(n.) A portion of dead bone which becomes separated from the sound portion, as in necrosis.
Example Sentences:
(1) The second case concerns a 11 year-old boy who, after having complained from pain of the right wrist during 2 weeks, presented with swelling and on X-ray films a picture of metaphyso-epiphyseal lysis and an aspect of sequestrum in its center.
(2) After platinectomy and excision of a bony sequestrum, there remained only a large fossa with an area equivalent to 3 times that of a usual fenestra ovale.
(3) Direct local thrombolysis with low-dose Urokinase resulted in partial recanalisation with an excellent clinical result despite the persistence of an endovenous sequestrum situated at the catheter tip, a sequela of previous thrombosis.
(4) This may be explained by a different condition of the adipocytes in the sequestrum.
(5) The retained eruption sequestrum may lead to pericoronitis or pit and fissure caries.
(6) Unlike a simple fungus ball (the saprophytic form of aspergillosis), the rounded density of invasive pulmonary aspergillosis consists of sequestrum of devitalized lung tissue owing to blood vessel invasion by Aspergillus hyphae.
(7) The most frequent pulmonary cysts in this series were the bronchogenic and patients with parasitic cysts, lobe emphysema and pulmonary sequestrum were excluded.
(8) A slight loss of crestal alveolar bone occurred in the experimental areas and a bone sequestrum formed in one instance.
(9) Complications included skin loss (5 horses), laminitis of the affected limb (2 horses), laminitis of the contralateral limb (4 horses), osteomyelitis and sequestrum formation (2 horses), and bacteremia (1 horse).
(11) A case of osteomyelitis with a typical sequestrum of the alveolar bone, occurred three months after the extraction of the corresponding tooth, is reported.
(12) In Patient 1, septic arthritis and juxta-articular osteomyelitis with sequestrum formation were demonstrated by CT four weeks before abnormalities were shown on a roentgenogram.
(13) The only role of surgery is incision and drainage of a post-auricular abscess and removal of sequestrum if present.
(14) Sequestrectomy should be reserved for cases where a sequestrum and adequate involucrum can be seen on X-ray.
(15) Protein concentration was determined, using the Bradford technique, in tears from cats with normal corneas and from cats with corneal sequestrum.
(16) Two patterns occur: a localized involvement of the tympanic plate which resolves after the spontaneous separation of a sequestrum of bone, and a more diffuse necrosis of the temporal bone with a high risk of involvement of adjacent structures, in particular the brain, labyrinth and facial nerve and to a lesser extent the temporomandibular joint and the parotid gland.
(17) On the border between the two areas hypervascularity produces a zone of fragility where microfractures develop with detachment of a sequestrum.
(18) The radiographs may demonstrate an eggshell appearance, a sequestrum, marked sclerosis, or cystic changes.
(19) In most cases, SI analysis of nonenhanced T1- and T2-weighted images allows the differentiation of hypervascularized viable tissue from hypovascularized necrotic tissue of the sequestrum.
(20) The infant presented with Livedo reticularis and an ulcer on the right forearm since birth; the underlying radius and ulna showed osteomyelitic changes with sequestrum formation and a pathological fracture.
Tissue
Definition:
(n.) A woven fabric.
(n.) A fine transparent silk stuff, used for veils, etc.; specifically, cloth interwoven with gold or silver threads, or embossed with figures.
(n.) One of the elementary materials or fibres, having a uniform structure and a specialized function, of which ordinary animals and plants are composed; a texture; as, epithelial tissue; connective tissue.
(n.) Fig.: Web; texture; complicated fabrication; connected series; as, a tissue of forgeries, or of falsehood.
(v. t.) To form tissue of; to interweave.
Example Sentences:
(1) In conclusion, the efficacy of free tissue transfer in the treatment of osteomyelitis is geared mainly at enabling the surgeon to perform a wide radical debridement of infected and nonviable soft tissue and bone.
(2) If ascorbic acid was omitted from the culture medium, the extensive new connective tissue matrix was not produced.
(3) The interaction of the antibody with both the bacterial and the tissue derived polysialic acids suggests that the conformational epitope critical for the interaction is formed by both classes of compounds.
(4) The Cavitron Ultrasonic Surgical Aspirator (CUSA) is a dissecting system that removes tissue by vibration, irrigation and suction; fluid and particulate matter from tumors are aspirated and subsquently deposited in a canister.
(5) Bilateral symmetric soft-tissue masses posterior to the glandular tissue with accompanying calcifications should suggest the diagnosis.
(6) In cardiac tissue the adenylate system is not a good indicator of the energy state of the mitochondrion, even when the concentrations of AMP and free cytosolic ADP are calculated from the adenylate kinase and creatine kinase equilibria.
(7) Spectrophotometric determination of the sulfhydryl content in the animal tissue before (control) and after using 6,6'-Dithiodinicotinic acid is applied.
(8) Microionophoretically applied excitatory amino acids induced firing of extracellularly recorded single units in a tissue slice preparation of the mouse cochlear nucleus, and the similarly applied antagonist 2-amino-5-phosphonovalerate (2APV) was demonstrated to be a selective N-methyl-D-aspartate (NMDA) receptor antagonist.
(9) The vascular endothelium is capable of regulating tissue perfusion by the release of endothelium-derived relaxing factor to modulate vasomotor tone of the resistance vasculature.
(10) Quantitative determinations indicate that the amount of PBG-D mRNA is modulated both by the erythroid nature of the tissue and by cell proliferation, probably at the transcriptional level.
(11) The human placental villus tissue contains opioid receptors and peptides.
(12) Some of those drugs are able to stimulate the macrophages, even in an aspecific way, via the gut associated lymphatic tissue (GALT), that is in connection with the bronchial associated lymphatic tissue (BALT).
(13) The diffusion of Myocamicin in the prostatic tissue of patients undergoing prostatectomy after a single oral dose of 600 mg has been studied.
(14) Blood flow decreased immediately after skin expansion in areas over the tissue expander on days 0 and 1 and returned to baseline levels within 24 hours.
(15) However, decapitation did not eliminate the sex difference in the tissue content of P4 during control incubations.
(16) Content of cyclic nucleoside monophosphates was decreased in all the eye tissues in experimental toxico-allergic uveitis as well as penetration of cAMP into the fluid of anterior chamber of the eye.
(17) Histological studies of nerves 2 years following irradiation demonstrated loss of axons and myelin, with a corresponding increase in endoneurial, perineurial, and epineurial connective tissue.
(18) None of the other soft tissue layers-ameloblasts, stratum intermedium or dental follicle--immunostain for TGF-beta 1.
(19) One of these antibodies, MCaE11, was used for immunohistochemical detection of MAC in tissue and for quantification of the fluid-phase TCC in ethylenediaminetetraacetic acid plasma.
(20) A quantitative comparison of tissue distribution and excretion of an orally administered sublethal dose of [3H]diacetoxyscirpenol (anguidine) was made in rats and mice 90 min, 24 hr, and 7 days after treatment.