(interj.) An exclamation expressing disgust or contempt. See Bah.
(n.) A kind of stockaded intrenchment.
Example Sentences:
(1) In contrast, Leydig cells from rat testis contain monooxygenase systems which catalyze the metabolism of PAH, such as DMBA.
(2) The reason we have postulated that one-electron oxidation plays an important role in the activation of PAH derives from certain common characteristics of the radical cation chemistry of the most potent carcinogenic PAH.
(3) It is suggested that the atmosphere of Athens favours the formation of secondary direct-acting mutagens due to the oxidation and nitration of PAH by ozone and nitrogen oxides, which are more abundant in the late spring months.
(4) The cytosol binding activity apparently decreased but reincubation of the cytosol with the radioactive ligand completely restored "4S" PAH-BP activity.
(5) PAH levels have progressively decreased in the last few decades, most probably due to the introduction of anti-smoke regulations and the decrease of coal burning for heating.
(6) The haplotype associations, relative frequencies, and distributions of five prevalent PAH mutations (R158Q, R261Q, IVS10nt546, R408W, and IVS12n1) were established in a comprehensive European sample population and subsequently were examined to determine the potential roles of several genetic mechanisms in explaining the present distribution of the major PKU alleles.
(7) The stimulation was followed by short-term hyperpolarization of primary afferents (PAH; 1-5 min) and by depression of dorsal root potentials (DPRs) which had a similar time course to the delta [K]e, and were not blocked by naloxone.
(8) An isolated rat kidney preparation was used, and the uptake of UB by renal tissue, the UB appearance in the urine, and the secretion of PAH were analyzed throughout the perfusion.
(9) The analytical method for PAH determination is based on filter extraction, two-dimensional thin-layer chromatography and fluorescence spectrometry; lead is measured by atomic absorption.
(10) Thus, the substantially invasive procedure of ureteral catheterization is not required to ascertain left and right kidney PAH clearance in patients already at risk from renal disease.
(11) Uroporphyrin, heptacarboxylic acid porphyrin, and coproporphyrin are the major porphyrins to accumulate in response to PAHs (for example, 3,3',4,4'-TCBP in chick embryo liver cell culture).
(12) We have also found useful for the determination of acceptable concentration levels for the noncarcinogenic PAHs an analogous methodology based on the relative toxicities of the noncarcinogenic PAHs.
(13) The carcinogenic potency not only of PAH-containing extracts but also of the whole exhausts has often been estimated from their benzo[a]pyrene (BP) content.
(14) Deposition fluxes of Pb, Cd, Cu and a range of 11 PAH compounds have been determined at distances of 3.8-220 m from the M6 motorway in northwest England over a period of 21 months.
(15) Sucrose-gradient analysis of BeP binding activity indicated that BeP bound with high affinity to the 4S PAH-binding protein, but not to the Ah receptor.
(16) The air was sampled daily by glass fiber's filters; a ponderal determination of total particulate was made; PAH was dosed by gas-chromatography and by mass spectrometry, metals was determined by atomic absorption spectrometry.
(17) Both the occupational and in particular the therapeutic exposure to coal tar resulted in clear increases in urinary levels of PAH metabolites as compared to unexposed subjects.
(18) Simultaneous imposition of the pH gradient (outward OH- gradient) and inward Na+ gradient stimulated PAH uptake significantly over that with an Na+ gradient alone.
(19) Using PAH as a marker for the maximal extractable perfusion flow, 1-naphthol could be regarded as a high-extraction compound even at high perfusion flow rates.
(20) Experiments with basolateral membrane vesicles prepared from rat kidney cortex were performed to study the mechanism by which p-aminohippuric acid (PAH) is taken up across the contraluminal membrane and is concentrated in proximal tubule cells.
Par
Definition:
(n.) See Parr.
(prep.) By; with; -- used frequently in Early English in phrases taken from the French, being sometimes written as a part of the word which it governs; as, par amour, or paramour; par cas, or parcase; par fay, or parfay.
(n.) Equal value; equality of nominal and actual value; the value expressed on the face or in the words of a certificate of value, as a bond or other commercial paper.
(n.) Equality of condition or circumstances.
Example Sentences:
(1) While the heaviest anterogradely labeled ascending projections were observed to the contralateral ventral posterolateral nucleus of the thalamus, pars oralis (VPLo), efferent projections were also observed to the contralateral ventrolateral thalamic nucleus (VLc) and central lateral (CL) nucleus of the thalamic intralaminar complex, magnocellular (and to a lesser extent parvicellular) red nucleus, nucleus of Darkschewitsch, zona incerta, nucleus of the posterior commissure, lateral intermediate layer and deep layer of the superior colliculus, dorsolateral periaqueductal gray, contralateral nucleus reticularis tegmenti pontis and basilar pontine nuclei (especially dorsal and peduncular), and dorsal (DAO) and medial (MAO) accessory olivary nuclei, ipsilateral lateral (external) cuneate nucleus (LCN) and lateral reticular nucleus (LRN), and to a lesser extent the caudal medial vestibular nucleus (MVN) and caudal nucleus prepositus hypoglossi (NPH), and dorsal medullary raphe.
(2) The advantages of the incision through the pars plana ciliaris are (1) easier approach to the vitreous cavity, (2) preservation of the crystalline lens and an intact iris, and (3) circumvention of the corneal and chamber angle complications sometimes associated with the transcorneal approach.
(3) A block of tissue bounded by the ostium of the coronary sinus, the pars membranacea, the septal leaflet of the tricuspid valve and the atrial and ventricular septa is removed.
(4) Ultrasonic fragmentation through the pars plana is a quick and easy method for relieving the condition.
(5) These results indicate that the pars tuberalis forms and secretes LH via the hypophyseal portal circulation.
(6) The advantages of pars plana approach are the small incision and minimal ocular manipulation during surgery.
(7) A 70-year-old man, a 59-year-old woman, and a 57-year-old woman underwent pars plana vitrectomy.
(8) It is concluded that Na+ channels are only present in pars recta of rabbit proximal tubule.
(9) A medium amount of degenerated terminals were observed in the nucleus pretectalis anterior (pars reticularis), the dorsal part of the periaqueductal grey at its most rostral levels, the caudolateral parts of the nucleus pretectalis posterior and the nucleus of optic tract, the H field of Forel, parts of the somatic cell columns of the oculomotor nucleus and the trochlear nucleus.
(10) Intracellular recordings were made from zebra finch hyperstriatum ventrale pars caudale (HVc) neurones in in vitro slice preparations.
(11) The observations of HRP-labelled neurons in the pars compacta region of substantia nigra following injection of HRP into the STN together with the DA responsiveness of STN neurons suggest the possibility of a dopaminergic nigro-subthalamic pathway.
(12) The ultrastructural study of nucleoli and ribonucleoprotein-containing structures in human seminiferous tubules revealed that the nucleoli of spermatogonia, spermatocytes and Sertoli cells exhibited a tripartite structure consisting of: a fibrillar center, a compact granular portion, and a reticular portion containing both pars fibrosa and pars granulosa.
(13) The elopiform teleost Engraulis japonica was used for a light and electron microscopical study of the follicle epithelium in the rostral pars distalis of the pituitary.
(14) Special attention was given to the portal vascular system of the median eminence and the pars distalis.
(15) Tubular damage was confined to the medullary pars recta of the proximal tubule and only in the most severe cases did injury involve the cortical pars recta and pars convoluta.
(16) With increasing age, ir-5HT first appears in perikarya of the nucleus preopticus (18 months) and in gonadotropes of the caudal pars distalis.
(17) That is par for the course,” Obama said, repeating his argument that he was abiding by a “basic principle” that the US would not abandon its military personnel.
(18) The tonic EMG activity induced by intrastriatal injection of bethanechol (1.0 microgram) was abolished by a subsequent injection of the GABAmimetic drug muscimol (25 ng) into the posterior part of the substantia nigra pars reticulata suggesting that bethanechol-induced limb rigidity is mediated via impairment of GABAergic transmission within the substantia nigra pars reticulata.
(19) Experiences with surgical treatment of chronic endogenous uveitis in human patients have shown that vision-impairing axial opacities in the vitreous body can be removed by pars plana vitrectomy, and that a considerable decrease in the frequency and severity of uveitic relapses results.
(20) These studies clearly show that extensive necrosis of the medullary pars recta can be dissociated from the development of acute renal failure.