(n.) Any aquatic carnivorous mammal of the families Phocidae and Otariidae.
(n.) An engraved or inscribed stamp, used for marking an impression in wax or other soft substance, to be attached to a document, or otherwise used by way of authentication or security.
(n.) Wax, wafer, or other tenacious substance, set to an instrument, and impressed or stamped with a seal; as, to give a deed under hand and seal.
(n.) That which seals or fastens; esp., the wax or wafer placed on a letter or other closed paper, etc., to fasten it.
(n.) That which confirms, ratifies, or makes stable; that which authenticates; that which secures; assurance.
(n.) An arrangement for preventing the entrance or return of gas or air into a pipe, by which the open end of the pipe dips beneath the surface of water or other liquid, or a deep bend or sag in the pipe is filled with the liquid; a draintrap.
(v. t.) To set or affix a seal to; hence, to authenticate; to confirm; to ratify; to establish; as, to seal a deed.
(v. t.) To mark with a stamp, as an evidence of standard exactness, legal size, or merchantable quality; as, to seal weights and measures; to seal silverware.
(v. t.) To fasten with a seal; to attach together with a wafer, wax, or other substance causing adhesion; as, to seal a letter.
(v. t.) Hence, to shut close; to keep close; to make fast; to keep secure or secret.
(v. t.) To fix, as a piece of iron in a wall, with cement, plaster, or the like.
(v. t.) To close by means of a seal; as, to seal a drainpipe with water. See 2d Seal, 5.
(v. t.) Among the Mormons, to confirm or set apart as a second or additional wife.
(v. i.) To affix one's seal, or a seal.
Example Sentences:
(1) To provide a seal with low pressure-high volume cuffed tubes, cuff sizes of 20.5 mm and 27.5 mm are recommended for female and male patients, respectively.
(2) Cermet cement sealings showed defects more frequently.
(3) The channels usually ceased conducting within a few minutes after seal formation with the patch pipette and could not be re-activated with depolarizing voltage steps.
(4) For all the understandable insistence that parliament and London would continue as normal after Wednesday’s terrorist attack, almost 24 hours later a large section of streets around the area remained sealed off by police.
(5) Tone pulses and noise stimuli were mixed acoustically and presented using calibrated, sealed stimulating systems.
(6) In general, after recording a baseline tympanogram, mechanically created positive and negative air pressures are created in a hermetically sealed ear canal causing increased pressure on the middle ear air cushion.
(7) Ecological evidence is considered to suggest that the rapid maturation of C. semerme in rats may also occur when the parasite becomes established in seals.
(8) Increased conversion of 25-OHD to 24,25-(OH)2D and a high capacity for vitamin D storage in their large blubber mass appeared to be factors in the resistance of seals to vitamin D toxicity.
(9) The mechanism of sealed-off perforation of the duct is discussed.
(10) Membranes were sandwiched between two gas-permeable, plastic foils, placed in a sealed cuvette, and gassed with H2 as reductant or O2 as oxidant.
(11) Treatment animals had the anastomoses and graft sealed with a suspension of N-butyl-2-cyanoacrylate and 1.2 g tobramycin powder (antibiotic glue, ANGL) after contamination.
(12) The results demonstrated that, when the coronal half of the root canal filling material was removed immediately after placement with pluggers, there was a loss of the apical seal and leakage in thirteen of twenty teeth.
(13) Ultrastructural study of the Leydig cells of nonbreeding crabeater, leopard and Ross seals showed that three types of cells could be distinguished.
(14) National bans on commercial trading in seal products are already in place in 30 countries including the US, the Netherlands and Italy.
(15) Under these conditions, with careful attention to sealing at ankles and waist, it was possible to estimate penetration as low as 0.3%.
(16) We used transvitreally delivered cyanoacrylate tissue adhesive to seal retinal breaks in 25 selected patients undergoing vitreous surgery for complicated retinal detachment.
(17) To date, numerous products have been evaluated, and many hundreds have received the council's seal of acceptance.
(18) She explained that, as a baby, she had been subjected to female genital mutilation (FGM): her clitoris cut off and her vagina sealed, with only a small hole remaining for urine and menstruation.
(19) After accidental dissection of the thoracic duct in infants, leakage of chyle could be sealed successfully in 6 cases.
(20) These microcapsules can be dried and retain activity when sealed in a jar at 4 degrees C.
Sepal
Definition:
(n.) A leaf or division of the calyx.
Example Sentences:
(1) In agamous-1, stamens to petals; in apetala2-1, sepals to leaves and petals to staminoid petals; in apetala3-1, petals to sepals and stamens to carpels; in pistillata-1, petals to sepals.
(2) The PR-1 class of proteins (biological function unknown) is located in sepal tissue.
(3) Sepal primordia then arise (stage 3) and grow to overlie the primordium (stage 4).
(4) In the families of flowering plants in which these organs occur, they are patterned with the sepals in the outermost whorl or whorls of the flower, with the petals next closest to the center, the stamens even closer to the center, and the carpels central.
(5) In flowers, expression was observed in sepals, anthers, and carpels, but not in petals.
(6) LAT52 mRNA is not detectable in pistils, sepals or non-reproductive tissues.
(7) Mutation of this gene (defA-1) causes homeotic transformation of petals into sepals and of stamina into carpels in flowers displaying the 'globifera' phenotype, as shown by cross sections and scanning electronmicroscopy of developing flowers.
(8) In ag mutants, the loss of AG function leads to the conversion of these organs to the perianth organs (petals and sepals).
(9) We found that AG RNA is present in the stamen and carpel primordia but is undetectable in sepal and petal primordia throughout early wild-type flower development, consistent with the mutant phenotype.
(10) New mutations at the APETALA2 locus, ap2-2, ap2-8 and ap2-9, cause homeotic conversions in the outer two whorls: sepals to carpels (or leaves) and petals to stamens.
(11) Comparative studies between two pea cultivars, one with a high incidence of seed transmission and one with none, showed that PSbMV infected the floral tissues (sepals, petals, anther and carpel) of both cultivars, but was not detected in ovules prior to fertilization.
(12) We also showed that both promoters can function independently and that the chiA PA1 promoter is expressed in limb (epidermal and parenchyma cells), tube (inner epidermal and parenchyma cells), seed (seed coat, endosperm, and embryo), sepal, leaf, and stem.
(13) The distribution of beta-glucuronidase activity in these transgenic plants is very similar to that of endogenous PAL2 transcripts in bean, with very high levels in petals; marked accumulation in anthers, stigmas, roots, and shoots; and low levels in sepals, ovaries, and leaves.
(14) Mutations in the APETALA3 (AP3) gene of A. thaliana result in homeotic transformations of petals to sepals and stamens to carpels.
(15) Its expression is greater than 50-fold higher in sepals and greater than 500-fold higher in the rest of the flower than in leaves or roots.
(16) Upon mutation of the gene, petals are transformed to sepals and stamens to carpels, indicating that deficiens is essential for the activation of genes required for petal and stamen formation.
(17) Transcripts are present in petals, stamens and pistil but are not detectable in sepals.
(18) However, PR-2 polypeptides were observed only in sepal tissue.
(19) AP2 is a floral homeotic gene that is necessary for the normal development of sepals and petals in floral whorls 1 and 2.
(20) The fbp2 gene is expressed in petals, stamen, carpels, and at a very low level in sepals but not in vegetative tissues.