(1) The fibrous matrix and cartilage formed within the nonunion site transformed to osteoid and bone with increased vascularity.
(2) In reconstruction of the orbital floor, homograft lyophilised dura or cialit-stord rib cartilage are suitable, but the best materials are autologous cartilage or silastic or teflon.
(3) To selectively stain polyanionic macromolecules of growth plate cartilage and to prevent artifacts induced by aqueous fixation, proximal tibial growth plates were excised from rats, slam-frozen, and freeze-substituted in 100% methanol containing the cationic dye Alcian blue.
(4) Altering the time of PMA exposure demonstrated that PMA inhibited chondrocyte phenotypic expression, rather than cell commitment: early (0-48 h) exposure to PMA (during chondrocytic commitment in vitro) had little inhibitory effect on the staining index, whereas, exposure from 49-96 h (presumably post-commitment) and 0-96 h had moderate and strong inhibitory effects, respectively, on cartilage synthesis.
(5) 2) Neurotropin had no effect on the autolytic degradation of cartilage, but promoted the incorporation of 14C-acetate into the proteoglycan in the articular cartilage of rabbits.
(6) A complete review of the literature was made which shows that most chondrosarcomas occur in middle-aged males originating most often from the posterior cricoid lamina, next from the thyroid cartilage.
(7) For comparison, the expression of genes encoding type II collagen and cartilage proteoglycan core protein was also examined.
(8) In osteoarthritic cartilage, compared with normal cartilage, there was no increase in water binding but water content increased by 9 per cent and the avidity with which the newly bound water was held also increased.
(9) They were identified by the immunoblotting technique in extracts of chick articular cartilage from various sites and in extracts of cartilage from other species.
(10) A lysosomal membrane labilizer, vitamin A, exacerbated the cartilage pathology, whereas a stabilizer, cortisone, retarded it.
(11) The complete thyroid cartilage is dissected out, and then a horizontal cut is made through the cricoid cartilage.
(12) The buccal glands of adults of the Southern Hemisphere lamprey Geotria australis consist of a pair of small, bean-shaped, hollow sacs, embedded within the basilaris muscle in the region below the eyes and to either side of the piston cartilage.
(13) These observations suggest that the function of BMG is to evoke mesenchymal cell differentiation into prechondroblasts during the latent or migratory morphogenetic phase while the effect of the culture medium is to provide the bionutritional requirements for synthesis of hyaline cartilage matrix by chondrocytes during the patent phase of development.
(14) The cartilage of the concha is a valuable substitute of the bridge and the posterior wall of the external auditory conduct.
(15) the synovium has a) a direct, presumably enzymatic action on cartilage matrix and b) an indirect effect mediated through the chondrocytes.
(16) New insights into the biochemical and cell-biological alterations occurring in articular cartilage during the early phase of osteoarthrosis (OA) have been gained in the past decade by analysing experimentally induced osteoarthrosis in animals, mostly dogs and rabbits, while early phases of OA in humans so far have escaped diagnostic evaluation.
(17) The use of SDS-polyacrylamide gel electrophoresis of the cyanogen bromide derived peptides from fibrous cartilage collagens enabled to calculate type I to type II collagen ratio in this tissue.
(18) After transplantation chondrocytes from regenerated cartilage reconstructed cartilage in one out of ten transplants.
(19) Chemically isolated separate preparations of the non-aggregating protein-chondroitin-keratin sulphate (PCKS) fraction from the hyaline cartilage and hyaluronic acid (HUA) of the vitreous body and of the umbilicus were investigated by electron microscopy.
(20) Standard methods of glycosaminoglycan separation were used to confirm the presence of hyaluronic acid in sheep and rabbit articular cartilage.
Pannus
Definition:
(n.) A very vascular superficial opacity of the cornea, usually caused by granulation of the eyelids.
Example Sentences:
(1) Tissue overgrowth (pannus) was seen in all but three prostheses.
(2) The contra-indications for them are: 1. a better visual acuity with spectacles than with contact lenses, 2. advanced cases (4th degree of Amsler) whose fitting is impossible, 3. unilateral keratoconus, 4. associated diseases such as trachomatous pannus, allergic kerato-conjunctivitis.
(3) In contrast to conventionally induced collagen arthritis (CIA), the inflammatory infiltrates, filling joint spaces and synovial tissue, were extensively dominated by polymorphonuclear cells, whereas macrophage-like cells expressing class II molecules and a few T cells were seen only in the periphery of the developing pannus.
(4) These mice also have circulating rheumatoid factor (RF) and develop histological changes in their joints characterized by pannus formation, cartilage and bone erosions.
(5) In articular cartilage covered by pannus, in three patients with seropositive RA, in one with seronegative RA and in the patient with JCA a few regions with variably dense PMN infiltrates were observed.
(6) A comparable reduction in cartilage erosion, incidence of pannus, and new bone formation was noted in the drug-treated group.
(7) Towards the end of the observation period erosions of cartilage, pannus formation and periarticular foci of purulent necrobiosis were found.
(8) In rheumatoid arthritis (RA) joint inflammation is due to two processes: 1) the underlying inflammatory process (UIP) characterized by a lymphoplasmacellular infiltration of the synovial tissue, as well as pannus formation, and 2) the detritogenic synovitis (DS), a synovial response to articular wear products from cartilage and bone (detritus) that induces a preferentially fibrinous inflammation.
(9) These findings support the concept that fibroblastic pannus is derived from the underlying articular cartilage rather than adjacent tissues.
(10) At surgery, dense adhesions were found within the joint, the articular cartilage was overgrown with pannus extending out to the lateral patella, and there was extensive deformity of the femoral condyle and tibial plateau.
(11) Qualitative examination of representative sections of polyurethane conduits demonstrated thick inner capsules with numerous small islands of graft material surrounded by macrophages and bands of mature fibrous tissue, in contrast to the thinner neointima and limited anastomotic pannus ingrowth observed in ePTFE grafts.
(12) She presented with massive necrosis of the skin and abdominal pannus on the sixth postoperative day after a cesarean section for severe preeclampsia and failed induction.
(13) Pannus developed, extending over the articular surfaces, and extensive erosion of cartilage and subchondral bone occurred.
(14) The evidence from this study suggests that the mechanisms for corneal pannus formation from the limbus are quite different from those for scarring of the conjunctiva.
(15) In order to functionally characterize the ECM of synovium, synovial extracellular matrix was purified from pannus removed at joint replacement surgery.
(16) Pannus, a vascular and fibrous granulation tissue arising from the perichondral synovial membrane, extends onto cartilage surfaces as a layer of morphologically quiescent fibroblastic mesenchymal cells.
(17) The remaining 20 patients (age 15 days to 57 years) had the following diagnosis: atypical follicles (eight), conjunctivitis with or without mucopurulent discharge (ten) innactive pannus only (one), and severe anemia (one).
(18) However, cartilage and bone erosions and pannus formation were rarely observed.
(19) In this study they were used to determine, at the ultrastructural level, using immunogold staining, type II collagen fibril cleavage in articular cartilages remote from synovium and pannus of patients with rheumatoid arthritis.
(20) Review of the literature identified potential uses for this technique: (1) in the spine, for differentiation between scar tissue and recurrent disk herniation and for evaluation of epidural tumors; (2) in musculoskeletal tumors, for differentiation between tumor necrosis and peritumoral edema and for characterization and evaluation of tumors before and after treatment; (3) in the joints for delineation of cartilage and tendon tears, with intraarticular injection, and for differentiation between pannus and joint effusion, with IV injection; and (4) for delineation of infectious processes.