(n.) A post at the fork of a road, with a guideboard on it, to direct travelers.
Example Sentences:
(1) The initial step in the ultrasonic examination of the pancreas is display of the anatomical detail of the portal vasculature which provides a guidepost to the pancreas.
(2) Specific glial cells may be utilized as guideposts by growing axons, allowing them to recognize the appropriate pathway, or conversely, glial cells may inhibit axons from growing along an inappropriate pathway.
(3) The major nerve branches serving the mandibles, maxillae, and labium are established by peripheral pioneer neurons, which project their axons into the central nervous system via a set of guidepost cells.
(4) Increasing the cell-substratum adhesivity of these guideposts results in an increase in the percentage of neurites spanning a given width of the low-adhesivity substratum.
(5) Their growth cones migrate along a stereotyped pathway, where they encounter a series of guidance cues, including preaxonogenesis afferent neurons (guidepost cells).
(6) The accurate recognition and quantitation of these conditions represent guideposts to treatment and prognosis.
(7) Apparently, filopodial contact with high-adhesivity guideposts enables neurites to extend across intervening low-adhesivity substrata.
(8) When performing a middle fossa approach, the superior semicircular canal, the greater petrosal nerve, and a window through the tegmen tympani into the attic are useful guideposts.
(9) It is concluded that informed decisions about self-care are best made by considering a variety of factors, with age being merely a guidepost.
(10) Calcium concentration measurements along pioneer neurites suggest that calcium ions also are transferred from pioneer neurons to these coupled guidepost cells.
(11) Here, we describe a system, the developing wing of the fruitfly, in which we have tested simultaneously two putative guidance mechanisms, physical constraints to axon growth (channels) and the position of neuronal somata (guideposts), using surgical techniques.
(12) The work of Shatz' laboratory (Chun et al., 1987; Ghosh et al., 1990) suggests that neuropeptide-containing neurons, transiently present, serve as guideposts for thalamocortical axons coming in to innervate specific cortical areas.
(13) Dissociated chick embryo dorsal root ganglion neurons are cultured on a substratum consisting of areas of high-adhesivity substratum-bound laminin (i.e., model adhesive guideposts) separated by a low-adhesivity agarose substratum.
(14) This guidance is effective in the absence of such potential additional cues as guidepost neurons and physical channels.
(15) To test this "guidepost" hypothesis, everting wing discs were raised in vitro to allow surgical manipulation.
(16) For the genetics of neural circuits and behavior, and synaptic guidepost molecules.
(17) The hypothesis implies that high adhesivity between extending axons and guidepost cells facilitates axon extension across low-adhesivity tissues or spaces between guidepost cells.
(18) The oldest children (like the adults) were more likely to prepose when clauses than were younger children, a finding which suggests that with increasing awareness of the information needs of the listener, children begin to use preposed adverbial clauses as information 'guideposts'.
(19) Thus, during the early stages of cerebellar ontogeny, when the migration pathway through the molecular layer is sparsely populated with cells and processes, the vertical process of a granule cell may seek actively a path of least resistance, utilizing 'contacts' with surrounding objects for avoidance, rather than as guideposts imperative for directing migration.
(20) The concepts of neutrality, anonymity, and abstinence, though of importance as guideposts in the conduct of an analysis, have conceptual limitations that not infrequently bind the analyst in a stance that is not useful for the progress of the analysis.
Landmark
Definition:
(n.) A mark to designate the boundary of land; any , mark or fixed object (as a marked tree, a stone, a ditch, or a heap of stones) by which the limits of a farm, a town, or other portion of territory may be known and preserved.
(n.) Any conspicuous object on land that serves as a guide; some prominent object, as a hill or steeple.
Example Sentences:
(1) Tests in which the size of the landmark was altered from that used in training suggest that distance is not learned solely in terms of the apparent size of the landmark as seen from the goal.
(2) Two mechanisms are evident in chicks' spatial representations: a metric frame for encoding the spatial arrangement of surfaces as surfaces and a cue-guidance system for encoding conspicuous landmarks near the target.
(3) These predictions were confirmed in Experiments 1 and 2 when targets were local landmarks that had been learned via direct experience.
(4) The oblique interface between corneal and scleral stroma determines the appearance of the surgical limbus whose landmarks vary around the circumference of the globe but predictably correlate with structures of the anterior chamber angle.
(5) The agreement, hailed as a "landmark" deal and a breakthrough by politicians and the green lobby alike, came before a crucial EU summit opening in Brussels tomorrow at which 27 prime ministers and presidents are supposed to finalise an ambitious package to cut greenhouse gas emissions by 20% by 2020.
(6) Egged on by Israel, Trump has threatened to tear up Obama’s landmark 2015 nuclear deal with Iran.
(7) Australia is hoping to put a permanent end to Japan's annual slaughter of hundreds of whales in the Southern Ocean, in a landmark legal challenge that begins this week.
(8) Same-sex marriage: supreme court's swing votes hang in the balance – live Read more The court heard legal arguments for two and a half hours, in a landmark challenge to state bans on same-sex marriage that is expected to yield a decision in June.
(9) This is a correlative study of normal anatomy of the lumbosacral spine and pelvis demonstrated by SPECT and radiography in order to assure that morphologic detail resulting from SPECT is recognized and matched with radiographic landmarks in the same area.
(10) Facebook Twitter Pinterest A sticker worn on the shirt an attendee at a New York City landmarks commission meeting.
(11) Distances and angles between major anatomic landmarks were determined by using computer reconstructions of the serially sectioned embryos, three-dimensional analytic geometry, and Euclidean distance formulas.
(12) Therefore, an incision to expose fixed bony landmarks should be 15% longer than the distance between them.
(13) Using serial sections and a computer interfaced X-Y digitizer, the neuromuscular junctions were referenced to various anatomic landmarks and the neuromuscular junction distribution and reconstructed in three dimension using computer graphics.
(14) Water supplies are restricted to the wealthy few, and landmark buildings such as the presidential palace remain wrecked nine years after the end of the war.
(15) Several identifiable natural landmarks in each arm of the chromosomes were recognised.
(16) Attention to detail is required for all phases of shoulder arthroscopy, including patient positioning, draping, outlining of bony landmarks, and exact placement of arthroscopic portals.
(17) Recent court decisions since the landmark Wickline v. The State of California case in 1987 have addressed this issue of shared liability between payors and providers.
(18) A landmark review into university finance is expected to recommend that student loans, now only available to those on full-time courses, are extended to part-time students to cover the fees they must currently pay upfront, the Guardian has learned.
(19) Rosie Woodroffe, a professor and a key member of an earlier landmark 10-year study of badger culling , said: "It would be extraordinarily unusual for natural causes to change badger populations so rapidly, and indeed no such changes have been seen [elsewhere].
(20) Even before the then Prime Minister Margaret Thatcher had put climate change on the international political map with a landmark speech in 1988, the company was doing ground-breaking work into photovoltaic solar panels, wave power and domestic energy efficiency as part of a wider drive to understand how greenhouse gas emissions could be curbed.