(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.
Exude
Definition:
(v. t.) To discharge through pores or incisions, as moisture or other liquid matter; to give out.
(v. i.) To flow from a body through the pores, or by a natural discharge, as juice.
Example Sentences:
(1) In addition to oncogenes, the transferred DNA contains genes that direct the synthesis and exudation of opines, which are used as nutrients by the bacteria.
(2) Exudative inflammatory processes predominate in the ulcer floor.
(3) In 60 rhesus monkeys with experimental renovascular malignant arterial hypertension (25 one-kidney and 35 two-kidney model animals), we studied the so-called 'hard exudates' or white retinal deposits in detail (by ophthalmoscopy, and stereoscopic color fundus photography and fluorescein fundus angiography, on long-term follow-up).
(4) In addition, transitional macrophages with both positive granules and positive RER, nuclear envelope, negative Golgi apparatus (as in exudate- resident macrophages in vivo), and mature macrophages with peroxidatic activity only in the RER and nuclear envelope (as in resident macrophages in vivo) were found.
(5) Furthermore, experiments with the fluorescence-activated cell sorter revealed increased forward light scatter from resting exudate PMN compared to blood PMN.
(6) In a Caucasian woman with a history of ocular and pulmonary sarcoidosis, the occurrence of sclerosing peritonitis with exudative ascites but without any of the well-known causes of this syndrome prompts us to consider that sclerosing peritonitis is a manifestation of sarcoidosis.
(7) Significant correlations existed between the average number of leukocytes in the gingival exudate and the oral hygiene indices.
(8) These killer cells could lyse a wide range of syngeneic and allogeneic lymphoid tumour cell lines in vitro, and it was found that cell suspensions from nude mice were always significantly more active than those from normal mice, and that the most active effector population was a polymorph-enriched peritoneal-exudate cell suspension.
(9) A greater degree of inhibition of migration was induced by addition of antigen to mononuclear cells from 18- and 24-hour exudate cells in comparison with 6- and 12-hour exudates.
(10) There were hemorrhages in sclera, gums and left tonsillar area and a grayish exudate on right tonsil.
(11) A large exudative retinal detachment and hypopyon developed in one eye, and cultures from the anterior chamber aspirate grew CMV.
(12) Analysis of serum, plasma and exudate proteins revealed quantitative and qualitative differences between newborn and adult rats.
(13) Several stages in its histogenesis may be discerned: I. focal necroses of hepatic cells associated with their invasion with lister Listeria; 2. appearance of cellular elements around the foci of necroses with subsequent formation of granulemas consisting mainly of leucocytes and lymphoid cells; 3. development of necrobiotic changes in the central areas of granulemas with concomitance of exudative processes; 4. organization of necrotic foci with subsequent scarring.
(14) 28 patients with non proliferating exudative diabetic retinopathy were treated with 750 mg Doxium and 1500 mg Clofibrate daily during 8.6 months on an average.
(15) Six abnormal colonoscopic appearances were documented, namely mucosal edema, ulcers, friability, punctate spots, erythematous areas and luminal exudate.
(16) Eleven effusions met one or more of three criteria commonly used to identify exudative effusions.
(17) The enhanced cytotoxicity was also present in concanavalin A- and Corynebacterium parvum-elicited peritoneal exudate cells (PEC) obtained from DMN-exposed animals while thioglycollate-elicited PEC from DMN-exposed animals displayed no increase in their cytotoxic activity as compared to vehicle-exposed animals.
(18) The specific T-cell-mediated cytotoxic potential of the peritoneal exudate of mice immunized with tumor was therefore at least 100 times greater in mice that had received BCG ip.
(19) Antibodies to the LPS preparation were demonstrated in the exudate and serum by indirect haemagglutination of sheep erythrocytes before the second LPS injection.
(20) Plasma exudation rapidly occurred 0-15 min after the intradermal injection of T-kinin.