What's the difference between dorsum and ridge?

Dorsum


Definition:

  • (n.) The ridge of a hill.
  • (n.) The back or dorsal region of an animal; the upper side of an appendage or part; as, the dorsum of the tongue.

Example Sentences:

  • (1) Lactobacilli were found in saliva, on teeth, and on the dorsum of the tongue, the vestibular mucosa, and the hard palate in humans.
  • (2) The condition usually discovered on routine clinical examination, appearing as an asymptomatic, ulcer-like region on the dorsum of the tongue.
  • (3) Pain on injection was the only noteworthy complication, particularly when propofol was injected via a small vein in the dorsum of the hand.
  • (4) Fourteen men with deep dermal burns of the dorsum of the hand treated by early excision and primary skin grafting are presented.
  • (5) Dorsum of tongue had the highest density of LC per mm epithelial surface length (28.3 cells per mm) which was significantly greater (P less than 0.05) than buccal mucosa (25.2) which in turn had significantly more cells (P less than 0.05) than lip (22.4).
  • (6) A teflon coated-aluminum chamber was implanted in the dorsum skin of animals.
  • (7) A previously healthy 47-year-old woman presented to the emergency department with septic shock five days after a small dog bite on the dorsum of her hand.
  • (8) The evoked spinal electrogram (SEG) in man was recorded from the epidural space, applying the technique of continuous epidural block, and compared with cord dorsum potential (CDP) in wakeful rabbits.
  • (9) In floor of mouth, lip, lateral border and dorsum of tongue the cells were found along the length of the epithelium.
  • (10) It was suggested that the dorsum of the tongue may function as a nidus for periodontopathic micro-organisms.
  • (11) Based on 25 years of experience (1960-1984) with 188 cases, six approaches to thumb reconstruction are categorized as follows: pollicization using the index finger; pollicization using a finger stump; free transplant of a toe to reconstruct the thumb; reconstruction of the thumb by bone grafting and free flap transfer from the great toe with the nail; reconstruction of the thumb by turning up the skin over the dorsum of the stump and lengthening with bone grafting, and reconstruction of the thumb with bone grafting and tubular skin grafting.
  • (12) A 62-year-old white woman was seen initially with a 4-month history of swelling over the dorsum of her wrist and thumb pain at the basal joint.
  • (13) Animals received three consecutive daily applications of various concentrations of the test chemical on the dorsum of both ears.
  • (14) Craniogram demonstrated deep sella of slightly increased volume and unaltered dorsum sellae.
  • (15) Tests (1) and (2) were applied to the dorsum of the hand and foot and test (3) to the pulp of the fingertip and toe.
  • (16) The tumor promoter dissolved in a 0.8% sodium carboxymethyl cellulose solution was injected into a subcutaneous air pouch preformed on the dorsum of rats.
  • (17) A case of cryptococcosis in a guinea pig with lesions confined to the dorsum of the nose is described.
  • (18) Scarring of the dorsum of the hand is described, often severe and apparently permanent.
  • (19) An allergic inflammation was induced in the preformed air pouch in the dorsum of the sensitized rats by injecting the antigen dissolved in a 2% sodium carboxymethyl cellulose solution into the air pouch.
  • (20) The most important reason for the resorption are mechanical factors; this has been shown by comparing the load of implanted tissue on the columella and on the dorsum of the nose.

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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