What's the difference between mantle and shell?

Mantle


Definition:

  • (n.) A loose garment to be worn over other garments; an enveloping robe; a cloak. Hence, figuratively, a covering or concealing envelope.
  • (n.) Same as Mantling.
  • (n.) The external fold, or folds, of the soft, exterior membrane of the body of a mollusk. It usually forms a cavity inclosing the gills. See Illusts. of Buccinum, and Byssus.
  • (n.) Any free, outer membrane.
  • (n.) The back of a bird together with the folded wings.
  • (n.) A mantel. See Mantel.
  • (n.) The outer wall and casing of a blast furnace, above the hearth.
  • (n.) A penstock for a water wheel.
  • (v. t.) To cover or envelop, as with a mantle; to cloak; to hide; to disguise.
  • (v. i.) To unfold and spread out the wings, like a mantle; -- said of hawks. Also used figuratively.
  • (v. i.) To spread out; -- said of wings.
  • (v. i.) To spread over the surface as a covering; to overspread; as, the scum mantled on the pool.
  • (v. i.) To gather, assume, or take on, a covering, as froth, scum, etc.

Example Sentences:

  • (1) This report describes a detailed analysis of the dosimetry of the mantle technique for the therapy of Hodgkin's disease when a 4 MV linear accelerator (Varian) is utilized.
  • (2) In the mantle of the female sea mussel Mytilus galloprovincialis seasonal variations in the adenylate cyclase activity correlate with gonadal development.
  • (3) A 21-year old man died of an extensive anteroseptal myocardial infarction 16 months after receiving megavoltage radiotherapy to a mantle field for Hodgkin's disease stage PS IA confined to the midcervical lymph nodes on the left side of the neck.
  • (4) The outer aspect of the mantle zone constituted the PNS-CNS borderline.
  • (5) Fetuses that received 0.25, 0.5, 0.75, or 1.0 Gy were examined 24 h after irradiation for changes in the cells of the cerebral mantle of the developing brain.
  • (6) Forty-nine patients were managed according to the pre-1969 policy consisting of mantle radiotherapy (XRT) only without laparotomy staging and without subdiaphragmatic treatment.
  • (7) The glial mantle is thicker in the sulci than on the gyri.
  • (8) The sensory cells of the mantle tentacles are found to be ciliated, primary receptors with subepithelial nuclei.
  • (9) Only one of these cases was found among the 44 patients who received a dose to the spinal cord of over 5 000 rad via fields of less than 16 cm in length; 7 cases were patients with Hodgkin's disease who were given up to 3 700 rad via mantle fields.
  • (10) A semi-intact preparation was used to study the effects of classical conditioning on the type of siphon response elicited by a conditioned stimulus to the mantle of Aplysia.
  • (11) Then, in English, a simple statement that has come to define a Japanese summer of public discontent, the likes of which it has not seen in a generation: “This is what democracy looks like!” Amid the trade union and civic group banners were colourful, bilingual placards held aloft by a new generation of activists who have assumed the mantle of mass protest as Japan braces for the biggest shift in its defence posture for 70 years.
  • (12) Osteoclasts were not observed; occasional osteoblasts, blue mantles and otosclerotic foci were seen.
  • (13) The third major isoform, which was enriched in the mantle and branchial sac of adults and localized primarily in the tails of tadpoles, is a muscle actin.
  • (14) Spontaneous pneumothorax was observed only in patients who had received mantle or mini-mantle radiation therapy (RT).
  • (15) Shortly after mantle field radiation therapy she developed a mass in the anterior mediastinum.
  • (16) A literature review aimed at completeness, a study of the hitherto largest case material (24 cases), and a comparative analysis of the bleeding and normal gastric arteries gave the following results: (1) the walls of the pathologic arteries are of normal structure; (2) as submucous arteries, they are of normal diameter; (3) they are attached to the mucosa by virtue of Wanke's musculoelastic mantle; (4) at the level of the muscularis mucosae, they are definitely oversized; (5) in the area of the linkage of the artery to the mucosa, a vulnerable mucosal spot is created; (6) the artery is accompanied by a vein of similar caliber; and (7) perforation of the vein takes place before that of the artery.
  • (17) However, these specimens have also shown incipient cracks in the acrylic cement that emanate from and connect defects in the cement mantle and at the metal-cement interface.
  • (18) Aggressive intrapartum management is indicated in most of these cases regardless of cortical mantle thickness.
  • (19) The results of the various histochemical reactions on mucosubstances indicate that in the middle fold of the mantle edge two types of mucus cells exist, one producing sulphomucins and the other neutral mucosubstances.
  • (20) Her original concept was that he might shed the kingly mantle, be just a poor player strutting, but he couldn’t get out fast enough from his prosthetic withered arm.

Shell


Definition:

  • (n.) A hard outside covering, as of a fruit or an animal.
  • (n.) The covering, or outside part, of a nut; as, a hazelnut shell.
  • (n.) A pod.
  • (n.) The hard covering of an egg.
  • (n.) The hard calcareous or chitinous external covering of mollusks, crustaceans, and some other invertebrates. In some mollusks, as the cuttlefishes, it is internal, or concealed by the mantle. Also, the hard covering of some vertebrates, as the armadillo, the tortoise, and the like.
  • (n.) Hence, by extension, any mollusks having such a covering.
  • (n.) A hollow projectile, of various shapes, adapted for a mortar or a cannon, and containing an explosive substance, ignited with a fuse or by percussion, by means of which the projectile is burst and its fragments scattered. See Bomb.
  • (n.) The case which holds the powder, or charge of powder and shot, used with breechloading small arms.
  • (n.) Any slight hollow structure; a framework, or exterior structure, regarded as not complete or filled in; as, the shell of a house.
  • (n.) A coarse kind of coffin; also, a thin interior coffin inclosed in a more substantial one.
  • (n.) An instrument of music, as a lyre, -- the first lyre having been made, it is said, by drawing strings over a tortoise shell.
  • (n.) An engraved copper roller used in print works.
  • (n.) The husks of cacao seeds, a decoction of which is often used as a substitute for chocolate, cocoa, etc.
  • (n.) The outer frame or case of a block within which the sheaves revolve.
  • (n.) A light boat the frame of which is covered with thin wood or with paper; as, a racing shell.
  • (v. t.) To strip or break off the shell of; to take out of the shell, pod, etc.; as, to shell nuts or pease; to shell oysters.
  • (v. t.) To separate the kernels of (an ear of Indian corn, wheat, oats, etc.) from the cob, ear, or husk.
  • (v. t.) To throw shells or bombs upon or into; to bombard; as, to shell a town.
  • (v. i.) To fall off, as a shell, crust, etc.
  • (v. i.) To cast the shell, or exterior covering; to fall out of the pod or husk; as, nuts shell in falling.
  • (v. i.) To be disengaged from the ear or husk; as, wheat or rye shells in reaping.

Example Sentences:

  • (1) However, empty shells can also form independently of intact virions.
  • (2) The spikes likely correspond to VP3, a hemagglutinin, while the rest of the mass density in the outer shell represents 780 molecules of VP7, a neutralization antigen.
  • (3) Lead levels in contents and shells of eggs laid by hens dosed with all-lead shot were about twice those in eggs laid by hens dosed with lead-iron shot.
  • (4) We recommend the shell vial technique for isolation of C. burnetii.
  • (5) A significant proportion of the soluble protein of the organic matrix of mollusk shells is composed of a repeating sequence of aspartic acid separated by either glycine or serine.
  • (6) Viral particles in the cultures and the brain were of various sizes and shapes; particles ranged from 70 to over 160 nm in diameter, with a variable position of dense nucleoids and less dense core shells.
  • (7) But we sent out reconnoitres in the morning; we send out a team in advance and they get halfway down the road, maybe a quarter of the way down the road, sometimes three-quarters of the way down the road – we tried this three days in a row – and then the shelling starts and while I can’t point the finger at who starts the shelling, we get the absolute assurances from the Ukraine government that it’s not them.” Flags on all Australian government buildings will be flown at half-mast on Thursday, and an interdenominational memorial service will be held at St Patrick’s cathedral in Melbourne from 10.30am.
  • (8) Unless you are part of some Unite-esque scheme to join up as part of a grand revolutionary plan, why would you bother shelling out for a membership card?
  • (9) Serum levels of lactate dehydrogenase and alkaline phosphatase were considerably elevated in shell-less embryos.
  • (10) The cultivation of embryos in shell-less culture did not affect the normal macroscopic or histological appearance of the membrane, or the rate of proliferation of its constituent cells, as assessed by tritiated thymidine incorporation.
  • (11) Another friend’s sisters told me that the government building where all the students’ records are stored is in an area where there is frequent shelling and air strikes.
  • (12) Shell casings littered the main road, tear gas hung in the air and security forces beat local residents.
  • (13) Carmon Creek is wholly owned by Shell, which said it expected the decision to cost $2bn in its third-quarter results due to impairment, contract provision, redundancy and restructuring charges.
  • (14) A technique for efficient cytochalasin-induced enucleation was used to prepare "karyoplasts"--nuclei surrounded by a thin shell of cytoplasm and an outer cell membrane.
  • (15) The difficulty has been increased with the recent Supreme Court decision which it ruled the Alien Tort Claims Act does not apply outside of the country and dismissed a case against Royal Dutch Shell.
  • (16) We developed a shell vial cell culture assay (SVA) using a cross-reactive monoclonal antibody to the T antigen of simian virus 40 to detect BKV rapidly by indirect immunofluorescence.
  • (17) On second impacts, the GSI rose considerably because the shell and liner of the DH-151 cracked and the suspension of the "141" stretched during the first blow.
  • (18) This coincided with increases in shell thickness and shell porosity as power functions of uterine time.
  • (19) The apoferritin shell is known to assemble spontaneously from its subunits obtained at acid pH upon neutralization.
  • (20) Whereas psammomatous bodies are located within tubules in compressed residual testicular tissue arranged in a shell-like zone around the tumor mass, dystrophic calcifications and bone and cartilage tissues are identified inside the tumor.