(n.) An ament; a species of inflorescence, consisting of a slender axis with many unisexual apetalous flowers along its sides, as in the willow and poplar, and (as to the staminate flowers) in the chestnut, oak, hickory, etc. -- so called from its resemblance to a cat's tail. See Illust. of Ament.
Example Sentences:
(1) The extracts with the broadest spectra of activity were prepared from: Alnus rubra bark and catkins, Fragaria chiloensis leaves, Moneses uniflora aerial parts, and Rhus glabra branches.
(2) Dot immunoblotting of crude extracts of various aerial parts of birch trees, using patient serum rich in birch pollen IgE, showed IgE-binding activity in leaves, buds, twigs, seeds, bark, and old male catkins.
(3) Ginger, pippali (native to India; also called dried catkins), pepper, and garlic showed the highest activity followed by asafetida, mustard, and horse-gram (native to India).
(4) The current 2012 edition maintained the changes, and instead of catkin, cauliflower, chestnut and clover, today’s edition of the dictionary, which is aimed at seven-year-olds starting Key Stage Two, features cut and paste, broadband and analogue.
(5) Hazel catkins were profuse, catching out hay fever sufferers late in the month.
(6) • Hazel catkins, which usually appear in March and April, appeared early in autumn at Washington Old Hall, Tyne and Wear, for the second year running • Mammals generally entered the winter in good condition, especially badgers, wild deer, and the wild sheep and goats in Cheddar Gorge.
(7) You can also lobby your local council to get trees planted that are bee-friendly, such as hazel and alder whose catkins provide a vital source of pollen in the spring, when the bees need this protein to feed to their young, expanding colony.
(8) Mica flecks in ancient granite shone like gold dust in caramel-coloured streams, beech trees were decorated with delicately suspended catkins and the upland breezes infused with coconut-like scent from early flowering gorse.
Spike
Definition:
(v. t.) To set or furnish with spikes.
(v. t.) To fix on a spike.
(n.) A sort of very large nail; also, a piece of pointed iron set with points upward or outward.
(n.) Anything resembling such a nail in shape.
(n.) An ear of corn or grain.
(n.) A kind of flower cluster in which sessile flowers are arranged on an unbranched elongated axis.
(v. t.) To fasten with spikes, or long, large nails; as, to spike down planks.
(v. t.) To stop the vent of (a gun or cannon) by driving a spike nail, or the like into it.
(n.) Spike lavender. See Lavender.
Example Sentences:
(1) It was tested for recovery and separation from other selenium moieties present in urine using both in vivo-labeled rat urine and human urine spiked with unlabeled TMSe.
(2) The pons, on the other hand, has a bioelectrical activity of its own during PS, i.e., the ponto-geniculo-occipital spikes (PGO).
(3) The spikes likely correspond to VP3, a hemagglutinin, while the rest of the mass density in the outer shell represents 780 molecules of VP7, a neutralization antigen.
(4) In this series there were 45 patients (40%) with independent focal interictal EEG epileptic abnormalities over frontobasal cortex (with or without independent spiking over interomedial temporal region).
(5) It was shown that gradual recovery of spike wave patterns occurred from initial water swallowing to successive dry swalllowing.
(6) One might expect that a similar news spike and rebounding of support for stricter gun control can happen, given President Obama's new push.
(7) By this action, oxytocin is believed to increase the probability of successful regenerative spikes and thereby initiate electrical activity in quiescent preparations, increase the frequency of burst discharges, the number of spikes in each burst, and the amplitude of spikes in individual cells.
(8) The differentiated neuroblastoma cell possesses characteristics of an electrically excitable cell and can generate propagated potential spikes in which Ca2+ is the inward charge carrier.
(9) Jane's life clearly still has a massive Spike-shaped hole in it.
(10) Our hypothesis is that phase unlocking may be one of the induction mechanisms of spike-burst activity.
(11) The threshold of epileptic spiking varied inversely with the area of cortical damage inflicted by the electrode.
(12) In some ways, the Gandolfini performance that his fans may savour most is his voice work in Spike Jonze's Where the Wild Things Are (2009), the cult screen version of Maurice Sendak 's picture book classic – he voiced Carol, one of the wild things, an untamed, foul-mouthed figure.
(13) The best understood fusion mechanism is that of influenza virus, for which sequences involved in pH-dependent fusion can be correlated with the crystallographic structure of the spike protein.
(14) Single shocks applied to medullary pressor sites evoked a train of spikes in the interneurons.
(15) Many subjects have a negative spike in the beginning of a saccade in electro-oculographic signals.
(16) This enhancement of laminin synthesis corresponds to the mesangial expansion and to the development of laminin-containing spike formations of the glomerular basement membrane at week 8.
(17) A train of conditioning stimuli to either of the midbrain nuclei produced inhibition of evoked population spikes recorded in the CA1 pyramidal cell layer of the hippocampus.
(18) The brief (3 ms) afterhyperpolarizations that followed such spikes were blocked by intracellular injections of Cs+ or by bath applications of tetraethylammonium.
(19) They discharged one or two spikes only at the beginning of depolarizing current pulses.
(20) An increase followed by a decrease in the number of spikes per burst and a reduction in the peak activity were observed.