(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.
Cross
Definition:
(n.) A gibbet, consisting of two pieces of timber placed transversely upon one another, in various forms, as a T, or +, with the horizontal piece below the upper end of the upright, or as an X. It was anciently used in the execution of criminals.
(n.) The sign or mark of the cross, made with the finger, or in ink, etc., or actually represented in some material; the symbol of Christ's death; the ensign and chosen symbol of Christianity, of a Christian people, and of Christendom.
(n.) Affiction regarded as a test of patience or virtue; trial; disappointment; opposition; misfortune.
(n.) A piece of money stamped with the figure of a cross, also, that side of such a piece on which the cross is stamped; hence, money in general.
(n.) An appendage or ornament or anything in the form of a cross; a badge or ornamental device of the general shape of a cross; hence, such an ornament, even when varying considerably from that form; thus, the Cross of the British Order of St. George and St. Michael consists of a central medallion with seven arms radiating from it.
(n.) A monument in the form of a cross, or surmounted by a cross, set up in a public place; as, a market cross; a boundary cross; Charing Cross in London.
(n.) A common heraldic bearing, of which there are many varieties. See the Illustration, above.
(n.) The crosslike mark or symbol used instead of a signature by those unable to write.
(n.) Church lands.
(n.) A line drawn across or through another line.
(n.) A mixing of breeds or stock, especially in cattle breeding; or the product of such intermixture; a hybrid of any kind.
(n.) An instrument for laying of offsets perpendicular to the main course.
(n.) A pipe-fitting with four branches the axes of which usually form's right angle.
(a.) Not parallel; lying or falling athwart; transverse; oblique; intersecting.
(a.) Not accordant with what is wished or expected; interrupting; adverse; contrary; thwarting; perverse.
(a.) Characterized by, or in a state of, peevishness, fretfulness, or ill humor; as, a cross man or woman.
(a.) Made in an opposite direction, or an inverse relation; mutually inverse; interchanged; as, cross interrogatories; cross marriages, as when a brother and sister marry persons standing in the same relation to each other.
(prep.) Athwart; across.
(v. t.) To put across or athwart; to cause to intersect; as, to cross the arms.
(v. t.) To lay or draw something, as a line, across; as, to cross the letter t.
(v. t.) To pass from one side to the other of; to pass or move over; to traverse; as, to cross a stream.
(v. t.) To pass, as objects going in an opposite direction at the same time.
(v. t.) To run counter to; to thwart; to obstruct; to hinder; to clash or interfere with.
(v. t.) To interfere and cut off; to debar.
(v. t.) To make the sign of the cross upon; -- followed by the reflexive pronoun; as, he crossed himself.
(v. t.) To cancel by marking crosses on or over, or drawing a line across; to erase; -- usually with out, off, or over; as, to cross out a name.
(v. t.) To cause to interbreed; -- said of different stocks or races; to mix the breed of.
(v. i.) To lie or be athwart.
(v. i.) To move or pass from one side to the other, or from place to place; to make a transit; as, to cross from New York to Liverpool.
(v. i.) To be inconsistent.
(v. i.) To interbreed, as races; to mix distinct breeds.
Example Sentences:
(1) However, when cross-linked to anti-CD4 or anti-CD8 antibodies a markedly enhanced proliferation of the corresponding subpopulation is observed.
(2) The cross sectional area of the aortic lumen was gradually decreased while the length of the stenotic lesion gradually increased by using strips with different width.
(3) The quaternary structure of ribonucleotide reductase of Escherichia coli was investigated, with the use of purified B1 and B2 proteins and bifunctional cross-linking agents.
(4) Multiple overlapping thin 3D slab acquisition is presented as a magnitude contrast (time of flight) technique which combines advantages from multiple thin slice 2D and direct 3D volume acquisitions to obtain high-resolution cross-sectional images of vessel detail.
(5) The mobility on sodium dodecyl sulfate-polyacrylamide gel electrophoresis is anomalous since the undenatured, cross-linked proteins have the same Stokes radius as the native, uncross-linked alpha beta gamma heterotrimer.
(6) 10D1 mAb induced a substantial proliferation of peripheral blood T cells when cross-linked with goat anti-mouse Ig antibody.
(7) Mapping of the cross-link position between U2 and U6 RNAs is consistent with base-pairing between the 5' domain of U2 and the 3' end of U6 RNA.
(8) There was however no difference in the cross-sectional studies and no significant deleterious effect detected of tobacco use on forearm bone mineral content.
(9) Plasma for beta-endorphin assay was preincubated with sepharose-bound anti-beta-lipotropin to remove beta-lipotropin that cross-reacted with the beta-endorphin RIA.
(10) In crosses between inverted repeats, a single intrachromatid reciprocal exchange leads to inversion of the sequence between the crossover sites and recovery of both genes involved in the event.
(11) Further purification of ZAB by filtration through Sephadex G-100 gave a preparation (ZAB2) which contained the common antigen as shown by the cross-reactivity of anti-ZAB2 rat serum with seven stains of N. gonorrhoeae.
(12) On the other hand, as a cross-reference experiment, we developed a paper work test to do in the same way as on the VDT.
(13) No reversions to wild-type levels were observed in 555 heterozygous offspring of crosses between homozygous Campines and normals.
(14) No cross reactions were found between bluetongue and epizootic haemorrhagic disease of deer viruses.
(15) Seven patients were treated with combination chemotherapy, consisting of CHOP (cyclophosphamide, doxorubicin, vincristine, prednisone) or MOPP (chloromethine, vincristine, procarbazine, prednisone), in some cases followed by non-cross-resistant second line chemotherapy, if no complete response was attained.
(16) [125I]AaIT was shown to cross the midgut of Sarcophaga through a morphologically distinct segment of the midgut previously shown to be permeable to a cytotoxic, positively charged polypeptide of similar molecular weight.
(17) Blood was cross-matched preoperatively in 47.7% of patients and 90% of this blood was either not administered or given as a delayed nonurgent procedure.
(18) Conjugational recombination in Escherichia coli was investigated by monitoring synthesis of the lacZ+ product, beta-galactosidase, in crosses between lacZ mutants.
(19) Crossed immunoelectrophoresis and sucrose density gradient ultracentrifugation of the patient's plasma showed his prothrombin to be qualitatively indistinguishable from normal prothrombin by these techniques.
(20) Eighty micrograms of the topically active parasympatholytic drug ipratropium were applied intranasally four times daily in 20 adults with perennial rhinitis and severe watery rhinorrhoea in a double-blind controlled cross-over trial.