(n.) A rare metallic element, occurring in the minerals cerite, allanite, monazite, etc. Symbol Ce. Atomic weight 141.5. It resembles iron in color and luster, but is soft, and both malleable and ductile. It tarnishes readily in the air.
Example Sentences:
(1) Moreover, lanthanum itself as well as lanthanides other than cerium, e.g., gadolinium and didymium (praseodymium, neodymium), were successfully applied and can be recommended as capture agents for phosphatase cytochemistry.
(2) Electron energy-loss spectroscopic element-distribution images are acquired from cytochemical reaction products in a variety of cellular objects: (1) colloidal thorium particles in extra-cellular coat material, (2) iron-containing ferritin particles in liver parenchymal cells, (3) barium-containing reaction products in endoplasmic reticulum stacks, (4) elements present in lysosomal cerium- and barium-containing precipitates connected with acid phosphatase (AcPase) or aryl sulphatase (AS) enzyme activity.
(3) Vibratome sectons are incubated at 37 degrees C for 60 min in 0.1 M Pipes buffer, pH 7.8, containing 3 mM cerium chloride and 0.1 mM sodium urate.
(4) After smoke exposure was completed, tracheal segments were incubated in a modification of the ultrastructural cerium chloride technique that was devised by Briggs et al.
(5) A similar decrease of cerium retention in gut and whole body was obtained after simultaneous or 24 hours' delayed DTPA administration.
(6) Short (t less than 1 h) postfixation with either OsO4 plus K4Fe (CN)6 or OsO4 plus aminotriazole, added to lysosomal cerium localization a high membrane contrast.
(7) Sixty-four patients aged 16-74 years with total body surface area burns (TBSA) ranging from 30 to 90 per cent, were given one bathing in 0.04 M cerium nitrate within 4 h of admission to hospital.
(8) The new mode is based on the conversion of cerium phosphate into cerium oxalate.
(9) Lead is prevalently replaced by cerium as trapping agent in phosphatase cytochemistry to prevent non-specific precipitation.
(10) Microanalysis by electron microprobe permitted: (i) the lysosomal localization of cerium to be determined; and (ii) the lysosomal coprecipitation of cerium with phosphorus to be demonstrated.
(11) Two characteristic-line x-ray sources, one using the split K alpha 1 and K alpha 2 lines of lanthanum excited by a high-energy electron beam and the other using the K alpha lines of barium and cerium, were studied.
(12) The cerium perhydroxide technique is especially suited for demonstrating the lymphatic capillaries.
(13) The amount of cerium excreted in faeces was somewhat smaller in the nafenopin-treated animals during the whole experiment.
(14) Experiments with a daily intake marker suggest that cerium was not satisfactory as a multiple marker in which neutron activation analysis was the method of determination.
(15) The localization of the basal AC activity in heart tissue seems to be better with cerium as capture agent than with lead.
(16) The vacuolar marker enzymes adenosine triphosphatase (ATPase) and alkaline phosphohydrolase (ALPase) were assayed by the ultracytochemical cerium precipitation technique.
(17) A modified Wachstein-Meisel medium containing lead or cerium as capturing ions was used to localize Ca2+-Mg2+ adenosine triphosphatase (ATPase; EC 3.6.1.3) in rat incisor ameloblasts during enamel formation.
(18) Cerium chloride staining techniques demonstrated that H2O production was not dependent on phagocytosis or the presence of immune serum, although levels were increased by the presence of the latter.
(19) The cerium-based method was used to demonstrate cytochemically the ultrastructural localization of alkaline phosphatase (ALPase), 5'-nucleotidase (5'-Nase) and magnesium-dependent adenosine triphosphatase (Mg-ATPase) on the transitional epithelium of the rat urinary bladder.
(20) We have optimized a cerium-diaminobenzidine-based method for histochemical analysis of glucose-6-phosphatase (G6Pase) activity and have determined quantitative data on the zonal distribution pattern in the liver acinus of fasted male rats.
Corium
Definition:
(n.) Armor made of leather, particularly that used by the Romans; used also by Enlish soldiers till the reign of Edward I.
(n.) Same as Dermis.
(n.) The deep layer of mucous membranes beneath the epithelium.
Example Sentences:
(1) The authors tested their own technique, using transplants or implants of corium, fascia, dura mater and polyester net, internally in the tendons, fastening them with an external cross suture.
(2) Deposition of MPS from ointment and gel in corium and subcutis of different animal species has been improved by the keratolytic activity of the salicylic acid component.
(3) The histopathalogical lesions of the respiratory nasal mucosa were in the form of squamous metaplasia and spongiosis of the lining epithelium, with oedema of the underlying corium, glandular hyperplasia submucosal cellular infiltration, increased vascularity and some vascular changes in the form of endothelial proliferation with intimal thickening.
(4) After topical application of gels and creams containing flufenamic acid the substance exerts a fluorescent painting in corium and subcutis of histological slides.
(5) A more-or-less horizontal, butterfly-shaped interrupted suture that extends upward is recommended to ensure secure placement of the knot at the lower border of the corium.
(6) Striated muscle febers that appear to end in the corium are connected with the smooth muscle network through the elastic fibers which appear to function as the tendon of these two types of muscle cell.
(7) Degenerative changes and arteriosclerosis are constant histological findings in the corium, with chronic thrombi and chronic granulation tissue.
(8) In spite of the existence of a large amount of leprosy bacilli at the areas of corium and subcutis, some of Meissner's corpuscles, Vater-Pacinian corpuscles (or Golgi-Mazzoni's corpuscles) and Krauze's end bulbs-like structures were observed.
(9) By way of dermabrasion, we removed the pigmented nevus cell-tissue with its focal arrangement in the upper corium.
(10) The results of experimental studies with the use of two biostatic materials: solvent-preserved human dura mater (Tutoplast-Dura--Pfrimmer-Vigo) and lyophilized porcine dermis (Zenoderm-Corium implant--Ethicon) as prosthesis of deficient, abdominal wall tissue are submitted.
(11) The vascular alterations in the upper corium which are quite regularly found in the apparently-non-affected skin, are probably restricted to the extracerbations of the disease.
(12) Histologically, there is a distinctive edema in the upper corium and perivascular infiltrates, consisting of polynuclear leucocytes with leucocytoclasia.
(13) Hoof alterations are only painful in cases, where the corium is irritated.
(14) Neutrophils passed out of the vessels through the gaps and fenestrations and migrated towards the epidermis throughout the distinctly edematous corium.
(15) Deposition of MPS in the nude mouse, rat, guinea pig, rabbit and pig can be demonstrated by metachromatic staining of cellular elements of the corium and subcutis.
(16) By preoperative epilation it seems possible to induce the catagen phase of the hair cycle during which the follicles migrate into the corium and thus will be transplanted as complete morphological units.
(17) After isolation of the epithelium by a procedure involving collagenase treatment and physical removal of the corium, increasing serosal [K+] still produced a depression of Isc but no significant recovery phase.
(18) The viral antigen was found in single cells or in clusters of cells in the surface epithelium, skin appendages, and corium.
(19) Mild to moderate degeneration of fibrocytes and cellular infiltration were found in the corium of skin treated with FX, Bd, DAS and T 2.
(20) The pharyngo-oesophageal venous plexus in the laryngopharynx and cervical oesophagus provides rigidity to the surrounding corium and so ensures the integrity of the corium during sphincter relaxation.