(n.) A tuft, or other excrescence or natural ornament, growing on an animal's head; the comb of a cock; the swelling on the head of a serpent; the lengthened feathers of the crown or nape of bird, etc.
(n.) The plume of feathers, or other decoration, worn on a helmet; the distinctive ornament of a helmet, indicating the rank of the wearer; hence, also, the helmet.
(n.) A bearing worn, not upon the shield, but usually above it, or separately as an ornament for plate, liveries, and the like. It is a relic of the ancient cognizance. See Cognizance, 4.
(n.) The upper curve of a horse's neck.
(n.) The ridge or top of a wave.
(n.) The summit of a hill or mountain ridge.
(n.) The helm or head, as typical of a high spirit; pride; courage.
(n.) The ornamental finishing which surmounts the ridge of a roof, canopy, etc.
(n.) The top line of a slope or embankment.
(v. t.) To furnish with, or surmount as, a crest; to serve as a crest for.
(v. t.) To mark with lines or streaks, like, or regarded as like, waving plumes.
(v. i.) To form a crest.
Example Sentences:
(1) Hence, the absence of NGF receptors on premigratory neural crest and early migratory neural crest cultures was not due to enzymatic alterations of the receptor.
(2) Predominantly observed defects included neural crest cells in ectopic locations, both within and external to the neural tube, and mildly deformed neural tubes containing some dissociating cells.
(3) Our results suggest that cAMP may be an important regulator of phenotypic expression in at least some neural crest cell lineages.
(4) Neural crest cells give rise to various essential tissues in vertebrates.
(5) In the present study, we have compared the phosphorylation state of the fibronectin receptor in motile neural crest and somitic cells, in stationary somitic cells, and in Rous-sarcoma virus transformed-chick embryo fibroblasts, using immunoprecipitation following metabolic labeling.
(6) The staining method consisted of sequential treatment of slides with crest serum, fluorosceinated goat-antihuman and swine-antigoat antibodies, and propidium iodide.
(7) The participation of neural crest cells in development of the dermal skeleton is discussed by way of the repartition of the odontods within the pectoral fin.
(8) The talus was revascularized with a vascularized corticocancellous iliac crest bone graft.
(9) When the method proposed by Trela (1975) is applied, thin layers of the petrous crest are chiselled out until the common crus of the superior and posterior semi-circular becomes apparent.
(10) The center of resistance was located at 0.24 times the root length measured apical to the level of alveolar crest.
(11) By means of immunoreactivity for spot 35 protein, a novel cerebellar Purkinje cell-specific protein, the regional heterogeneity among non-pigmented ciliary epithelial cells of rats was demonstrated with reference to the antero-posterior and crest-valley directions of individual ciliary epithelial folds in immature and mature eyes.
(12) This is done by scoring the septal cartilage in its basal attachment to the maxillary crest, providing a "swinging door" which can be sutured finally as desired.
(13) The type II, III, IV, and V boutons appear mature at all ages examined but crest synapses formed by the type III terminals are observed in the later stages of the study.
(14) The use of the pectoralis major muscle only flap in conjunction with a free iliac crest bone graft for reconstruction of the mandible is described.
(15) The outer coat turned to be extremely sculptured, presenting as interlaced crests of various height.
(16) The effects of AAGTP are different in nervous tissue from other tissues, and experiments with that nucleotide have led to the discovery of a new, 32 kDa GTP-binding protein which appears only in neural crest cells.
(17) The neural crest has been suggested as the origin of the ectomesenchymomas.
(18) He had huge eyes, a wide, deep brow, an angel's mouth, with the upper lip crested.
(19) We have examined the distribution and function of the defined cell adhesion molecules, N-cadherin and N-CAM, in the emigration of cranial neural crest cells from the neural tube in vivo.
(20) On E7, a slender neuropil was present in the migrating cell clusters, but all the crest derived cells were uniform.
Shield
Definition:
(n.) A broad piece of defensive armor, carried on the arm, -- formerly in general use in war, for the protection of the body. See Buckler.
(n.) Anything which protects or defends; defense; shelter; protection.
(n.) Figuratively, one who protects or defends.
(n.) In lichens, a Hardened cup or disk surrounded by a rim and containing the fructification, or asci.
(n.) The escutcheon or field on which are placed the bearings in coats of arms. Cf. Lozenge. See Illust. of Escutcheon.
(n.) A framework used to protect workmen in making an adit under ground, and capable of being pushed along as excavation progresses.
(n.) A spot resembling, or having the form of, a shield.
(n.) A coin, the old French crown, or ecu, having on one side the figure of a shield.
(n.) To cover with, or as with, a shield; to cover from danger; to defend; to protect from assault or injury.
(n.) To ward off; to keep off or out.
(n.) To avert, as a misfortune; hence, as a supplicatory exclamation, forbid!
Example Sentences:
(1) 11 patients with a postoperative classification of stage D had additional external beam radiation to the pelvic and paraaortic lymph nodes with shielding of the implanted prostatic region.
(2) An effective gonadal shield should reduce the gonadal dose to a level low enough to preserve spermatogenesis in most patients.
(3) Scott was born in North Shields, Tyne and Wear, the youngest of the three sons of Colonel Francis Percy Scott, who served in the Royal Engineers, and his wife, Elizabeth.
(4) Fred had to be substituted to shield him from the crowd’s disdain.
(5) Was the Dalkon Shield so harmful in the nulliparous woman?
(6) Physicians need to prescribe the lowest possible dose of hormones in these women and counsel them to shield their face from sunlight.
(7) Moulton said his colleagues were preparing to table an offer next week that will shield 50% of the council's staff from a pay cut.
(8) Adult males acclimated to an LD 14:10 photoperiod were distributed in five experimental groups: intact controls (NO), sham-pinealectomized (S), sham-pinealectomized with black plastic shielding of the pineal region, pinealectomized (PX), and pinealectomized with the operated region shielded.
(9) In order to evaluate long-term as well as short-term effects, blood loss was measured at postinsertion levels of 6, 12, and 18 months in 72 women wearing the Lippes loop, in 73 wearing the Dalkon shield, and in 82 with TCu 300.
(10) Using the outer 2 mm of the skin-fold, and shielding the rest of the hand with a lead plate, cutaneous blood flow rate could be monitored separately.
(11) Shielded marrow self renewal capacity, a measurement reflecting primitive hematopoietic stem cell function, remained depressed and did not recover with time.
(12) We believe the shield makes the patient more comfortable and decreases the likelihood of dislodgement of the adhesive.
(13) He lost contact with his father, a lorry driver, for several years, but says that his mother - aided by his uncle - made it her mission to shield him from the crime and disorder around them.
(14) The lead shield encloses only the testes, allowing its use with nearly any radiation field that does not include the testes.
(15) "Let us arm ourselves with the weapon of knowledge and let us shield ourselves with unity and togetherness," Malala said.
(16) I’m not satisfied until I collect everything' … EFL Cup Europa League International Champions Cup Community Shield Which competition was Ian Rush talking about when he said: 'This is why cup finals are so special, because anyone can beat anyone.
(17) Nemanja Matic, more normally such a man-mountain of a midfield shield, is diminished and was beaten too easily in the air by James Morrison for the home side’s second.
(18) The results indicate that collagen shields can slowly release cyclosporin A and increase the penetration time for the drug.
(19) Shields accepted that the Irish appeared more inclined to send up their grim fiscal situation than go out and riot.
(20) Some Coalition MPs raised concerns earlier this year that transparency could expose wealthy business owners to security risks, including kidnapping , and the government prepared legislation to shield private Australian companies.