(n.) One of the leaves of the corolla, or the colored leaves of a flower. See Corolla, and Illust. of Flower.
(n.) One of the expanded ambulacra which form a rosette on the black of certain Echini.
Example Sentences:
(1) Primin itself was obtained from Primula elatior and from the petals (corollas) of Primula obconica.
(2) Osmotic gradient across the membrane of nonsonicated liposomes and rose petal protoplasts are shown to induce swelling.
(3) The prosthesis is fixed by the interaction of magnetic pondermotive forces between two soft petals of a magnetoelastomer.
(4) In agamous-1, stamens to petals; in apetala2-1, sepals to leaves and petals to staminoid petals; in apetala3-1, petals to sepals and stamens to carpels; in pistillata-1, petals to sepals.
(5) They gradually displayed active membrane pseudopodia, thorn-like processes and petal-like ruffles after 2 h to 4 h of cultivation.
(6) The method was used to analyze the free amino acid pool in carnation petals.
(7) The highest glucosyltransferase activity was found in petals of opening flowers of young plants.
(8) When a variety of shotguns were tested, it was found that one weapon with a very short barrel and cylinder bore did not exhibit petal spread until a range of 30 cm was reached.
(9) Two petal mRNA classes were identified that are present at elevated levels relative to other organs.
(10) This study explores the extent of mild to significant malnutrition in the squatter settlement of Kampung Baiduri located adjacent to an industrial area in Petaling Jaya.
(11) 3R-[2-(14)C]Mevalonate was incorporated into geranyl and neryl beta-d-glucosides in petals of Rosa dilecta in up to 10.6% yield, and the terpenoid part was specifically and equivalently labelled in the moieties derived from isopentenyl pyrophosphate and 3,3-dimethylallyl pyrophosphate.
(12) In the case of the Kalanchoe rhythm, mainly the process of the petal opening is affected.
(13) In the electron microscope these complexes appear as a rosette of petals.
(14) Shotcup petal abrasions centered around a shotgun wound of entrance are generally thought to occur at a range of 30 to 90 cm.
(15) Yuri's gaze turns back to the sky, peppered now with dry fallen leaves (a premonition, perhaps, of the petals cast before the viceroy in A Passage to India).
(16) Each molecule appeared to be composed of two kinds of particles, with one larger central particle and smaller peripheral particles and had shapes resembling that of a flower with 8 or 10 "petals".
(17) But I hear it constantly from some of the precious petals, can I say, some of the precious petals in the science fraternity, and if you can’t guess, I won’t accept it.” Australia had a dedicated science portfolio in cabinet since the 1930s until Abbott’s decision to fold the role into Macfarlane’s purview.
(18) In the families of flowering plants in which these organs occur, they are patterned with the sepals in the outermost whorl or whorls of the flower, with the petals next closest to the center, the stamens even closer to the center, and the carpels central.
(19) The programmed senescence of carnation (Dianthus caryophyllus L.) petals requires active gene expression and is associated with the expression of several senescence-related mRNAs.
(20) In petunia, the gene Po regulates the expression of CHI in anthers: PoPo petunia lines contain CHI enzyme activity in petals and anthers, whereas popo lines contain the CHI enzyme only in petals but not in anthers.
Single
Definition:
(a.) One only, as distinguished from more than one; consisting of one alone; individual; separate; as, a single star.
(a.) Alone; having no companion.
(a.) Hence, unmarried; as, a single man or woman.
(a.) Not doubled, twisted together, or combined with others; as, a single thread; a single strand of a rope.
(a.) Performed by one person, or one on each side; as, a single combat.
(a.) Uncompounded; pure; unmixed.
(a.) Not deceitful or artful; honest; sincere.
(a.) Simple; not wise; weak; silly.
(v. t.) To select, as an individual person or thing, from among a number; to choose out from others; to separate.
(v. t.) To sequester; to withdraw; to retire.
(v. t.) To take alone, or one by one.
(v. i.) To take the irrregular gait called single-foot;- said of a horse. See Single-foot.
(n.) A unit; one; as, to score a single.
(n.) The reeled filaments of silk, twisted without doubling to give them firmness.
(n.) A handful of gleaned grain.
(n.) A game with but one player on each side; -- usually in the plural.
(n.) A hit by a batter which enables him to reach first base only.
Example Sentences:
(1) The influence of the various concepts for the induction of lateral structure formation in lipid membranes on integral functional units like ionophores is demonstrated by analysing the single channel current fluctuations of gramicidin in bimolecular lipid membranes.
(2) Renal micropuncture and microdissection techniques with ultramicro fluid analysis have been applied to evaluate single nephron function in the skate, Raja erinacea.
(3) Single-case experimental designs are presented and discussed from several points of view: Historical antecedents, assessment of the dependent variable, internal and external validity and pre-experimental vs experimental single-case designs.
(4) Microionophoretically applied excitatory amino acids induced firing of extracellularly recorded single units in a tissue slice preparation of the mouse cochlear nucleus, and the similarly applied antagonist 2-amino-5-phosphonovalerate (2APV) was demonstrated to be a selective N-methyl-D-aspartate (NMDA) receptor antagonist.
(5) The coefficient of variation in the integrated area of a single peak is 16%.
(6) The diffusion of Myocamicin in the prostatic tissue of patients undergoing prostatectomy after a single oral dose of 600 mg has been studied.
(7) Infection with opportunistic organisms, either singly or in combination, is known to occur in immunocompromised patients.
(8) Radioligand binding studies revealed the presence of a single class of high-affinity (Kd = 2-6 X 10(-10) M) binding sites for ET-1 in both cells, although the maximal binding capacity of cardiac receptor was about 6- to 12-fold greater than that of vascular receptor.
(9) Pituitary weight, mitotic index and chromosomes were studied in male rats following a single or repeated dose of estradiol-benzoate for a total period of 210 days.
(10) The manufacturers, British Aerospace describe it as a "single-seat, radar equipped, lightweight, multi-role combat aircraft, providing comprehensive air defence and ground attack capability".
(11) Cop rats, however, possess a single 'suppressor' gene which confers complete resistance to mammary cancer.
(12) Comparison if single injections of MSB and atropine in normal subjects also demonstrated a more reliable dose-response relationship with MSB.
(13) Since interferon alfa-2b (Intron A) is useful as a single agent, it is important to determine if interferon can be combined with standard chemotherapy to improve both response and survival in patients with cancer.
(14) This suggests that Mg2+ accelerated both reactions from a single class of site.
(15) In crosses between inverted repeats, a single intrachromatid reciprocal exchange leads to inversion of the sequence between the crossover sites and recovery of both genes involved in the event.
(16) Median effect analysis was applied for the evaluation of in vitro effect by the growth inhibition, and the in vivo effect by comparison of the increase of life span (ILS) in a combined group with the sum of ILS's in 2 single agent groups.
(17) Certainly, Saunders did not land a single blow that threatened to stop his opponent, although he took quite a few himself that threatened his titles in the final few rounds.
(18) The results indicated that roughly 25% of patients treated in this way will become hypothyroid after 5 years and that 85% are cured (need no further therapy during the follow-up period) using a single dose of iodine-131.
(19) In the triploids, the 40 female chromosomes present (mouse, n = 20) were derived from a single diploid pronucleus formed after the extrusion of a first polar body, and following the monospermic fertilization of primary oocytes.
(20) Such an approach to investigations into subclinical mastitis is not feasible by means of either single- or double-parameter techniques.