What's the difference between mantle and spermatophore?

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.

Spermatophore


Definition:

  • (n.) Same as Spermospore.
  • (n.) A capsule or pocket inclosing a number of spermatozoa. They are present in many annelids, brachiopods, mollusks, and crustaceans. In cephalopods the structure of the capsule is very complex.

Example Sentences:

  • (1) Morphology and histology of the spermatophore, after its deposition in the female genital tract, was described in detail.
  • (2) Thus trehalase appears to be secreted from the BAGs and becomes incorporated into the spermatophores.
  • (3) Trehalases in the BAGs and the spermatophores showed very similar properties (soluble, optimum pH of 5.75 and Km value of 5.4 mM for trehalose).
  • (4) Finally in the spermatophore its organization is similar to that of external cuticles.
  • (5) Armadillidium spermatozoa are organized into bundles ensheathed by a specialized structure that functions as a spermatophore.
  • (6) The oviposition-stimulating factor was localized in the opalescent gland of the male accessory gland and was transferred to the female via the spermatophore during copulation.
  • (7) Electrophoretic studies on LDH show that, in addition to the occurrence of a sperm-specific fraction, LDHx, the M-type subunits are predominant in the mature spermatophores.
  • (8) The motility of sperm was examined in vivo in the vas deferens, the spermatophore, and the spermatheca of the red-spotted newt and in in vitro preparations with variations in osmolality, hydrogen ion concentration, and concentrations of specific osmolytes.
  • (9) Sperm were motile within the spermatophore, but little or no evidence of motility was seen in the spermatheca or the vas deferens.
  • (10) A compound responsible for the stimulation of oogenesis observed after copulation is present in the spermatophores produced by the male accessory glands of the bean weevil Acanthoscelides obtectus.
  • (11) Electrophoretic separation of LDH isozymes reveals the occurrence of 6 fractions in spermatophores, of which, the most conspicuous fraction resolves in between LDH3 and LDH4.
  • (12) In general, organic components of spermatophores are considerably higher than those of seminal plasma.
  • (13) The role of the gonad in formation of the spermatophore is restricted to the production of clusters of mature spermatozoa, which are discharged, without the "Sertoli" cell, via three efferent ductuli connecting the conducting portions of the gonadal tubules with the hermaphrodite duct.
  • (14) Cyclic AMP was localized on sperm flagella in the spermatophore and in the spermatheca.
  • (15) The male gametes are stocked in the spermatophore and enveloped by many kinds of secretions.
  • (16) In the examined species speriogenesis begins in Argasidae when the male transfers the spermatophore to the female genital opening, whereas in Ixodidae it starts only after the endospermatophore has reached the female genital tract.
  • (17) Although the organization of spermatophores is similar throughout the male reproductive tract, the morphology of the matrix material appears to change at lower regions of the tract.
  • (18) Possible mechanisms of spermatophore disintregration and its removal from the spermathecal barrel are discussed.
  • (19) The spermatophore is an extracellular investment consisting of two components: (1) a cone-shaped assembly of longitudinally aligned, 400 to 450 A diameter extracellular tubules, extending from the area rostral to sperm acrosomes to the region of sperm nuclei; and (2) matrix material, which surrounds spermatozoa for the entire length of the bundle.
  • (20) However, the specific activity in the spermatophore was similar to that in the BAGs.

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