What's the difference between asteroid and iris?

Asteroid


Definition:

  • (n.) A starlike body; esp. one of the numerous small planets whose orbits lie between those of Mars and Jupiter; -- called also planetoids and minor planets.

Example Sentences:

  • (1) Lipase from Geotrichum asteroides appears more resistant to high temperatures and pH changes than the enzyme from Penicillium sp.
  • (2) This strain of the organism fits a pattern of susceptibility that is rare among N asteroides isolates in general and has been called the type 5 pattern, described as a resistance to broad spectrum cephalosporins, ciprofloxacin, and all aminoglycosides except amikacin.
  • (3) Within 18-24 h asteroid bodies consisting of an amorphous centre with fine radiating needle crystals were seen.
  • (4) The study deals with the phagocytosis of Nocardia asteroides (strain Weipheld) and the subsequent intracellular proliferation in peritoneal macrophage cells.
  • (5) Chalky white colonies, 0.5 to 1.0 mm in diameter, that were subsequently identified as N. asteroides grew well on the BCYE media.
  • (6) This must be regarded as an antigen-antibody precipitate corresponding to the "asteroid body" of previous authors.
  • (7) All six N. brasiliensis and six N. otitidis-caviarum were susceptible to gentamicin and minocycline, while all 15 N. asteroides were not.
  • (8) Microtubules and centrioles were not found in asteroid bodies, although a centriolar field was present in 1 giant cell close to the plasma membrane, completely unrelated to the asteroid body.
  • (9) Complications are unusual, but of the ones that do occur, infection, particularly with Nocardia asteroides, and fibrosis are the most common.
  • (10) The somewhat fortuitous isolation of Nocardia asteroides and its significance are discussed.
  • (11) The pathogenicity of Nocardia asteroides and other strains of different Nocardia species against chicken embryos was investigated.
  • (12) An acute suppurative abscess characterizes the lesions of N. asteroides.
  • (13) The inner solar system is filled with dust between the planets, called the zodiacal cloud, which starts out at the asteroid belt and slowly drifts towards the sun.
  • (14) Ominously, researchers have already discovered that there must be ten times as many potentially dangerous asteroids out there with sizes of the order of tens of metres as previously thought.
  • (15) With N. asteroides, the direct plating method gave equivocal results.
  • (16) The organism identified as Nocardia asteroides resisted to sulfonamide and cotrimoxazole but sensitive to chloramphenicaol and streptomycin in vitro.
  • (17) These findings and clinical observations suggest that inhibition of N. asteroides by neutrophils may be important in vivo.
  • (18) Evidence for the possible developmental pathway of the Schaumann body is provided by morphological changes within myelinoid figures intimately related to the asteroid body.
  • (19) Two and one half years later N. asteroides pneumonia recurred and resulted in death from respiratory failure.
  • (20) The official citation for the asteroid reads: "Iain M. Banks (1954-2013) was a Scottish writer best known for the Culture series of science fiction novels; he also wrote fiction as Iain Banks.

Iris


Definition:

  • (n.) The goddess of the rainbow, and swift-footed messenger of the gods.
  • (n.) The rainbow.
  • (n.) An appearance resembling the rainbow; a prismatic play of colors.
  • (n.) The contractile membrane perforated by the pupil, and forming the colored portion of the eye. See Eye.
  • (n.) A genus of plants having showy flowers and bulbous or tuberous roots, of which the flower-de-luce (fleur-de-lis), orris, and other species of flag are examples. See Illust. of Flower-de-luce.
  • (n.) See Fleur-de-lis, 2.

Example Sentences:

  • (1) The advantages of the incision through the pars plana ciliaris are (1) easier approach to the vitreous cavity, (2) preservation of the crystalline lens and an intact iris, and (3) circumvention of the corneal and chamber angle complications sometimes associated with the transcorneal approach.
  • (2) The so-called apparent accommodation has been measured in patients implanted with anterior chamber, iris support and posterior chamber IOLs.
  • (3) These patients did not have narrow anterior chamber angles preoperatively, and several were aphakix with surgical iris colobomas.
  • (4) A 1.5-year-old girl presented with a peripheral iris mass.
  • (5) In normal as well as in cirrhotic subjects somatostatin infusion provoked a marked reduction of the IRI plasma level and this was uninfluenced by subsequent glucagon administration.
  • (6) While tonic pupil and reduced sweating can be attributed to the affection of postganglionic cholinergic parasympathetic and sympathetic fibres projecting to the iris and sweat glands, respectively, the pathogenesis of diminished or lost tendon jerks remains obscure.
  • (7) Adrenergic desensitization of the eye resulted in attenuation of: The polyphosphoinositide response in the iris, measured both as loss of 32P-radioactivity from phosphatidylinositol 4,5-bisphosphate (PIP2) and as IP3 accumulation; the epinephrine-stimulated liberation of AA, from membrane phosphoinositides and other phospholipids, and PGE2 release in the iris; and the epinephrine-induced muscle contraction in the iris dilator.
  • (8) ChAT activities of the iris, adrenal gland, and superior cervical ganglion were similar in all groups.
  • (9) Plasma glucose, insulin (IRI), glucagon (IRG) and SRIF-LI were measured.
  • (10) The appearance in aqueous humor of selected metabolites of arachidonic acid metabolism at various times was correlated with the influx of protein and myeloperoxidase activity in the iris-ciliary body.
  • (11) A decrease in the levels of IRI, C-peptide and biological activity of serum insulin in the 1st group indicated a possibility of type I diabetes mellitus in such patients.
  • (12) When using a nylon thread for the attachment of a pseudophakos to the iris, it may happen that the suture is slung tightly around the implant-lens.
  • (13) Iris prolapse did not interfere with the procedure.
  • (14) While there are many potential causative factors, erroneous concepts of IOL positioning and design appear to have led to PBK with many iris-supported and anterior chamber lens styles.
  • (15) Examples include the specific pattern of hypodontia seen before the development of iris dysplasia in Rieger syndrome, and the presence of supernumerary teeth and facial osteomas preceding malignant transformation of intestinal polyps in Gardner syndrome.
  • (16) Soft lenses also provide the options of disposability and of iris color change.
  • (17) Fluorescence angiography of the iris was performed on 135 patients with diabetes mellitus.
  • (18) These increases paralleled the in vitro rise in iris [3H]norepinephrine ([3H]NE) uptake, a measure of the presence of functional nerve terminal membrane.
  • (19) Pigmentations are significantly related to the colour of the iris (visible in 8% of blue irides, against in 40% of brown).
  • (20) Plasma C-peptide immunoreactivity (CPR) and immunoreactive insulin (IRI) increased during the infusion.