(v. t.) To cross with lines in a peculiar manner in drawing and engraving. See Hatching.
(v. t.) To cross; to spot; to stain; to steep.
(v. t.) To produce, as young, from an egg or eggs by incubation, or by artificial heat; to produce young from (eggs); as, the young when hatched.
(v. t.) To contrive or plot; to form by meditation, and bring into being; to originate and produce; to concoct; as, to hatch mischief; to hatch heresy.
(v. i.) To produce young; -- said of eggs; to come forth from the egg; -- said of the young of birds, fishes, insects, etc.
(n.) The act of hatching.
(n.) Development; disclosure; discovery.
(n.) The chickens produced at once or by one incubation; a brood.
(n.) A door with an opening over it; a half door, sometimes set with spikes on the upper edge.
(n.) A frame or weir in a river, for catching fish.
(n.) A flood gate; a a sluice gate.
(n.) A bedstead.
(n.) An opening in the deck of a vessel or floor of a warehouse which serves as a passageway or hoistway; a hatchway; also; a cover or door, or one of the covers used in closing such an opening.
(n.) An opening into, or in search of, a mine.
(v. t.) To close with a hatch or hatches.
Example Sentences:
(1) % hatch X 20000) of ticks from treated cattle with that of ticks from untreated cattle.
(2) Larvae from fresh water eggs, cultured in fresh water and 'normal' laboratory cultures reached 50% infectivity in 3-5 days, losing potential infectivity in 11-15 days post-hatching.
(3) Hatching commenced in early October (after 23 wk), when air and water temperatures decreased to 20 and 15 degrees C, respectively, and continued until mid-December (32 wk) in the field.
(4) Prolactin plasma concentrations decreased rapidly at the end of incubation in ducks which successfully hatched young as well as in unsuccessful incubators.
(5) Although the chicks were behaviorally and electrophysiologically blind at the time of hatching, their retinas appeared morphologically comparable to normal chicks at this stage.
(6) Attach self-adhesive foam strips, or metal strips with brushes or wipers attached, to window, door and loft-hatch frames (if you have sash windows, it's better to ask a professional to do it).
(7) Statistical analysis has shown the following: a) the growth inhibition, which is especially distinct in autumn-spring generation, takes place in the Ist instar larvae 1.76-2.20 mm long inhabiting the walls of the nasal cavity and concha (their average body length at hatching is 1.08 plus or minus 0.004 mm); the inhibition is associated with interpopulation relations and apparently does not depend on the date of its beginning and can last from 6 to 7 months; c) after the growth resumption the development continues uninterruptedly up to the moulting; the inhibition is also possible at the beginning of the 2nd instar and then the development proceeds without any intervals up to the complete maturation of larvae.
(8) In house flies, Musca domestica L., eggs fertilized with sperm that have chromosome deficiencies and duplications do not hatch, but develop to a stage where a fully differentiated, prehatch larva is formed.
(9) Results showed that embryos stimulated by clicks began breathing about nine hours in advance of unstimulated controls and hatched about 23 hours in advance.
(10) In hatched larvae around developmental stage 46, strong expression of 2NI-36 was observed in several tissues including the vascular endothelium, the pigmented epithelium and the inner layer of skin epidermis.
(11) The presence of glutamic acid decarboxylase (GAD) and gamma-aminobutyric acid (GABA) was investigated in neuroretina sections from hatching quail embryos by immunocytochemistry.
(12) Tibial breaking strength and tibial percentage ash of the progeny at hatching was markedly improved in proportion to maternal phosphorus and food intake.
(13) In contrast, the HNK-1 CSPG was present as early as embryonic day 4 and remained constant through hatching.
(14) Titers of the poults were monitored for 7 weeks, and poults were challenged by exposure to infected poults at 1, 7, 14, and 21 days post-hatch.
(15) Allomorphic relationships in chickens selected for high or low juvenile body weight and their reciprocal crosses were examined from hatch to 56 days of age (doa).
(16) Hatching readily occurred in deionized water, but the emerged miracidia did not swim longer than 5 to 10 min unless Na+ was added.
(17) The present study investigated the ontogeny of 3H-uridine incorporation into RNA as a measure for RNA synthesis in preimplantation porcine embryos from the two-cell stage up to the stage of the newly hatched blastocyst.
(18) Blastocyst formation, hatching of blastocysts, and the number of cells per embryo were affected by this increase in radiation risk.
(19) The embryogenesis of the proctodeal gland and development of the connective tissue of the associated lamina propria in the dorsal wall of the proctodeum of Common Coturnix (Coturnix c. japonica) were studied on embryos collected at 12-hour intervals from day 7 of incubation through hatching.
(20) Tooth germs are formed partly by cells of the stomodeal collar and partly by mesenchymal cells and calcification takes place before hatching.
Maintenance
Definition:
(n.) The act of maintaining; sustenance; support; defense; vindication.
(n.) That which maintains or supports; means of sustenance; supply of necessaries and conveniences.
(n.) An officious or unlawful intermeddling in a cause depending between others, by assisting either party with money or means to carry it on. See Champerty.
Example Sentences:
(1) Thirty-two patients (10 male, 22 female; age 37-82 years) undergoing maintenance haemodialysis or haemofiltration were studied by means of Holter device capable of simultaneously analysing rhythm and ST-changes in three leads.
(2) 5-Azacytidine (I) stability was increased approximately 10-fold over its stability in water or lactated Ringer injection by the addition of excess sodium bisulfite and the maintenance of pH approximately 2.5.
(3) Squadron Leader Kevin Harris, commander of the Merlins at Camp Bastion, the main British base in Helmand, praised the crews, adding: "The Merlins will undergo an extensive programme of maintenance and cleaning before being packed up, ensuring they return to the UK in good order."
(4) There is no evidence that health-maintenance organizations reduce admissions in discretionary or "unnecessary" categories; instead, the data suggest lower admission rates across the board.
(5) These results suggest that a certain minimum level of expression of c-myc is required for the maintenance of ras transformation in NIH 3T3 cells.
(6) Maintenance therapy was always steroid-free to start with (cyclosporin+azathioprine) but in almost one half of our oldest survivors, it failed to avoid rejection and we had to add low-dose oral steroids for at least several months.
(7) This quantitative characterization of the properties of conduction and refractoriness of both the accessory pathway and ventriculoatrial conduction system and the relation between these characteristics and the accessory pathway location in ART patients provides additional insight into the prerequisites for the initiation and maintenance of this rhythm disturbance.
(8) The last stems from trends such as declining birth rate, an increasingly mobile society, diminished importance of the nuclear family, and the diminishing attractiveness of professions involved with providing maintenance care.
(9) During anaesthesia with 60-70 per cent N2O in O2 and 0.2 per cent isoflurane, a maintenance dose (MD) of fentanyl was administered using a continuous variable-rate IV fentanyl infusion, supplemented by intermittent 50 micrograms IV boluses.
(10) To assess the role of amniotic fluid (AMF) in the maintenance of pregnancy, immunosuppressive effects of AMF were studied in vivo, and the mechanisms of suppressor activity were analyzed immunologically in vitro in the rat.
(11) The purpose of this study was to investigate a tumor cell vaccine delivered via peripheral lymphatics as maintenance therapy after induction of remission with chemotherapy.
(12) The changes in muscle activity had the same pattern and similar phase-frequency properties to those observed under analogous vestibular stimulation during the maintenance of steady posture.
(13) P-450 encoding structural genes but may rather be related to abnormalities in the function of regulatory systems of a higher order which may play a central role in the maintenance of cell homeostasis.
(14) Proper maintenance of body orientation was defined to be achieved if the net angular displacement of the head-and-trunk segment was zero during the flight phase of the long jump.
(15) Nitrous oxide (N2O) is frequently used for maintenance of anesthesia in research animals because of its minimal effect upon circulatory variables and the ability to rapidly alter its anesthetic concentration.
(16) Measurements were repeated at the end of an 8-week maintenance phase.
(17) After 40 programmed minutes of acquisition and 12 min of maintenance, without notice, both schedules changed to extinction for 28 min.
(18) After loss of permanent central incisors the treatment of choice could be either orthodontic closure or maintenance of the gap for a replacement-prosthetic, autotransplantation or implant.
(19) Intense staining for angiotensin-(1-7) immunoreactivity was demonstrable in brain areas related to the maintenance of hydromineral balance, suggesting the involvement of this peptide in this process.
(20) The clinical indications for ECT as a primary treatment of choice, a secondary treatment, and a maintenance or prophylactic treatment for depression are described.