What's the difference between fin and ridge?

Fin


Definition:

  • (v. t.) To carve or cut up, as a chub.
  • (n.) End; conclusion; object.
  • (n.) An organ of a fish, consisting of a membrane supported by rays, or little bony or cartilaginous ossicles, and serving to balance and propel it in the water.
  • (n.) A membranous, finlike, swimming organ, as in pteropod and heteropod mollusks.
  • (n.) A finlike organ or attachment; a part of an object or product which protrudes like a fin
  • (n.) The hand.
  • (n.) A blade of whalebone.
  • (n.) A mark or ridge left on a casting at the junction of the parts of a mold.
  • (n.) The thin sheet of metal squeezed out between the collars of the rolls in the process of rolling.
  • (n.) A feather; a spline.
  • (n.) A finlike appendage, as to submarine boats.

Example Sentences:

  • (1) 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.
  • (2) Since there is a body of literature indicating that preexposure to low levels of metals may increase tolerance during subsequent exposure, these experiments were designed to investigate the effects of preexposure to cadmium, using fin regeneration as the parameter of effect.
  • (3) Next year they will target 50 fin whales, 50 endangered humpbacks, and another 925 minkes.
  • (4) Electron microscopy discloses axons in the mesodermal mesenchyme and in the epidermis of the bud as early as stage I of the development of the pelvic fins.
  • (5) The fins are formed by a longitudinal tegument fold containing the same components as the remaining part of the tail tegument.
  • (6) The dorsal fin mesenchyme expresses vimentin at stage 26.
  • (7) In this situation one could fins concentrated not only the various stands of protolife necessary for the final act of biopoesis, but also perbiologically formed nutrients necessary as for the first eobionts.
  • (8) These data and independent scanning electron microscopy indicated that a resident population of predominantly Blastobacter bacteria was present as a biofilm on the supply-side cooling coil fins.
  • (9) The development of the vasculature of the pectoral fin in the Australian lungfish, Neoceratodus forsteri, was studied by the dye-injection method.
  • (10) Behavioral arousal evoked by lightly touching the fish on the snout or over the eye resembled spontaneous arousal observed in the field and consisted of eye withdrawal, fin erection, and attempted swimming.
  • (11) This communication briefly reviews knowledge of the systemic disease caused by Crassicauda boopis in blue whales (Balaenoptera musculus), fin whales (B. physalus) and humpback whales (Megaptera novaeangliae).
  • (12) This year the whalers plan to kill more than 900 minke whales and about 50 fin whales, reports said.
  • (13) The fish of these groups completed translocation of the right eye to the left side and resorption of elongated dorsal fin rays.
  • (14) Glycosaminoglycans (GAG) are found primarily in the dorsal fin and in the ECM surrounding the notochord.
  • (15) By noon, the small fish market on shore is packed with black crows nibbling on hundreds of butchered fish heads, shark fins and long red swordfish tongues.
  • (16) Fixation included tines or fins (160), screw (40), flange (12), and other (16).
  • (17) In light of previous descriptions of Crassicauda infections in balaenopterids, this implied that C. boopis should at present be considered a renal parasite of fin whales, and perhaps other rorquals, throughout the world's oceans.
  • (18) The US-based group said it encountered an illegal shark finning operation run by a Costa Rican ship, the Varadero, and told the crew to stop and head to port to be prosecuted.
  • (19) We have used 14 restriction endonucleases to investigate the restriction fragment length polymorphism (RFLP) of fin whales, 13 enzymes for sei whales, and 8 enzymes for the minke whale.
  • (20) The researchers estimated that global reported catches, unreported landings, discards and sharks caught and thrown back after their fins were cut off – a process known as finning – added up to 97 million fish caught in 2010.

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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