SPECT) and positron emission tomography (PET) are now being used to improve the information available from radioisotopic imaging of patients with cancer.
(6) The muscarinic receptor agonist carbachol had no significant effects on [3H]PEt and [3H]IP formation in nontransfected HEK cells.
(7) Appropriate corrections for atrophy should be employed if current PET scanners are to accurately measure actual brain tissue metabolism in various pathologic states.
(8) Using a 1-stage random-digit dial telephone survey, we estimated the number of pet dogs and cats and cancer case ascertainment in the principal catchment area of an animal tumor registry in Indiana, the Purdue Comparative Oncology Program (PCOP).
(9) Such information could be most useful for in vivo receptor visualization studies using positron emission tomography (PET) scanning.
(10) Half the adolescents completed the child maltreatment instrument first, while the rest completed the pet maltreatment instrument.
(11) In this study, PET images were obtained using [18F]-labeled fluorodeoxyglucose, a marker for glucose metabolism.
(12) The global black market in animal and plants, sold as food, traditional medicines and exotic pets, is worth billions and sees an estimated 350 million specimens traded every year.
(13) The distribution of 1-11C-acetoacetic acid after injection into adult Wistar rats and cats was investigated by PET.
(14) If we start letting movie stars – even though they’ve been the sexiest man alive twice – to come into our nation (with pets), then why don’t we just break the laws for everybody?” Joyce said at the time.
(15) We have developed a method that allows two sets of regional cerebral metabolic rates of glucose (rCMRglc) to be obtained in a single extended procedure using positron emission tomography (PET) and [18F]fluorodeoxyglucose (FDG).
(16) Metabolic PET studies also give insight into pathophysiologic mechanisms of epilepsy.
(17) In view of the number of PET studies involving low count rate acquisitions, there has been increasing interest recently in the development of positron cameras capable of fully three-dimensional acquisition and reconstruction.
(18) We performed dynamic positron emission tomographic (PET) studies of glucose utilization, using (18F) 2-fluoro-2-deoxy-D-glucose (FDG), in patients with probable Alzheimer's disease (AD) and healthy age-matched controls, to evaluate blood-brain-barrier glucose transport and glucose utilization rates in the disease.
(19) We used a 11C-glucose method for positron emission tomography (PET) while estimating cerebral glucose metabolism during human sleep with polysomnography (PSG).
(20) His mother is Denise Welch, late of Corrie and Loose Women, and his father his Tim Healy, who was briefly famous 30 years ago for his role in Auf Wiedersehen, Pet.
Pitted
Definition:
(imp. & p. p.) of Pit
(a.) Marked with little pits, as in smallpox. See Pit, v. t., 2.
(v. t.) Having minute thin spots; as, pitted ducts in the vascular parts of vegetable tissue.
Example Sentences:
(1) When compared with nonspecialized regions of the cell membranes, these contact sites were characterized by a decreased intercellular distance, subplasmalemmal densities and coated pits.
(2) Interaction of viable macrophages with cationic particles at 37 degrees C resulted in their "internalization" within vesicles and coated pits and a closer apposition between many segments of plasmalemma than with neutral or anionic substances.
(3) Both types of oral cleft, cleft palate (CP) and cleft lip with or without CP (CLP), segregate in these families together with lower lip pits or fistulae in an autosomal dominant mode with high penetrance estimated to be K = .89 and .99 by different methods.
(4) The potential use of ancrod, a purified isolate from the venom of the Malaysian pit viper, Agkistrodon rhodostoma, in decreasing the frequency of cyclic flow variations in severely stenosed canine coronary arteries and causing thrombolysis of an acute coronary thrombus induced by a copper coil was evaluated.
(5) On land, the pits' stagnant pools of water become breeding grounds for dengue fever and malaria.
(6) Demonstration of low levels of Pit-1 expression in Ames dwarf (df) mice implies that both Pit-1 and df expression may be required for pituitary differentiation.
(7) At 4 degrees C or after fixation, anti-renal tubular brush border vesicle (BBV) IgG bound diffusely to the surface of GEC and to coated pits.
(8) A cell with a large Golgi apparatus and associated cytoplasmic granules resembles the pit cell described in the liver of a few other vertebrates.
(9) Pitting corrosion was seen on low-resistant Ni-Cr alloys, which had less Cr content.
(10) This brings lads like 12-year-old Matthew Mason down from the magnificent studio his father Mark, from a coal-mining town ravaged by pit closures, lovingly built him in the back garden at Gants Hill, north-east London.
(11) Stonehenge stood at the heart of a sprawling landscape of chapels, burial mounds, massive pits and ritual shrines, according to an unprecedented survey of the ancient grounds.
(12) Freeze fracture analysis confirmed the integrity of the tight junctions as well as increased numbers of vesicles or pits along the lateral cell membrane, indicating increased endocytotic activity.
(13) Likewise, the cost of emptying these pits can be high.
(14) Bifid uvula, preauricular pits, and abnormal palmar creases were also slightly more common in the patients, but the differences were not statistically significant.
(15) Hypertrophic fibrous astrocytes were common in chronic active lesions, were capable of myelin degradation and on occasion, contained myelin debris attached to clathrin-coated pits.
(16) A mother and daughter both presented at age 5 years with the triad of right-sided congenital cholesteatoma, right preauricular pits, and bilateral sensorineural hearing loss.
(17) In addition, the perfusion method in this experiment suggested the possibility of distinguishing pinocytotic vesicles from pits of cell membranes.
(18) Performance pay pitting teachers against each other just does not work - we are not in favour of that,” Merlino said.
(19) Both larval stages had an inner circle of 6 labial papillae, an outer circle of 6 labial papillae and 4 somatic papillae, and lateral amphidial pits.
(20) The country’s other attractions include a burning pit at “the door to hell” in the Darvaza crater, and rarely seen stretches of the silk road, the region’s ancient trade route.