(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.
Timbre
Definition:
(n.) See 1st Timber.
(n.) The crest on a coat of arms.
(n.) The quality or tone distinguishing voices or instruments; tone color; clang tint; as, the timbre of the voice; the timbre of a violin. See Tone, and Partial tones, under Partial.
Example Sentences:
(1) Two possible versions of any instrumental timbre differed in the physical information used in their synthesis.
(2) Infants 7 to 8.5 months of age were tested for their discrimination of timbre or sound quality differences in the context of variable exemplars.
(3) We know, don't we, instantly when under the tutelage of a good teacher, we feel it in the timbre of their voice, we can feel the subtle, invisible flow of their good intention.
(4) Spectral properties appear to play a much larger role than dynamic properties in imagery for musical timbre.
(5) Fundamental frequency, pitch, timbre, and melody were analyzed with computerized electroglottography and sonography.
(6) These results suggest that timbre is perceived more in absolute than in relative terms.
(7) For fundamental frequencies in the human pitch range, many realizable timbres have vowel-like perceptual qualities.
(8) At the launch of a report by the all-party parliamentary group on women, she also called for an inquiry into sexism towards female MPs in the media, as anecdotally they tend to attract "superficial criticism about what we wear or the timbre of our voice, rather than what we say".
(9) Six listeners were asked to indicate whether perceived grouping of 49 such sequences was based on pitch proximity, timbre similarity, or ambiguous percepts not dominated by either cue.
(10) Voice clinicians, as well as singers, always correlate the assessment of the singing voice to the vocal and corporal gestures that model singing, and among these parameters, especially timbre.
(11) A possible explanation of the observed vowel timbres lies in the dependence of the short-time amplitude spectra on phase changes.
(12) 3, 45-52 (1979)] demonstrated that timbre differences could also bring about segregation.
(13) (1) When two complex tones contain different harmonics, do the differences in timbre between them impair the ability to discriminate the pitches of the tones?
(14) Recent studies have investigated the structure of perceptual relations among musical instrument timbres by multidimensional scaling (MDS) techniques.
(15) Previous reports have warned that tonsillectomy or uvulopalatopharyngoplasty (UPPP) may alter patients' speech by increasing the amount of nasal resonance as well as by changing voice timbre due to enlargement of the vocal tract.
(16) In recognition memory tasks, a target tone always appeared in a fixed position in the sequences, and listeners were instructed to attend to either its pitch or its timbre.
(17) Experiment 1, through the use of the Garner classification tasks, found that pitch and timbre of isolated tones interact.
(18) Harmonic complex tones comprising components in different spectral regions may differ considerably in timbre.
(19) The musical quality of timbre is based on both spectral and dynamic acoustic cues.
(20) Left hemisphere damaged aphasic patients were more accurate for target timbres over phonemes; the reverse pattern was found in the nonaphasic right hemisphere patients.