(n.) The material of repair in fractures of bone; a substance exuded at the site of fracture, which is at first soft or cartilaginous in consistence, but is ultimately converted into true bone and unites the fragments into a single piece.
(n.) The new formation over the end of a cutting, before it puts out rootlets.
Example Sentences:
(1) In later phases, mast cells appeared in the newly formed marrow in the external callus.
(2) The mitotic activities of various cellular components of callus tissues in different periods after tibial fracture of rat were studied with 3H-thymidine labeling and electron radioautographic method.
(3) The fractures, which appeared on roentgenograms as transverse radiolucent zones with variable callus formation, healed slowly or not at all despite treatment with calcium and vitamin D. They resembled pseudofractures (Looser's transformation zones) radiologically, but the biochemical and histologic findings were those of idiopathic osteoporosis rather than osteomalacia.
(4) The normal process of fracture healing was described in which the dual role of external callus was stressed, firstly in providing immobilisation of the fragments and secondly in providing the first bony bridge between the fragments.
(5) Pinwheel inclusions (PWs) were found in cells of callus tissue derived from explants of secondary phloem parenchyma of carrot (Daucus carota) storage root and grown on a basal medium containing zeatin and indoleacetic acid or coconut milk, naphthalene acetic acid, or combinations of these.
(6) However, we failed to demonstrate any remarkable IL-1 inhibitory activity in each fraction after gel filtration high-performance liquid chromatography of the psoriatic scale extracts or in that of extracts from the plantar callus.
(7) The lack of periosteal callus appears to be the result of a small gap and rigid fixation, rather than related to strains induced in the bone.
(8) The ages of the callus were three, five, eight, and 11 days after the fracture, that is, from before the cartilage was demonstrable on Day 5 until the enchondral bone formation started on Day 11.
(9) Biochemical analysis of the callus is reminiscent of bone from early stages of human development and normal fracture healing (e.g.
(10) Origin of roots from calluses was not accompanied by formation of buds.
(11) While some gymnasts seem more ethereal than corporeal, Beth's blisters and calluses have always been obvious.
(12) Bet v I, the major birch pollen allergen, could be extracted easily from pollen, and in low amounts from callus and leaves.
(13) In the surrounding external callus Types I, II, and III were present, but Type III was not noted in the later stages of healing.
(14) Lipids from callus cultures and suspension cultures of higher plants constitute 5 to 8% of the dry tissue's weight.
(15) Histological investigation showed that the medullary cavity was closed after 2-3 weeks, chiefly by endosteal callus.
(16) The plate-fixed bones healed more rapidly, with less periosteal callus and less angulation of the fragments, than those treated with a cast.
(17) These findings indicate that the oxygen tension around the cathode was diminished in advance of the electrically stimulated callus formation.
(18) There is increased metabolism of glycosaminoglycan collagen synthesis, and transformation of fibrous and cartilaginous callus, combined with mineralization of the latter and intensified vascular invasion into bone.
(19) Bone union can be achieved under external fixation through different pathways, ranging from callus-free gap healing under a rigid neutralization configuration to direct-contact healing with periosteal new bone formation under axially dynamized stable fixation.
(20) We compare the gene activity in heterozygotes versus homozygotes, and show variation in activity between plants regenerated independently from the same transformed callus.
Use
Definition:
(v. t.) The act of employing anything, or of applying it to one's service; the state of being so employed or applied; application; employment; conversion to some purpose; as, the use of a pen in writing; his machines are in general use.
(v. t.) Occasion or need to employ; necessity; as, to have no further use for a book.
(v. t.) Yielding of service; advantage derived; capability of being used; usefulness; utility.
(v. t.) Continued or repeated practice; customary employment; usage; custom; manner; habit.
(v. t.) Common occurrence; ordinary experience.
(v. t.) The special form of ritual adopted for use in any diocese; as, the Sarum, or Canterbury, use; the Hereford use; the York use; the Roman use; etc.
(v. t.) The premium paid for the possession and employment of borrowed money; interest; usury.
(v. t.) The benefit or profit of lands and tenements. Use imports a trust and confidence reposed in a man for the holding of lands. He to whose use or benefit the trust is intended shall enjoy the profits. An estate is granted and limited to A for the use of B.
(v. t.) A stab of iron welded to the side of a forging, as a shaft, near the end, and afterward drawn down, by hammering, so as to lengthen the forging.
(v. t.) To make use of; to convert to one's service; to avail one's self of; to employ; to put a purpose; as, to use a plow; to use a chair; to use time; to use flour for food; to use water for irrigation.
(v. t.) To behave toward; to act with regard to; to treat; as, to use a beast cruelly.
(v. t.) To practice customarily; to make a practice of; as, to use diligence in business.
(v. t.) To accustom; to habituate; to render familiar by practice; to inure; -- employed chiefly in the passive participle; as, men used to cold and hunger; soldiers used to hardships and danger.
(v. i.) To be wont or accustomed; to be in the habit or practice; as, he used to ride daily; -- now disused in the present tense, perhaps because of the similarity in sound, between "use to," and "used to."
(v. i.) To be accustomed to go; to frequent; to inhabit; to dwell; -- sometimes followed by of.
Example Sentences:
(1) Previous use of the drug is found in more than 50 per cent of the patients, and it was often followed by a neglected side-effect.
(2) These variants may serve as useful gene markers in alcohol research involving animal model studies with inbred strains in mice.
(3) Therefore, these findings may extend the use of platelets as neuronal models.
(4) All transplants were performed using standard techniques, the operation for the two groups differing only as described above.
(5) The resulting dose distribution is displayed using traditional 2-dimensional displays or as an isodose surface composited with underlying anatomy and the target volume.
(6) It was tested for recovery and separation from other selenium moieties present in urine using both in vivo-labeled rat urine and human urine spiked with unlabeled TMSe.
(7) A study revealed that the percentage of active sperm in semen 30 seconds after ejaculation was 10.3% when a nonoxynol 9 latex condom was used as opposed to 55.9% in a nonspermicidal condom.
(8) A series of human cDNA clones of various sizes and relative localizations to the mRNA molecule were isolated by using the human p53-H14 (2.35-kilobase) cDNA probe which we previously cloned.
(9) We used the polymerase chain reaction (PCR) to amplify the breakpoint area of alpha-thalassemia-1 of Southeast Asia type and several parts of the alpha-globin gene cluster to make a differential diagnosis between alpha-thalassemia-1 and Hb Bart's hydrops fetalis.
(10) The liver metastasis was produced by intrasplenic injection of the fluid containing of KATOIII in nude mouse and new cell line was established using the cells of metastatic site.
(11) Spectral analysis of spontaneous heart rate fluctuations, a powerful noninvasive tool for quantifying autonomic nervous system activity, was assessed in Xenopus Laevis, intact or spinalized, at different temperatures and by use of pharmacological tools.
(12) The hypothesis that proteins are critical targets in free radical mediated cytolysis was tested using U937 mononuclear phagocytes as targets and iron together with hydrogen peroxide to generate radicals.
(13) Questionnaires were used and the respondent self-designation method measured leadership.
(14) At 36 h postsurgery, RBCs were examined by 23Na-NMR by using dysprosium tripolyphosphate as a chemical shift reagent.
(15) Biochemical, immunocytochemical and histochemical methods were used to study the effect of chronic acetazolamide treatment on carbonic anhydrase (CA) isoenzymes in the rat kidney.
(16) Use of the improved operative technique contributed to reduction in number of complications.
(17) Down and up regulation by peptides may be useful for treatment of cough and prevention of aspiration pneumonia.
(18) Our data suggest that a rational use of surveillance cultures and serological tests may aid in an earlier diagnosis of FI in BMT patients.
(19) Using monoclonal antibodies directed against the plasma membrane of Madin-Darby canine kidney (MDCK) cells, we demonstrated previously that a glycoprotein with an Mr = 23,000 (gp23) had a non-polarized cell surface distribution and was observed on both the apical and basolateral membranes (Ojakian, G. K., Romain, R. E., and Herz, R. E. (1987) Am.
(20) Models able to describe the events of cellular growth and division and the dynamics of cell populations are useful for the understanding of functional control mechanisms and for the theoretical support for automated analysis of flow cytometric data and of cell volume distributions.