What's the difference between antler and horn?

Antler


Definition:

  • (n.) The entire horn, or any branch of the horn, of a cervine animal, as of a stag.

Example Sentences:

  • (1) We conclude from this study that there is little or no seasonal photoperiodic entrainment of the antler and testicular cycles of males in this population of axis deer.
  • (2) Thyroxine (T4), triiodothyronine (T3), and alkaline phosphatase (AP) were assayed monthly in white-tailed deer plasma obtained from the antler (A), jugular (J), and the saphenous (S) veins during the period of antler growth and the period of mineralization.
  • (3) From the polymorphic loci examined, certain alleles at Idh-2, Me-1 and Acp-1 showed significant associations with a special development of body and antler characters selected for by hunters.
  • (4) The major aims of this study were to identify and localize by immunohistochemical techniques the type of innervation present, and to find out whether nerve fibres could exhibit growth rates comparable to those of antler.
  • (5) Detailed information obtained from 4 stags indicated that there was a fixed relationship between stage of the antler cycle and testis diameter; minimum testis diameter occurred 1-2 months after antler casting whereas maximum testis diameter occurred when stags were in hard antler.
  • (6) Proteinaceous extracts of deer and antelope antlers and bovine and rhinoceros horn were prepared by solubilizing 10 mg of horn sample in 200 microL of a solution containing 12M urea, 74mM Trizma base, and 78mM dithiothreitol (DTT).
  • (7) Unlike human bone, reindeer antler always shows a large post-yield strain, and it is possible to distinguish pre-yield and post-yield behaviour.
  • (8) Four adult male fallow deer were investigated for 1-4 consecutive years to study the relationships between annual changes in testis volume, sperm quality and antler status.
  • (9) Artificial extension of day-length in adult male white-tailed deer during the autumn induced: (a) premature casting of antlers, early onset of the new antler growth and out of season mineralization, (b) early elevation of plasma levels of prolactin, LH, FSH, testosterone and alkaline phosphatase and (c) out of season hair molt.
  • (10) Under both sets of conditions, antlers were repeatedly shed and replaced, usually in synchrony with every other time the day lengths were changed.
  • (11) An anti-inflammatory compound was purified and isolated from pilose antler of Cervus nippon Temminck by dialysis, gel filtration and ion-exchange chromatography techniques.
  • (12) Cleaning of velvet and casting of antlers following castration were unaffected by denervation.
  • (13) The composition of the antlers did not vary significantly between penned and grazing stags or with age.
  • (14) The data indicate that: 1) similarly to other mammals, deer exhibit peak levels of M during the dark phase; 2) 5 mg of M given orally caused a rapid elevation of M levels in blood followed by a depression of the normally present night-time peak; and 3) midscotophase levels of M exhibit very pronounced seasonal fluctuations which might be related to yearly cycles, such as the reproduction, hair molt, and antler growth.
  • (15) Electrodes were connected to a high input impediance microvoltmeter, and potentials on the surface of antlers of mature deer were measured during the antler growth cycle.
  • (16) Years ago, when I was studying anthropology at university, one of my female professors held up a photograph of an antler bone with 28 markings on it.
  • (17) Both bucks also had patchy areas of alopecia around the base of antlers.
  • (18) The study, spread over six consecutive years, reveals the following seasonal T changes: Minimum concentrations in November or December, around antler casting and at early antler growing phase; increasing levels in the course of late antler development (mineralization) with relatively high values around velvet shedding; peak levels occurring during onset of rutting period followed by a sharp decrease after the rut; and distinct and oscillating T peaks during late winter and spring.
  • (19) Biopsy samples of the main beams and tines were obtained from the antlers of mature Rocky Mountain mule deer (Odocoileus hemionus hemionus) during the rapid phase of the antler grow-th cycle.
  • (20) These antlers shed their velvet in the fall, and in succeeding years are replaced by larger outgrowths not exceeding 7 cm in length.

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.