(n.) The act of discoloring, or the state of being discolored; alteration of hue or appearance.
(n.) A discolored spot; a stain.
Example Sentences:
(1) Discoloration and pulpal obliteration were the major manifestations.
(2) The etched porcelain laminate veneer is a new conservative treatment that offers a solution to fractured, discolored, and worn anterior teeth.
(3) In a relative safe way many types of discoloration can be treated.
(4) Treatment did not influence total or percent discolored areas.
(5) After 24 h, the extensor digitorum longus and tibialis anterior muscles appeared grossly swollen (edematous) and discolored.
(6) Scar tissue and leukoderma-type discoloration of the skin due to deep burns are treated by dermabrasion and thin split-thickness skin-graft application.
(7) The test strips are not absolutely yeastspecific, since problem organisms and molds may cause a brown discoloration.
(8) Interest in the use of bleaching for treatment of discolored teeth is increasing.
(9) The discolored area had enlarged during a recent pregnancy, contained multiple subcutaneous nodules, demonstrated increased cellularity and mitotic activity, and was associated with an axillary lymph node containing black streaks within the capsule.
(10) Subjects who developed dark brownish discoloration on the facial surfaces of their anterior teeth during a 3-week period following professional cleaning of the teeth were selected for study.
(11) The hearts of these rats were enlarged and discolored.
(12) The surgical procedure consisted of debriding muscle tissue which showed impaired contractility, consistency, discoloration or lack of capillary bleeding--current criteria of non-viability.
(13) The second group included generally younger patients (average age 2.9 years) in whom misformulation of rifampicin preparations for treatment of Haemophilus influenzae Type B resulted in bright reddish-orange discoloration to the skin.
(14) Circumpulpal discoloration commenced on the sixth day postmortem and increased to 18 days.
(15) A yellow compound was isolated from commercially available, discolored, polyethylene ophthalmic closures containing titanium dioxide and butylated hydroxytoluene (I).
(16) A weak chelator did not alter the discoloration tendency.
(17) Five patients are reported in whom brownish grey discoloration occurred on the light-exposed parts of the dermis after long-term amiodarone-medication.
(18) Chicks exhibited cerebellar and cerebral encephalitis characterized by brown-red discoloration of affected brain tissue.
(19) The risk factors studied included: donor parameters (age, sex, cause of death, haemodynamic parameters and renal function); retrieval parameters (kidney alone or multiorgan harvesting, discoloration and renal perfusion quality); organ characteristics (multiple arteries and cold ischemia time); recipients parameters (age, sex, prior transplantation, local transplantation or not, and HLA matching).
(20) With the breakdown of trapped hemoglobin, iron-containing hemosiderin is stored in synovial tissue producing rusty discoloration and proliferative reaction.
Purpura
Definition:
(n.) A disease characterized by livid spots on the skin from extravasated blood, with loss of muscular strength, pain in the limbs, and mental dejection; the purples.
(n.) A genus of marine gastropods, usually having a rough and thick shell. Some species yield a purple dye.
Example Sentences:
(1) Purpura fulminans is the cutaneous manifestation of acute activation of the clotting mechanism resulting in massive hemorrhage due to an intravascular consumption coagulopathy.
(2) A close correlation between purpuric reaction and drugs was observed in seven cases of chronic pigmented purpura.
(3) The criteria selected by a classification tree method were similar: palpable purpura, age less than or equal to 20 years at disease onset, biopsy showing granulocytes around arterioles or venules, and gastrointestinal bleeding.
(4) The association of idiopathic thrombocytopenic purpura (ITP) and pregnancy is of special therapeutic significance because it increases the risk to mother and infant during labor.
(5) Two cases with brain purpura following Gram-negative septicaemia were examined morphologically and immunohistochemically.
(6) Chronic idiopathic thrombocytopenic purpura (ITP) is an autoimmune disorder in which the abnormality in cellular immunity has remained only vaguely defined.
(7) Idiopathic thrombocytopenic purpura (ITP) is more frequently seen in young females than in any other age or sex group.
(8) An eight-day-old girl suffered from purpura fulminans at her four extremities, skull, bladder, ovary and vagina.
(9) Sera from 24 children with Henoch-Schönlein purpura (HSP) and 25 controls were tested for rheumatoid factor (RF) of various isotypes.
(10) The discoveries that in Graves' disease and myasthenia gravis there are IgG antibodies directed against receptors sites are examples of such developments, while "ikiopathic" thrombocytopenic purpura is now accepted as immunological owing to its behaviour during pregnancy.
(11) We attempted to search for any specific change in the immune system during the onset of childhood acute immune thrombocytopenic purpura (ITP) in order to clarify the pathophysiology of acute ITP by examining the lymphocyte subset, lymphocyte blastogenic response, serum complements, and immunoglobulins in 18 patients with childhood acute ITP and 18 controls (control values after normalization).
(12) The hematoma resulted from intraparenchymal bleeding due to Henoch-Schönlein purpura.
(13) Verotoxin-producing E. coli (most frequently E. coli O157) have been implicated in the pathogenesis of diarrhea, hemorrhagic colitis, hemolytic uremic syndrome and thrombotic thrombocytopenic purpura.
(14) The action of intravenous immunoglobulins (IVIG) in autoimmune diseases, especially in idiopathic thrombocytic purpura seems to be due to Fc-receptor blockade and immunomodifying qualities.
(15) Newborn infants with congenital homozygous protein C deficiency develop catastrophic thrombosis (purpura fulminans) and will not survive beyond the neonatal period without protein C replacement.
(16) The onset of purpura in this patient was during the incubation of rubella before the initiation of immune response, suggesting that in some patients the mechanism of platelet damage in ITP associated with rubella is through a direct effect of the virus, rather than by circulating antibodies.
(17) At autopsy there were scattered purpura on the skin, and the muscles were atrophic and yellowish-grey in color.
(18) 18 patients with proven autoimmune thrombocytopenic purpura (ATP) (group A) were screened for human lymphocyte antigens (HLA) and compared with 13 patients with secondary thrombocytopenic purpura (group B).
(19) Five patients with post-transfusion purpura (four due to Zw(a), one presumably due to HLA antibodies) were treated with intravenous immunoglobulin (IgG) at doses of 0.4 g per kg body weight.
(20) We have investigated the methods for the maintenance of a pregnancy in a patient with thrombotic thrombocytopenic purpura (TTP), said condition, since 1984, having been controlled by a plasma infusion every 3 to 4 weeks.