What's the difference between horn and narwhal?

Horn


Definition:

  • (n.) A hard, projecting, and usually pointed organ, growing upon the heads of certain animals, esp. of the ruminants, as cattle, goats, and the like. The hollow horns of the Ox family consist externally of true horn, and are never shed.
  • (n.) The antler of a deer, which is of bone throughout, and annually shed and renewed.
  • (n.) Any natural projection or excrescence from an animal, resembling or thought to resemble a horn in substance or form; esp.: (a) A projection from the beak of a bird, as in the hornbill. (b) A tuft of feathers on the head of a bird, as in the horned owl. (c) A hornlike projection from the head or thorax of an insect, or the head of a reptile, or fish. (d) A sharp spine in front of the fins of a fish, as in the horned pout.
  • (n.) An incurved, tapering and pointed appendage found in the flowers of the milkweed (Asclepias).
  • (n.) Something made of a horn, or in resemblance of a horn
  • (n.) A wind instrument of music; originally, one made of a horn (of an ox or a ram); now applied to various elaborately wrought instruments of brass or other metal, resembling a horn in shape.
  • (n.) A drinking cup, or beaker, as having been originally made of the horns of cattle.
  • (n.) The cornucopia, or horn of plenty.
  • (n.) A vessel made of a horn; esp., one designed for containing powder; anciently, a small vessel for carrying liquids.
  • (n.) The pointed beak of an anvil.
  • (n.) The high pommel of a saddle; also, either of the projections on a lady's saddle for supporting the leg.
  • (n.) The Ionic volute.
  • (n.) The outer end of a crosstree; also, one of the projections forming the jaws of a gaff, boom, etc.
  • (n.) A curved projection on the fore part of a plane.
  • (n.) One of the projections at the four corners of the Jewish altar of burnt offering.
  • (n.) One of the curved ends of a crescent; esp., an extremity or cusp of the moon when crescent-shaped.
  • (n.) The curving extremity of the wing of an army or of a squadron drawn up in a crescentlike form.
  • (n.) The tough, fibrous material of which true horns are composed, being, in the Ox family, chiefly albuminous, with some phosphate of lime; also, any similar substance, as that which forms the hoof crust of horses, sheep, and cattle; as, a spoon of horn.
  • (n.) A symbol of strength, power, glory, exaltation, or pride.
  • (n.) An emblem of a cuckold; -- used chiefly in the plural.
  • (v. t.) To furnish with horns; to give the shape of a horn to.
  • (v. t.) To cause to wear horns; to cuckold.

Example Sentences:

  • (1) After calving, probably the position of new follicles is temporally influenced by direct signals from the uterine horns affected differently by pregnancy.
  • (2) Severity of leukoaraiosis around the frontal horns of the lateral ventricles correlated significantly with severity of leukoaraiosis of the centrum semiovale adjacent to the bodies of the lateral ventricles.
  • (3) Spinal cord stimulation would suppress at least the dorsal horn neurons which were destroyed by various kinds of diseases.
  • (4) This study presents data supporting a selective antinociceptive role for DA at the spinal level, where it has a widespread antinociceptive influence, on cells in both the superficial and deeper dorsal horn.
  • (5) On Days 12-14 each gilt received twice daily infusions of Day 15 pCSP in one uterine horn and SP in the other uterine horn.
  • (6) In 25 rabbits, endometrium from the right uterine horn was transplanted onto the peritoneum (Experimental group = Group E).
  • (7) Differential pulse voltammetry used in combination with an electrochemically treated carbon fiber electrode allowed the detection of 5-hydroxyindoles (5-HI) in the dorsal horn of the urethane-anesthetized rat.
  • (8) Uterine blood flow to both uterine horns was measured by microsphere and by tritiated water steady-state diffusion methodology.
  • (9) But Hey Diddly Dee, in Sky Arts' latest Playhouse Presents season, could only manage 71,000 viewers, despite the combined star power of Kylie Minogue, David Harewood, Peter Serafinowicz and Mathew Horne.
  • (10) A few with low endometrial receptor levels had normal livers but at least one sterile uterine horn.
  • (11) It is concluded that chronic peripheral nerve section affects the anatomical and physiological mechanisms underlying the formation of light touch receptive fields of dorsal horn neurons in the lumbosacral cord of the adult cat, but that the resulting reorganization of receptive fields is spatially restricted.
  • (12) The concordance for this disease in these two patients of nonconsanguineous parentage with no family history of the disorder suggests the possibility of sublethal intrauterine injury to anterior horn cells.
  • (13) Subpopulations of DRG neurones that subserve distinct sensory modalities project to discrete regions in the dorsal horn.
  • (14) Phospholipase A2 has been purified from the venom of Horned viper (Cerastes cerastes) by gel permeation chromatography followed by reverse-phase HPLC.
  • (15) In ventral horn motoneurons and neurons of nucleus dorso-medialis (C1) pronounced staining was found after a total dosage of 1200 micrograms HgCl2.
  • (16) The influence of embryos on growth of the uterus was determined by comparing uterine length, weight and diameter between gravid and nongravid horns within unilaterally pregnant gilts.
  • (17) Postmortem examination showed axonal pathology of the anterior horns and roots of the spinal cord, and white matter hypoplasia of the brain.
  • (18) Histochemically the lowered activity of enzymes was localized mainly in the neuropil of: striatum, the Broc's nuclei and rhinencephalon: in the nervous cells of: Ammon's horn, nuclei of thalamus and in neocortex.
  • (19) Thyrotropin releasing hormone (TRH) has been identified recently in fibers and cell bodies in the dorsal horn of the spinal cord, but its function in the dorsal horn is not known.
  • (20) With immunocytochemical techniques, SP immunoreactivity (SP-I) and CGRP-I were localized in myometrial nerves throughout the uterine horns, with nerves immunoreactive for CGRP being the more numerous.

Narwhal


Definition:

  • (n.) An arctic cetacean (Monodon monocerous), about twenty feet long. The male usually has one long, twisted, pointed canine tooth, or tusk projecting forward from the upper jaw like a horn, whence it is called also sea unicorn, unicorn fish, and unicorn whale. Sometimes two horns are developed, side by side.

Example Sentences:

  • (1) Documents seen by the Guardian show that Mittal's company, the world's biggest steel-making group, ArcelorMittal , admits the operations will be undertaken in an area inhabited by unique wildlife including polar bear, narwhal and walrus.
  • (2) The evolution of the component was studied after sequencing the component in different odontocetes representing the Delphinidae (delphinids), Monodontidae (narwhals), and Ziphiidae (beaked whales).
  • (3) As sea ice melts, the bowhead whale and the narwhal will lose protective cover, while other species such as the ringed seal will struggle to breed.
  • (4) "Ned was stalking me, baiting me, hunting me, much as he was the demon narwhal, albeit with more subtlety than force.
  • (5) Values for Young's modulus of elasticity, ultimate and yield stresses, ultimate and yield strains, work under the stress-strain curve and work of fracture were obtained from tensile and bending tests on specimens of narwhal tusk dentine and cement, femoral bone from young and mature cattle, and reindeer antler.
  • (6) In general, the mechanical properties of the narwhal tusk tissues were as would be expected from their mineral content, except that the stiffness of the cementum was low.
  • (7) The statement outlines how marine mammals are also found in abundance in the region including polar bears, narwhals, beluga whales and blowhead whales while migratory birds include snow geese, rough-legged hawks and gyro-falcons.
  • (8) Narwhal (Monodon monoceros) liver and kidney cytosol were fractionated by gel chromatography, anion-exchange chromatography and electrophoresis.
  • (9) The narwhal dentine was considerably softer and less mineralized than human and cattle dentine.
  • (10) Remarkably high cadmium levels are found in kidney and liver of narwhal (Monodons monoceros) from western Baffin Bay (mean of 63.5 micrograms g-1) and western Greenland waters (median of 39.5 micrograms g-1).
  • (11) It is likely that narwhal dentine is not very similar to human and cattle dentine in its mechanical properties.
  • (12) Compared with the cattle bone the narwhal tissues had low Young's moduli, low yield stresses, rather low ultimate stresses and high ultimate strains.
  • (13) Human cementum was softer and less mineralized than cattle cementum, and was like narwhal cementum.
  • (14) The calcium content and hardness of the narwhal tissues were compared with those of human and cattle dental tissues.