What's the difference between perch and ridge?

Perch


Definition:

  • (n.) Any fresh-water fish of the genus Perca and of several other allied genera of the family Percidae, as the common American or yellow perch (Perca flavescens, / Americana), and the European perch (P. fluviatilis).
  • (n.) Any one of numerous species of spiny-finned fishes belonging to the Percidae, Serranidae, and related families, and resembling, more or less, the true perches.
  • (n.) A pole; a long staff; a rod; esp., a pole or other support for fowls to roost on or to rest on; a roost; figuratively, any elevated resting place or seat.
  • (n.) A measure of length containing five and a half yards; a rod, or pole.
  • (n.) In land or square measure: A square rod; the 160th part of an acre.
  • (n.) In solid measure: A mass 16/ feet long, 1 foot in height, and 1/ feet in breadth, or 24/ cubic feet (in local use, from 22 to 25 cubic feet); -- used in measuring stonework.
  • (n.) A pole connecting the fore gear and hind gear of a spring carriage; a reach.
  • (v. i.) To alight or settle, as a bird; to sit or roost.
  • (v. t.) To place or to set on, or as on, a perch.
  • (v. t.) To occupy as a perch.

Example Sentences:

  • (1) A sensitive radioimmunoassay (RIA) for the measurement of metallothionein (MT) from perch (Perca fluviatilis) has been developed.
  • (2) • earthseasky.org North Zakynthos Potamitis Brothers, North Zakynthos Where to stay: Potamitis Brothers The brothers run boat trips (see below), but also own some rather special accommodation perched on the cliffs of Cape Skinari on the northern tip of Zakynthos.
  • (3) We tested 1,145 isolates from fresh and spoiling irradiated (0.0, 0.3, and 0.6 Mrad) yellow perch fillets for proteolytic activity, by the use of both media.
  • (4) In order to determine the most suitable cage environment for the squirrel monkey, a series of studies were carried out to compare various perch materials and cage configurations.
  • (5) Peering out from his Kremlin perch, Putin sees a European continent divided between wealthy and poor countries, between north and south, and senses an opportunity.
  • (6) Just a whisper between us, its about time some of the old guard got a hoot under their perch.
  • (7) Does he fancy winning the league again & knock Liverpool right off their perch?"
  • (8) Only a slight induction in monooxygenase activities was seen in perch caught near the oil spill 4 months after the accident.
  • (9) Those who remember the Two Davids of the 1987 SDP-Liberal Alliance will recall the exquisite agony only too well, cruelly captured by the Spitting Image puppet of little Steel perched in big Owen's pocket.
  • (10) Kerry McQuade whose home perched high up on Blenheim Street avoided the worst effects, said: "We had two hours of a torrential downpour, followed by continual rain, from lunchtime.
  • (11) The same phenomenon was observed for the perch and Crusian carp, with low nitrate concentrations, while with higher nitrate concentrations, the uptake levels were again increased.
  • (12) The rest of the week he drives to other city centres and commercial sites, with Emu sitting on a perch in a large wooden box in the back of the van.
  • (13) The separation of two isoforms of rainbow trout (Salmo gairdneri) metallothionein was possible by DEAE-Sephadex A-25 chromatography, while only one form of perch (Perca fluviatilis) metallothionein was obtained with this method.
  • (14) Lines of Syrian army troops circle Qerdaha, adding an additional defence to the natural protection offered by the mountain it perches on, overlooking Latakia.
  • (15) Cells of the gas gland of the perch Perca fluviatilis L., stimulated to increased generation of gas by the repeated emptying of the swim-bladder, were examined in the electron microscope.
  • (16) The total lipid content in the muscle of perch (Perca fluviatilis) and vendace (Coregonus albula) was less than 50% of that in rainbow trout and a seasonal variation was clear only in vendace.
  • (17) Perched in a grove of poplars and with prayer flags stretching away on all sides, Muktinath is Nepal's second-most sacred site for Hindus after Pashupatinath , which in comparison lies rather forlornly at the end of Kathmandu's international airport runway.
  • (18) Therefore we suggest that this purified form of cytochrome P-450 is a BNF-induced form in perch and that it is closely related to the gene subfamily cytochrome P-450 IA1.
  • (19) The Five senior programme controller, Chris Shaw, said: "Ten years on from the famous perch people are still obsessing with soft furnishings and the desk.
  • (20) The fortress-like villages perched on rocky mountaintops we saw when we visited the north of the country are reminders that Yemen has constantly been invaded, or otherwise meddled with, by outsiders, from the Turks onwards.

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.