(n.) The act or process of opening; a beginning; commencement; first appearance; as, the opening of a speech.
(n.) A place which is open; a breach; an aperture; a gap; cleft, or hole.
(n.) Hence: A vacant place; an opportunity; as, an opening for business.
(n.) A thinly wooded space, without undergrowth, in the midst of a forest; as, oak openings.
Example Sentences:
(1) says Gregg Wallace opening the new series of Celebrity MasterChef (Mon-Fri, 2.15pm, BBC1).
(2) Open field behaviors and isolation-induced aggression were reduced by anxiolytics, at doses which may be within the sedative-hypnotic range.
(3) His son, Karim Makarius, opened the gallery to display some of the legacy bequeathed to him by his father in 2009, as well as the work of other Argentine photographers and artists – currently images by contemporary photographer Facundo de Zuviria are also on show.
(4) Blatter requires a two-thirds majority of the 209 voters to triumph in the opening round, with a simple majority required if it goes to a second round.
(5) Clonazepam was added to the treatment of patients with poorly controlled epilepsy in a double-blind trial and an open trial.
(6) By hybridization studies, three plasmids in two forms (open circular and supercoiled) were detected in the strain A24.
(7) It is the only fully-fledged casino to open in the region, outside Lebanon.
(8) Sixty-six patients were followed for 12 months in an open safety study.
(9) The PUP founder made the comments at a voters’ forum and press conference during an open day held at his Palmer Coolum Resort, where he invited the electorate to see his giant robotic dinosaur park, memorabilia including his car collection and a concert by Dean Vegas, an Elvis impersonator.
(10) The purpose of the present study was to analyze the effects of cromakalim (BRL 34915), a potent drug from a new class of drugs characterized as "K+ channel openers", on the electrical activity of human skeletal muscle.
(11) An opening wedge osteotomy is then directed posterior-dorsal to anterior-plantar, to effectively plantarflex the posterior aspect of the calcaneus.
(12) … or a theatre and concert hall There are a total of 16 ghost stations on the Paris metro; stops that were closed or never opened.
(13) The decline in the frequency of serious complications was primarily due to a decrease in the proportion of patients with open fractures treated with plate osteosynthesis from nearly 50% to 19%.
(14) At 100 microM-ACh the apparent open time became shorter probably due to channel blockade by ACh molecules.
(15) 'The French see it as an open and shut case,' says a Paris-based diplomat.
(16) The White House denied there had been an agreement, but said it was open in principle to such negotations.
(17) The following model is suggested: exogenous ATP interacts with a membrane receptor in the presence of Ca2+, a cascade of events occurs which mobilizes intracellular calcium, thereby increasing the cytosolic free Ca2+ concentration which consequently opens the calcium-activated K+ channels, which then leads to a change in membrane potential.
(18) The data indicate greater legitimacy and openness in discussing holocaust-related issues in the homes of ex-partisans than in the homes of ex-prisoners in concentration camps.
(19) He also plans to build a processing facility where tourists can gain firsthand experience of the fisheries industry, and to open a restaurant.
(20) He had been just asked to open their new town hall, in the hope he might donate a Shakespeare statue.
Spiracle
Definition:
(n.) The nostril, or one of the nostrils, of whales, porpoises, and allied animals.
(n.) One of the external openings communicating with the air tubes or tracheae of insects, myriapods, and arachnids. They are variable in number, and are usually situated on the sides of the thorax and abdomen, a pair to a segment. These openings are usually elliptical, and capable of being closed. See Illust. under Coleoptera.
(n.) A tubular orifice communicating with the gill cavity of certain ganoid and all elasmobranch fishes. It is the modified first gill cleft.
(n.) Any small aperture or vent for air or other fluid.
Example Sentences:
(1) The spiracular organ is a tube (skate) or pouch (shark) with a single pore opening into the spiracle.
(2) Therefore the interneurones have reciprocal effects on the antagonistic motoneurones of the spiracles.
(3) The spiracular organ is a lateral line derived receptor associated with the first gill cleft (spiracle).
(4) The LKIR neurons in the abdominal ganglia form efferent axons supplying the lateral cardiac nerves, spiracles, and the segmental perivisceral organs.
(5) During the process of emergence this gas moves into the exuvial space through the adult spiracles and then follows the exuvial fluid into the alimentary canal.
(6) Three Drosophila genes have been identified that are important in controlling the development of the head, two of which, empty spiracles and orthodenticle, have been cloned and shown to contain a homeobox.
(7) The second stage is sensitive to 31 degrees and coincides with the period of black rings formation on anterior spiracles in the 3rd laval instar.
(8) The final model which includes both tympana and spiracles is able to simulate both the hearing directionality and, in part, the frequency selectivity of the system.
(9) The reduced spiracles play little or no role in gill ventilation.
(10) Spiracles of insects open in high carbon dioxide tensions and close in high oxygen tensions.
(11) Rickettsiae-like structures were found in the salivary gland cells of Drosophila auraria during different larval and prepupal developmental stages, from the early 3rd instar up to 14 hr after spiracle inversion.
(12) The closer muscles of the left and the right spiracles of a thoracic segment are both innervated by two motoneurones, which spike in a variety of patterns during expiration.
(13) The closer motoneurones of each thoracic spiracle whose somata are in the pro-, meso- or metathoracic ganglia all receive the same excitatory synaptic inputs.
(14) They influence three aspects of ventilation; (a) the closing and opening movements of the thoracic spiracles, (b) some aspects of abdominal pumping movements and (c) the recruitment of some motoneurones controlling head pumping.
(15) We report here that three previously identified zygotic genes buttonhead (btd), empty spiracles (ems) and orthodenticle (otd) may behave like gap genes that mediate bcd function in the embryonic head.
(16) The dominant oscillator overrides local oscillators in the abdominal ganglia and thus sets the rhythm for the entire abdomen, and it also controls spiracle opening and closing in several thoracic and abdominal segments.
(17) Posterior spiracles of newly hatched first instar larvae of Hypoderma bovis (L.) and H. lineatum (DeVill.)
(18) The empty spiracles (ems) gene of Drosophila melanogaster is necessary for proper head formation and the development of the posterior spiracles.
(19) Despite this, the spiracles of one segment may remain shut while those on other segments continue to open and close rhythmically.
(20) We show that two genes, lines and empty spiracles, act downstream of tailless to repress central and promote terminal cell fates along the anteroposterior axis of the termini.