(n.) A glucoside obtained as a white crystalline substance by partial oxidation of salicin, from a willow (Salix Helix of Linnaeus.)
Example Sentences:
(1) Fluorescence histochemistry shows that helicine arteries are provided with an extremely dense network of adrenergic nerves located at the medio-adventitial border.
(2) The density of nerve fibres was particularly high around the subendothelial cushions of the helicine arteries.
(3) In the helicine artery and bulbus glandis, field stimulation evoked contractions and these contractions were abolished by guanethidine or TTX, indicating that these muscles are innervated by adrenergic excitatory nerve fibres.
(4) The epitheloid modified walls of helicine arteries are built of tightly arranged specialized smooth muscle cells (epitheloid cells).
(5) Endothelial cells in helicine arteries react on unspecific alkaline phosphatase, while the endothelium of deep arteries and of the cavernous spaces does not.
(6) Polsters protruding into the lumen of the distal helicine arteries regulate blood flow into the cavernous spaces.
(7) In our experience the injection of papaverine during the test has provided a better visualization of cavernous arteries and helicine branches.
(8) Among 34 plant phenolic compounds tested, arbutin, phenyl-beta-D-glucopyranoside, and salicin were shown to be strong inducers of syrB, giving rise to approximately 1,200 U of beta-galactosidase activity at 100 microM; esculin and helicin were moderate inducers, with about 250 to 400 U of beta-galactosidase activity at 100 microM.
(9) It is considered that, when the valve of the helicine artery opens, blood flows into the cavernous sinuses, expanding them, and as a result the outflowing vein is compressed between the sinuses and the albuginea, or the albuginea itself, acting like a valve and therefore assuming an important function in maintaining erection by disturbing the reflux of blood flow.
(10) The effect of the aromatic aldehydes benzaldehyde and salicylaldehyde, the glucose-acetal derivative 4,6-benzylidene-D-glucose (BG) and the glucoside salicylaldehyde-beta-D-glucoside (helicin) on cell inactivation induced by cis-dichlorodiammineplatinum (cis-DDP) was investigated using cultured human NHIK 3025 cells.
(11) While helicin retains the aldehyde moiety of salicylaldehyde, BG does not possess any free aldehyde group.
(12) The addition of histamine dihydrochloride to the perfusion solutions shows a slight vasodilator effect mainly on the subcapsular penicillar arterioles, including the helicine arterioles.
(13) Blood may also be redirected from anastomoses between the dorsal arteries and corpus spongiosum through other helicine arterioles supplying the sinusoids of the corpus cavernosum.
(14) The neural control of smooth muscle cells in the corpus spongiosum, helicine artery and bulbus glandis of the dog was investigated in relation to the mechanism involved in erection, using isometric tension recording and micro-electrode methods.
(15) It is suggested that the helicine arteries open during tumescence, thereby diverting blood from the shunt vessels into the dilating sinuses, and that the rising intracavernosal pressure eventually occludes the shunt vessels.
(16) The epithelioid cells constituting the media of the helicine branches of the deep artery vary in their fine structure from close resemblance to muscle cells, to cells with easily identified special features.
(17) The neural mechanism involved in erection is discussed in relation to the topical difference in the autonomic innervation patterns in the corpus spongiosum, helicine artery and bulbus glandis.
(18) The mesenchymal cells are also associated with the helicine arterial sprouts at this time period.
(19) Only the helicine arteries which drained into the cavernous sinuses displayed subendothelial cushions.
(20) Helicine arteries of the crura, but not the parent deep penile artery or arteries elsewhere, have muscular cushions in their walls.
Willow
Definition:
(n.) Any tree or shrub of the genus Salix, including many species, most of which are characterized often used as an emblem of sorrow, desolation, or desertion. "A wreath of willow to show my forsaken plight." Sir W. Scott. Hence, a lover forsaken by, or having lost, the person beloved, is said to wear the willow.
(n.) A machine in which cotton or wool is opened and cleansed by the action of long spikes projecting from a drum which revolves within a box studded with similar spikes; -- probably so called from having been originally a cylindrical cage made of willow rods, though some derive the term from winnow, as denoting the winnowing, or cleansing, action of the machine. Called also willy, twilly, twilly devil, and devil.
(v. t.) To open and cleanse, as cotton, flax, or wool, by means of a willow. See Willow, n., 2.
Example Sentences:
(1) Flight behavior was also typical for willow ptarmigan incubating in captivity.
(2) Words included in this title include mistletoe, gerbil, acorn, goldfish, guinea pig, dandelion, starling, fern, willow, conifer, heather, buttercup, sycamore, holly, ivy, and conker.
(3) Dairy farmer Dave Lawrence took the Guardian to the spot where the beavers are usually seen, close to an island in the river thick with nettles, willow and thistles.
(4) The rats produced IgE antibodies to each of the allergens used (maple, willow, poplar, ash, oak, sycamore, hickory, walnut, birch, and elm), yet the allergens had extremely limited cross-reactivity.
(5) In wild incubating willow ptarmigan, further approach led to tachycardia and increased respiration.
(6) Other popular Mackintosh designs in his home town of Glasgow include the Lighthouse, the Willow Tearooms and House for an Art Lover in Bellahouston Park.
(7) The tortoises also rapidly dropped into the water, as our boat ruffled the surface amid the willows breaking the reflections of the trees.
(8) Who wouldn’t fall in love with Mole from Wind in the Willows, Jo from Little Women, Tiny Tim from Christmas Carol or Roberta from The Railway Children?” At Wordsworth Editions, the independent press that publishes around 220 classic titles for £1.99 apiece, managing director Helen Ranson said she was “delighted” that Gibb was addressing the issue of providing classics affordably to schools.
(9) Nearly 12 years after conservationists asked government to help save the disappearing water vole, the whiskered creature that inspired the character Ratty in Kenneth Grahame's Wind in the Willows - along with seahorses, a shark and an edible snail - has become one of Britain's most protected species.
(10) Meanwhile Chris Sutcliffe has a scorched-earth policy when it comes to the old knotweed: "I had an infestation of Rosebay Willow Herb and successfully got rid of it by introducing pigs and a severe electric fence."
(11) This study compared plasma levels of dihydrotestosterone, testosterone, corticosterone, luteinizing hormone, growth hormone, and prolactin in migrating juvenile willow tits with those in territorial juveniles.
(12) 1.09pm GMT Local reaction to Lord Smith’s visit, such as this from farmer John Coate, seems largely negative: steven morris (@stevenmorris20) Willow farmer Jonathan Coate: glad David Cameron has promised action.
(13) Small birds rose up in clouds from the pond’s edge: chaffinches, bramblings, a flock of long-tailed tits that caught in willow branches like animated cotton buds.
(14) In writing his autobiography, he admits he may be putting a writerly shine on his past, but he believes his literary fate stretches back to when he first picked up a copy of The Wind in the Willows , aged 10.
(15) Asked why his first stop was not one of the flooded villages but a high – and therefore dry – willows and wetlands centre, Smith said he did not want to get in the way of emergency workers.
(16) An avenue of eight 25ft tall leafless willows stand above a sinister black pool to make the point that British woods and gardens face a host of new killer pests and diseases such as ash dieback.
(17) Just as Mr Toad had to be relieved of the keys before he flattened every living thing in Wind in the Willows , so human nature had made the advent of driverless cars pretty much inevitable even before this week’s Queen’s speech promised measures to build a market for them.
(18) That might be an occupational hazard for an investigative journalist, but if, as Peacock testified, cricketers are coming to the attention of dangerous fixers, it brings a chilling dimension to the game of leather on willow.
(19) There are seven black women gracing fall magazine covers: Willow Smith, Beyoncé, Kerry Washington, Ciara, Serena Williams, Misty Copeland and Amandla Stenberg.
(20) Education St Aelred's RC high school, Newton-le-Willows, Merseyside; Fitzwilliam College, Cambridge, MA in English.