What's the difference between cresting and ridge?

Cresting


Definition:

  • (p. pr. & vb. n.) of Crest
  • (n.) An ornamental finish on the top of a wall or ridge of a roof.

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.

Ridge


Definition:

  • (n.) The back, or top of the back; a crest.
  • (n.) A range of hills or mountains, or the upper part of such a range; any extended elevation between valleys.
  • (n.) A raised line or strip, as of ground thrown up by a plow or left between furrows or ditches, or as on the surface of metal, cloth, or bone, etc.
  • (n.) The intersection of two surface forming a salient angle, especially the angle at the top between the opposite slopes or sides of a roof or a vault.
  • (n.) The highest portion of the glacis proceeding from the salient angle of the covered way.
  • (v. t.) To form a ridge of; to furnish with a ridge or ridges; to make into a ridge or ridges.
  • (v. t.) To form into ridges with the plow, as land.
  • (v. t.) To wrinkle.

Example Sentences:

  • (1) The invaginations were classified into four easily recognized types: regular, chunky, filigree, and ridge (present only in axon hillock regions).
  • (2) On the tangential views the inclinations of the future implants were estimated and the part of the alveolar ridge having a width less than 5 mm, which is the minimum width for housing an implant, was compiled.
  • (3) After 1 day in vitro the explants were partly encircled by epithelium which had proliferated from the cut edges of the explant and from rete ridges near the cut edge (epiboly).
  • (4) We have now found that these cells, cultured as a monolayer, are able to undergo rapid morphogenesis forming ridges and balls around collagen fibres, when soluble collagen type I is added to the medium.
  • (5) Besides the rough, wrinkled, and brown or black surface of the fingertips, microwrinkles of the epidermis occur on the skin ridges, which have so far not been described.
  • (6) The results of the rapid-freeze and deep-etch procedure showed that the ridges observed by the surface replica method consisted of linear arrangements of elliptical particles on the ES face of the plasma membrane.
  • (7) The narrow intercellular ridge is smooth, whereas the epithelial cells have small cytoplasmic knobs between the cilia.
  • (8) The calculations revealed that local hypoxia and lipoprotein accumulation may occur at the ridges, leading to subsequent intimal thickening and ridge growth.
  • (9) The quality of the alveolar ridge and the denture as well as the functional status of the craniomandibular system were evaluated in detail.
  • (10) The use of an intraoral alveolar ridge soft tissue expander to aid in reconstruction of the alveolar ridge is described, and the results in five cases are reported.
  • (11) Sixty-three per cent of the implants were operated in immediately after tooth extraction, whereas the rest were installed in a healed bony alveolar ridge.
  • (12) After the treatment in toto of the embryos from various species of Anura by cAMP, the number of primordial germ cells (PGC) in genital ridges is strongly reduced; the most part of the PGC are found in the endoderm.
  • (13) The innervation to the rete ridge is uniquely absent in the rabbit.
  • (14) The atrial complex was a common chamber with an attempt at division into two parts by a circular ridge of tissue; the ventricular complex was formed by three chambers which were all communicating between each other in the superior margin of their muscular interventricular septum.
  • (15) The other main sites of expression are the genital ridge, fetal gonad and mesothelium.
  • (16) Cells with demarcated borders showed rearrangement of microvilli into globular chains or ridges which lined up with the branching membrane.
  • (17) With the mobilization of the two halves of the face it is possible to approximate the orbits, simultaneously elongating the center of the face and normalizing the maxillary alveolar ridge.
  • (18) The air pressure in the skin cup was continually adjusted (using an electromechanical servo-control system) to pull the skin upward and to hold it perfectly flat across the upper ridge of the Teflon cylinder.
  • (19) Clinical findings as well as fingerprint ridge counts were typical of the syndrome.
  • (20) By design these plants are adjacent to the AEC's Oak Ridge National Laboratory, and such a location would seem ideal for an experiment on the wedding of nuclear and fossil sources of energy.

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