(n.) One of the delicate, threadlike portions of which the tissues of plants and animals are in part constituted; as, the fiber of flax or of muscle.
(n.) Any fine, slender thread, or threadlike substance; as, a fiber of spun glass; especially, one of the slender rootlets of a plant.
(n.) Sinew; strength; toughness; as, a man of real fiber.
(n.) A general name for the raw material, such as cotton, flax, hemp, etc., used in textile manufactures.
Example Sentences:
(1) During the performance of propulsive waves of the oesophagus the implanted vagus nerve caused clonic to tetanic contractions of the sternohyoid muscle, thus proving the oesophagomotor genesis of the reinnervating nerve fibres.
(2) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
(3) The variation of the activity of the peptidase with pH in the presence of various inhibitors was investigated in both control and insulted muscle fibres.
(4) Peptides from this region bind to actin, act as mixed inhibitors of the actin-stimulated S1 Mg2(+)-ATPase, and influence the contractile force developed in skinned fibres, whereas peptides flanking this sequence are without effect in our test systems.
(5) The myofibrils composed 60%, 70% and 83% in the same fibres.
(6) Immunogold electron microscopy demonstrated that outer dense fibres were the predominant immunoreactive site.
(7) Subthreshold concentrations of the drug to induce complete blockade (5 x 10(-8)M) allowed to observe a greater depression of bioelectric cell characteristics in primary than in transitional fibres.
(8) Somatostatin-like immunoreactivity has been found to occur in nerve terminals and fibres of the normal human skin using immunohistochemistry.
(9) The effect of dietary fibre digestion in the human gut on its ability to alter bowel habit and impair mineral absorption has been investigated using the technique of metablic balance.
(10) Acetylcholine (ACh) induces a K+ current in rabbit cardiac Purkinje fibres.
(11) At the light-microscopic level, adrenergic fibres were identified due to their formaldehyde-induced fluorescence.
(12) From these results, it can be suspected that the motor fibres are more vulnerable during aging.
(13) Most often, constrictor fibres follow the course of the pterygo-palatine nerve, when dilator fibres follow the infraorbital nerve.
(14) Striated muscle fibres were found in each of twenty consecutive pineal glands cultured from individual neonatal rats.2.
(15) Whereas the tight junctions of endoneurial capillaries are known to prevent certain blood-borne substances from entering the endoneurium, it was not clear whether the permeability of the pulpal capillaries, which are distant from the nerve fibres, could affect the nerve fibre environment.
(16) The percentage of energy from fat and added sugars and the amount of sodium and fibre in the diet tended to increase with energy intake.
(17) Actin is present in chromosomal spindle fibres, with consistent polarity.
(18) Ranges of V0 in the three fast fibre types mostly overlapped.
(19) Accumulations of filaments in the axons and in the perineural cells were accompanied by Rosenthal fibres.
(20) A new method of staining the keratin filament matrix allowing a visualization of the filaments in cross section of hair fibres has been developed.
Sericin
Definition:
(n.) A gelatinous nitrogenous material extracted from crude silk and other similar fiber by boiling water; -- called also silk gelatin.
Example Sentences:
(1) The onset of the symptoms, with regard to the various stages in the processing of silk, leads one to assume that the allergen involved is sericin.
(2) The sericin gene required more supercoiling for full transcription, whereas no preference for supercoiling was seen with the transcription of hsp70.
(3) Three protein binding sites have been identified in the upstream region of the sericin-1 gene.
(4) The 5' part of one sericin gene had been cloned and described by Okamoto et al.
(5) The UPE of the sericin-1-encoding gene, which is specifically expressed in the middle silk gland, also stimulates Ad2 MLP transcription in a similar manner.
(6) An allatectomy performed on fourth instar larvae promoted production of these mRNAs, suggesting that the synthesis of sericin mRNA is regulated by the titer of juvenile hormone.
(7) Templates containing multimerized SA or SC sites at -39 of the sericin-1 gene promoter were tested in MSG nuclear extracts.
(8) This explains, at least partially, the diversity of the sericins found in the cocoon.
(9) Using nuclear extracts from Bombyx mori middle silk glands (MSG) where the sericin-1 (Ser-1) mRNA is produced specifically, we have studied the in vitro transcription of the Ser-1 gene.
(10) When silk glands of the third instar larvae were transplanted into the abdomen of fifth instar larvae, substantial amounts of sericin mRNAs were induced in the transplant.
(11) The induced sericin gene activity was suppressed upon re-transplantation into the abdomen of fourth instar larvae and induced again when the second hosts grew up to fifth instar larvae.
(12) The sericin gene transcription is mostly restricted to the posterior region of the middle silk gland throughout the fifth larval instar.
(13) SGF-3 is present abundantly in the middle silk gland (MSG) where the sericin-1 gene is transcribed specifically but is also present in other cell types, though in a much less concentration.
(14) Since clusters of homeodomain binding sites can also be found in the promoters of other silk protein genes, the fibroin gene and the sericin-1 gene, these observations suggest a possible involvement of some homeobox genes in the regulation of a group of silk protein genes.
(15) In addition to quantitative adaptation of tRNAs to the composition of silk proteins (fibroin from the posterior silk gland, sericin from the middle part) and of iso-tRNAs from posterior silk gland to the major codons of fibroin mRNA, we also observe adaptation of tRNA from various tissues to the average amino acid content of proteins from fat body, gut, gonads and carcass of the silkworm.
(16) The components of the silk (fibroin and sericin) are also studied (molecular weight, composition).
(17) The middle silkgland cells also express another sericin gene (Ser2) which encodes two mRNA of 5.4 and 3.1 kb, also arising by differential splicing.
(18) Immunological investigations showed clearly that in this context sericin and also antigens from an insect of the genus anthrenus in the silk material are of allergenic importance.
(19) Promoters originating from insect genes, like the Bombyx sericin-1 gene, Drosophila hsp70 and Drosophila copia LTR, functioned as strong promoters in the embryos.
(20) The selective accumulation of tRNAs needed for decoding fibroin and sericin mRNAs which takes place during the Vth larval instar, cannot be explained by the occurrence of a preferential degradation of some tRNA species.