(a.) Securely placed or fastened; settled; established; firm; imovable; unalterable.
(a.) Stable; non-volatile.
Example Sentences:
(1) The catheter must be meticulously fixed to the skin to avoid its movement.
(2) The binding properties of formalin-fixed amelanotic melanoma cells were not identical to those of endothelial or unfixed target cells.
(3) On the basis of 180 interventions, they describe in detail the use of fibrin glue in myringo- and tympanoplasty for correct fixing of grafts.
(4) Theresa May signals support for UK-EU membership deal Read more Faull’s fix, largely accepted by Britain, also ties the hands of national governments.
(5) According to the finite element analysis, the design bases of fixed restorations applied in the teeth accompanied with the absorption of the alveolar bone were preferred.
(6) At a fixed concentration of nucleotide the effectiveness of elution was proportional to the charge on the eluting molecule.
(7) This suggests that molars do not maintain a fixed relationship to incisors over time, and extreme care must be taken to standardize an experiment to a specific body weight when using this method.
(8) Using an antibody to the nerve growth factor receptor (NGFR), we examined dendritic reticulum cells (DRCs) immunohistochemically in 62 formalin-fixed, paraffin-embedded lymph nodes from patients with reactive follicular hyperplasia or with various types of lymphoma.
(9) Females were killed at various times after the onset of mating or artificial insemination, oviducts were fixed and sectioned serially, and spermatozoa were counted individually as to their location in the oviduct.
(10) Rigidly fixing the pubic symphysis stiffened the model and resulted in principal stress patterns that did not reflect trabecular density or orientations as well as those of the deformable pubic symphysis model.
(11) Using a monoclonal antibody against dopamine and a rabbit antiserum against serotonin, 5-methoxytryptamine or tryptamine, we were able to achieve the simultaneous localization of two amines in glutaraldehyde-fixed sections of rat dorsal raphe nuclei.
(12) In one series of experiments, the animals were not treated before the tissues were conventionally fixed; in another, anesthetized animals were administered horseradish peroxidase 20 min before the tissues were fixed.
(13) Since all human cadaveric tissue is fixed whilst on the skeleton, we may assume that shrinkage of the muscles in such specimens is negligible.
(14) Isolated outer hair cells from the organ of Corti of the guinea pig have been shown to change length in response to a mechanical stimulus in the form of a tone burst at a fixed frequency of 200 Hz (Canlon et al., 1988).
(15) After permeabilization, with attendant partial extraction, the preparation can be fixed, then viewed by either deep-etch replication, or by high-resolution scanning electron microscopy, with structure of interest revealed in deep view.
(16) In contrast, in paraffin as well as in frozen sections of chick oviduct, fixed by immersion or in vapor, PR was exclusively nuclear, including in the absence of progesterone, and the intensity of immunostaining was not modified by progesterone treatment.
(17) Filipin-induced lesions in glutaraldehyde-fixed parasites indicated higher levels of beta-hydroxysterols in the amastigote than in the promastigote plasma membrane, and in the promastigote flagellar membrane than in the body membrane.
(18) Using a silver staining technique (AgNOR technique), we have investigated the nucleolar organizer-associated proteins (NORs) in formalin-fixed paraffin embedded conjunctival specimens of 15 intraepithelial squamous carcinomas, 10 hyperplastic-dysplastic samples and 10 control epithelial fragments; the mean number of intranuclear black dots was determined for each case.
(19) Radiologists may encounter patients with fixed dental prostheses that may produce image distortion on MRI scans of the face and jaw.
(20) A rubber cuff was fixed on the metal cylinder and let an opening of 8 cm, simulating the cervix uteri.
Lignify
Definition:
(v. t.) To convert into wood or into a ligneous substance.
(v. i.) To become wood.
Example Sentences:
(1) The parenchyma located close to the sclerenchyma became indigestible as the cell walls lignified progressively from the third stage.
(2) The recently isolated ruminal sporeforming cellulolytic anaerobe Clostridium longisporum B6405 was examined for its ability to degrade barley straw, nonlignified cell walls (mesophyll and epidermis) and lignified cell walls (fiber) of ryegrass, and alfalfa cell walls in comparison with strains of Ruminococcus albus.
(3) The NEL of hay crops and corn silages also were predicted from an expression of lignified NDF in DM with moderate precision.
(4) Consequently, study of medicinal potential, especially immunopotentiating capacity, of lignified materials is important.
(5) The increase in the digestibility of the treated straw was due to the greater access the micro-organisms had to the polysaccharides of the lignified walls.
(6) With the exception of the phloem and the crown of the parenchyma, which borders the medullary lacuna, the walls of the tissues of both treated and untreated straw were lignified.
(7) Smaller particles in the rumen and F appeared to contain more lignin (determined histochemically) and were composed of indigestible fragments of cuticle and lignified vascular tissue.
(8) The data suggest that the polymerized phenolic structure of lignified materials is responsible for the anti-influenza A virus activity.
(9) After treatment of the bran with alkali, the extent of degradation was increased three-fold as a result of saponification of ester cross-links which facilitated increased degradation of the polymers from both the aleurone and outer, lignified, layers.
(10) With an appropriate eliciting agent, intravenous administration of natural lignified substances transiently induced endogenous production of a cytotoxic factor (possibly tumor necrosis factor) in normal mice.
(11) Possible physiological relevance of the stimulation of iodination by lignified substances is discussed.
(12) Filaments and rod and coccal forms of the microbe degraded rigid forage cell walls and lignified, thick-walled sclerenchymal cells.
(13) SbPRP1 expression increased within epidermal cells in the elongating and mature regions of the hypocotyl; expression was detected also in lignified cells surrounding the hilum of mature seeds.
(14) Two other cell-wall preparations, representing lignified walls of dicotyledons and unlignified walls of vegetative parts of grasses and cereals (monocotyledons belonging to the family Poaceae), adsorbed DNP much more effectively.
(15) Natural lignified material and dehydrogenation polymers, but not their precursors, effectively inhibited the cytopathic effect of HIV infection in both these cells as well as in MT-4 and MOLT-4 cells.
(16) When sections or leaf pieces are stained in aqueous 0.05% toluidine blue O, then placed in 20% calcium chloride solution, all tissues destain except those with lignified or partially lignified cell walls.
(17) The application of the new method makes possible fast and direct detection of the pathogen in lignified plant tissues, a goal not previously achieved when a cloned probe and a dot-blot test were employed.
(18) Lignin was also localized in secondary walls of tracheary elements, sites known to be highly lignified.
(19) After 48 h of culture, all non-lignified tissues observed by scanning electron microscopy disappeared with P communis and degradation was as complete as that observed in the rumen.
(20) Various natural lignified materials and synthetic dehydrogenation polymers (the so-called synthetic lignins) prepared from several phenylpropenoids were investigated for their mitogenic activity.