(n.) A large genus of evergreen coniferous trees, mostly found in the northern hemisphere. The genus formerly included the firs, spruces, larches, and hemlocks, but is now limited to those trees which have the primary leaves of the branchlets reduced to mere scales, and the secondary ones (pine needles) acicular, and usually in fascicles of two to seven. See Pine.
Example Sentences:
(1) SDS and C12 do not seem to interfere with enzyme activities at the beginning of the germination of Pinus pinea and Triticum durum seeds.
(2) A possibility to construct a genetic map of the yeast Pichia pinus MH4 is demonstrated on the basis of tetrad analysis.
(3) The genome appeared essentially colinear with that of Pinus radiata, for which a map has previously been published.
(4) A study was made of the effects of starvation of Pichia pinus, Candida utilis, Saccharomyces cerevisiae and Rhodosporidium toruloides on their uptake of D-glucose and 2-deoxy-D-glucose.
(5) The psbA gene, encoding the D1 protein of photosystem II, was found to be duplicated in the chloroplast genome of two pine species, Pinus contorta and P. banksiana.
(6) Callus and cell suspensions of Pseudotsuga menziesii and Pinus taeda fixed in glutaraldehyde:acrolein and then OsO4, followed by epoxy embedding, were sectioned 0.5 mum thick, stained on a glass slide with ethanolic Sudan black B at 60 C as described by Bronner, and then mounted in Karo syrup.
(7) The method has been successfully applied to the isolation and purification of RNA from pine (Pinus sylvestris L. and Pinus mugo Turr.
(8) The study was carried out on nuclei isolated from the root meristem of Pinus silvestris.
(9) Commercial lignins suppressed the growth of influenza A virus infecting MDCK cells, and the RNA-dependent RNA synthesis, as efficiently as the high-molecular weight fractions extracted from pine cone of Pinus parviflora Sieb.
(10) We have generated a genomic P1 bacteriophage library using Monterey pine (Pinus radiata) DNA.
(11) A new purification procedure for isocitrate lyase from Pinus pinea is reported.
(12) The dynamics of growth processes was studied in the integument and nucellus of Pinus silvestris during the year of fertilization.
(13) Isozyme phenotypes are described for 45 structural loci and 1 modifier locus in bishop pine (Pinus muricata D. Don,) and segregation data are presented for a subset of 31 polymorphic loci from 19 enzyme systems.
(14) When we used washed chitin from crab shells as an affinity medium to isolate a lectin from Pinus strobus L. (eastern white pine) ovules, we found that a substance having a strong capacity to agglutinate red blood cells was eluted from the chitin during a weak acid desorption step.
(15) The peaks of many free amino acids in Pinus densiflora (the tree aged 3) were found in February, but in Pinus thunbergii (the tree aged 3) the peaks of free amino acids were observed in May and from February to April.
(16) The effects of exogenous growth factors (indolacetic acid, gibberellic acid and kinetin and steroidal hormones (estrone, estradiol and testosterone on the germination pattern of Pinus pinea seeds were studied.
(17) During our investigation on the effect of some fatty acids on the germination of Pinus pinea seeds (Vincenzini et al., 1973), we noted a marked decrease of G6PDH activity when octanoate or oleate were added to the culture medium.
(18) Populations of hispid cotton rats (Sigmodon hispidus) were studied in 6 young loblolly pine (Pinus taeda) plantations in South Carolina, USA.
(19) Pisolithus has also been reported growing under natural conditions in association with three additional species of Betula, two species of Eucalyptus, nine species of Pinus, and eight species of Quercus, Populus tremuloides, Pseudotsuga grandidenta, and Salix humilis.
(20) Their characterization is based on the analysis of single particles isolated from Pinus Sylvestris needles.
Sinus
Definition:
(pl. ) of Sinus
(n.) An opening; a hollow; a bending.
(n.) A bay of the sea; a recess in the shore.
(n.) A cavity; a depression.
(n.) A cavity in a bone or other part, either closed or with a narrow opening.
(n.) A dilated vessel or canal.
(n.) A narrow, elongated cavity, in which pus is collected; an elongated abscess with only a small orifice.
(n.) A depression between adjoining lobes.
Example Sentences:
(1) CT scan revealed a small calcified mass in the right maxillary sinus.
(2) Our experience indicates that lateral rhinotomy is a safe, repeatable and cosmetically sound procedure that provides and excellent surgical approach to the nasal cavity and sinuses.
(3) In 3 cases the volume changes in the sinus were measured.
(4) Because of these different direct and indirect actions, a sudden cessation of sinus node activity or sudden AV block may result in the diseased heart in a prolonged and even fatal cardiac standstill, especially if the tolerance to ischemia of other organs (notably the brain) is decreased.
(5) Electromechanic dissociation, sinus bradycardia, nodal rhythm followed by idioventricular rhythm and asystole, were observed following myocardial rupture.
(6) The clinical and roentgenographic features of xanthogranulomatosis bear a close resemblance to those seen in two fibrosclerosing syndromes: sinus histiocytosis with massive lymphadenopathy and retroperitoneal fibrosis.
(7) It is usually associated with a left superior caval vein draining into the coronary sinus and is frequently part of a complex congenital malformation of the heart.
(8) Sinus lining cells give rise to a well defined entity of neoplasia which is proposed to be termed sinus lining cell reticulosarcoma.
(9) The region of the tentorium and straight sinus can occasionally give rise to a vermiform appearance (the "AVM artifact").
(10) The recorded APs were further subdivided into those exhibiting consistent antegrade conduction during sinus rhythm (overt APs: 50 left APs, eight right APs), those exhibiting intermittent antegrade conduction (intermittent APs: six left APs, two right APs), and those exhibiting only retrograde conduction (concealed APs: 33 left APs, two right APs).
(11) A total of 6 cases of sick sinus syndrome were presented, including 2 cases of sinoatrial (SA) block and 4 cases of bradycardia-tachycardia syndrome.
(12) The interobserver variability of these indices is low (r greater than 0.96); reproducibility is good in patients with sinus rhythm but mediocre in atrial fibrillation.
(13) 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.
(14) In order to study cerebrospinal fluid (CSF) absorption across the dural sinus wall, the effect of CSF pressure (recorded from the cisterna magna) on dural venous pressure (recorded from the transverse sinus) was investigated in groups of rats at 2, 10, 20, and 31 days after birth and in adulthood.
(15) All of the above patients had an acute inferior myocardial infarction, and in 10 of the 12 patients with supraventricular arrhythmias and in four of five with sinus dysrhythmias, the origin of the sinus node artery started just after an occluded right coronary or left circumflex artery or was involved in the occlusion.
(16) The normal anatomical position of the point of junction of the superficial cerebral veins with the superior sagittal and transverse sinuses of the rat was studied with an analytical mathematical method.
(17) Most symptoms come from the ciliated airways (nose, paranasal sinuses, and bronchs) and from the middle ear.
(18) In 6 patients electrograms were recorded after sinus rhythm was reestablished, and all showed marked decreases or disappearance of fragmentation.
(19) Direct visualization of the intercavernous sinuses on contrast-enhanced MR images may serve as an ancillary sign for the diagnosis of carotid-cavernous or carotid-dural fistulas near the sella.
(20) Drainage of contrast medium from the maxillary sinus during blowing and sniffing was studied by cine-roentgenography in 11 healthy subjects.