(n.) A movable, articulated organ of sensation, attached to the heads of insects and Crustacea. There are two in the former, and usually four in the latter. They are used as organs of touch, and in some species of Crustacea the cavity of the ear is situated near the basal joint. In insects, they are popularly called horns, and also feelers. The term in also applied to similar organs on the heads of other arthropods and of annelids.
Example Sentences:
(1) Since the employment of microwave energy for defrosting biological tissues and for microwave-aided diagnosis in cryosurgery is very promising, the problem of ensuring the match between the contact antennas (applicators) and the frozen biological object has become a pressing one.
(2) Animals continued to display escape responses after removal of eyestalks and antennae.
(3) In all cases, the antennas were omnidirectional co-linear arrays.
(4) Cyanobacteria utilize multimeric protein complexes, the phycobilisomes, as their major light-harvesting antennae.
(5) This substrate specificity correlates with the oligosaccharide residues thus far defined on glycoproteins of CHP 134 cells since NeuAc and Fuc alpha 1----3GlcNAc have yet to be detected on the same oligosaccharide antenna.
(6) Some antennae were equipped with an external cooling jacket.
(7) As illustrated by some antennas the dependence of sanitary and limitation zones on the wavelength, radiated power and the type of soil has been studied.
(8) Linkage crosses and X-autosome translocations were used to assign short antenna to the right arm of chromosome 3 about 45 map units proximal to stripe (st+), and melanotic was located on chromosome 2 near the centromere.
(9) Representative blood flow values were assigned within the tumour, and the applied SAR distribution was based on a previously developed antenna theory.
(10) Subfamilies II and III are expressed in both male and female antennae, appear to associate with general-odorant-sensitive neurons, and are highly conserved when compared among species.
(11) The 2450 MHz antenna array was the most effective at heating the shorter tumours, while the 433 MHz antenna array heated the longer tumours most effectively.
(12) Theoretical three-dimensional power deposition and temperature distributions were calculated for interstitial hyperthermia microwave antenna arrays driven at 915 and 2450 MHz in brain tissue.
(13) Diantennary structures without GalNAc were present as partially sialylated and partially (1-->6)-alpha-L-fucosylated structures in Fractions A and B. Sequences containing alpha-D-Galp-(1-->3)-beta-D-Gal on the alpha-D-Man-(1-->6) antenna, and beta-D-GalpNAc-(1-->4)-beta-D-GlcNAc and alpha-NeuAc-(2-->6)-beta-D-GalpNAc-(1-->4)-beta-D-GlcNAc on the alpha-D-Man-(1-->3) antenna were characterized in the oligosaccharide-alditols obtained by reductive cleavage of Fraction B.
(14) The antennas are made of thin coaxial cables with a radiation gap or gaps on the outer conductor.
(15) The severity and distribution of these histological changes correlated well with the thermal profile of the helical antenna.
(16) The structure of the antennae of PBLs was characterized by glcNac-gal and galNac-gal-Sa sequences, while in lymphomas additional asialo as well as sialylated galNac containing antennae have been identified.
(17) These results provide evidence that chlorophyll-protein complexes closely represent the state of the bulk of antenna chlorophyll in vivo.
(18) An accidental deep intraorbital penetration of a radio antenna tip damaged the optic nerve and caused immediate amaurosis in a 19-year-old female with normal funduscopic, electroretinographic and computerized tomographic orbital findings.
(19) Excellent qualitative agreement is found between the theoretical heating pattern and the measured pattern in a non-perfused phantom on a 2 cm x 2 antenna array.
(20) In the present investigation, flash-induced absorbance changes at 605 nm have demonstrated that the upper fraction is enriched two-fold in photochemical reaction center activity when compared to chromotophores; a similar enrichment in the reaction center-associated B-875 antenna bacteriochlorophyll complex was also observed.
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.