What's the difference between knob and knoll?

Knob


Definition:

  • (n.) A hard protuberance; a hard swelling or rising; a bunch; a lump; as, a knob in the flesh, or on a bone.
  • (n.) A knoblike ornament or handle; as, the knob of a lock, door, or drawer.
  • (n.) A rounded hill or mountain; as, the Pilot Knob.
  • (n.) See Knop.
  • (v. i.) To grow into knobs or bunches; to become knobbed.

Example Sentences:

  • (1) The narrow intercellular ridge is smooth, whereas the epithelial cells have small cytoplasmic knobs between the cilia.
  • (2) The histochemical study of the LDH in the Trout embryo during the early organogenesis shows a specific localization in notochord cells, in mesodermic cells of the terminal knob and in some prosencephalic neuroblasts.
  • (3) Motor axons possessed elongate, irregularly shaped boutons en passant and morphologically variable boutons terminaux; the latter included huge endings with knobbed projectiles arising from thick collaterals, or smaller, round boutons from thin collaterals.
  • (4) Men might not have frills and furbelows as women traditionally do, but they’ve got spurious function: knobs on their watches or extra pockets on their jackets that are just as decorative as anything women wear.” 6.
  • (5) As with established cell lines, formation of zeiotic knobs at the isolated Type 1 cell surface appeared closely related to microfilamentous nets located beneath the plasmalemma.
  • (6) The isolated cells have an ovoid soma, a dendrite of variable length which terminates in a cilia-bearing knob and an axon, also of variable length.
  • (7) In addition, some reacted with either knob protrusions or caveolae of the host erythrocyte membrane; one reacted with a parasite-derived antigen present in the erythrocyte cytoplasm.
  • (8) "It might be that you think it's just a knob on the front panel, but maybe installing it requires you disassemble the front panel, and actually you need a mechanic to come and fit it," argues Rowley.
  • (9) wt from 80 to 95 kd in different knob-producing isolates of P. falciparum and is absent in knobless variants.
  • (10) To investigate environmental influences on the development of the olfactory epithelium, semi-thin sections were taken from the nasal septum of newborn and 30-day-old rabbits; the epithelial thickness and the number of olfactory knobs, supporting cells, dark basal cells, and receptor cells were compared.
  • (11) The spores of Rif-18 are pleomorphic and frequently exhibit terminal knobs.
  • (12) To investigate the involvement of actin filaments in concanavalin A (Con A)-induced cap formation and cytochalasin B (CB)-induced zeiotic knob migration, the distribution of F-actin was studied in Con A-treated and CB-treated Ehrlich ascites tumor cells (EATC) by fluorescence microscopy using heavy meromyosin conjugated with a fluorescent dye, N-(7-dimethylamino-4-methylcoumarinyl) maleimide, (DACM-HMM).
  • (13) 205 subjects each chose a "most pleasant" sound delivered through an earphone by turning the control knob on a continuously variable audio oscillator.
  • (14) Knobs which appear on the membrane of the infected erythrocytes adhere to the endothelium, causing the obstruction of cerebral microvessels.
  • (15) Cytoadherence of infected erythrocytes in vivo is associated with the presence of knobs on the erythrocyte surface, but we and others have shown recently that cytoadherence to C32 melanoma cells may occur in vitro in the absence of knobs.
  • (16) Systemic administration of the anti-inflammatory agent indomethacin blocked vascular leakage due to endothelial gap formation but had little or no effect on trophoblast knob penetration of vessels.
  • (17) After crossectomy which remains the most important stage, a short stripping is performed in an upward direction, substituting a packing for the olive shaped knob normally used.
  • (18) Under scanning electron microscopy, O. viverrini eggs looked like musk-melon skin; they had prominent shoulders and long knobs.
  • (19) Six culture-adapted knob-positive Plasmodium falciparum parasites, four of which were nonbinding in an in vitro cytoadherence assay, were tested for the presence of the knob-associated histidine-rich protein PfHRP1.
  • (20) Instead, there were free and spiral nerve terminals in the interstitium, and epilemmal knob-like or bouton-like endings surrounding non-encapsulated muscle fibers.

Knoll


Definition:

  • (n.) A little round hill; a mound; a small elevation of earth; the top or crown of a hill.
  • (v. t.) To ring, as a bell; to strike a knell upon; to toll; to proclaim, or summon, by ringing.
  • (v. i.) To sound, as a bell; to knell.
  • (n.) The tolling of a bell; a knell.

Example Sentences:

  • (1) Inadequacies of techniques presently used have been pointed out and the advantages of using Graham-Knoll's method for haemoglobin staining when counter stained with Giemsa together with autoradiography using tritiated thymidine have been demonstrated.
  • (2) The results confirmed the previous findings of Knoll on SOD activity and furthermore provided evidence that the activity of catalase is also significantly induced by the drug, which was not found in the previous study.
  • (3) He also imagined himself sitting on a grassy knoll in Poland, a country he had never visited, surrounded by rolling hills as dawn broke over the roof of the world on 26 May to reveal not a bucolic scene but the reality of his position – perched over a white abyss.
  • (4) In equianalgesic doses, azidomorphine is reported by J. Knoll, S. Fürst and K. Kelemen (The pharmacology of azidomorphine and azidocodeine.
  • (5) The effects of verapamil (Isoptin Knoll) and calcium glubionate (Calcium Polfa) were studied on the generation of free radicals and activity of anti-oxidant enzymes in rat's gastric mucosa following the oral administration of 50% ethyl alcohol.
  • (6) Partial (27 patients) or complete (5 patients) myeloperoxidase deficiency was confirmed by examination of cytochemical stains (Graham-Knoll method).
  • (7) Mean long bone length values and estimates of growth velocity are compared to data reported for the Indian Knoll and Arikara skeletal samples.
  • (8) As MAO inhibitors have beneficial effects in the treatment of malfunctions of aminergic transmitter systems (Johnstone and Marsh, 1973; Robinson et al., 1973; Birkmayer et al., 1977; Knoll, 1981; Zarifian, 1984; Riederer and Youdim, 1986) and a large amount of MAO activity seems to be localized in brain astrocytes, the function of glial cells especially with regard to their neuromodulating capacity should be focused in more detailed research in future.
  • (9) The first applications to the commission (pdf) include plans from French company EDF for new nuclear power stations at Hinckley Point and Sizewell, plus a massive offshore wind farm by Germany's RWE Innogy at Triton Knoll , off the east coast of England.
  • (10) For details regarding the pharmacology of (-)deprenyl we refer a number of reviews (Knoll 1976, 1978, 1980, 1982, 1983, 1986).
  • (11) The beach itself has plenty of grassy knolls on the surrounding slopes, where you can sunbathe in comfort and take in the dramatic scenery.
  • (12) You get a round of applause, ceremonies on grassy knolls, and then come the missiles and the tunnels.” The Obama officials’ comments underline the dismal state of relations between the Obama administration and Netanyahu after a series of damaging announcements by Israel – including again this week – regarding its determination to push ahead with settlement building in occupied East Jerusalem and the West Bank.
  • (13) Conceptual planning and architectural design have enabled the elderly residents at Maple Knoll Village, Springdale, OH, to live somewhat independent lives and to receive essential medical and nursing care.
  • (14) A British official said: "There is chatter that the SVR [Russia's Foreign Intelligence Services] and the FSB [its secret police] are planting just enough disinformation to fuel a thousand grassy knoll conspiracy theories, to muck up the forensics on the scene."
  • (15) A modified Knoll Assessment of Pressure Ulcer Potential tool was used to determine which risk factors were common among the patients.
  • (16) The Central California long bone growth curves are very similar to the Indian Knoll and Arikara from birth through dental age 2.
  • (17) in Raynaud's phenomenon as well as to its usefulness in evaluation of reconstructive arterial surgery and medical treatment with respectively thrombolytic (Brinase, Astra) and microhaemorheologic agents (Venoruton, Zyma; Arwin, Knoll) or those with an influence on systemic haemodynamic factors as in induced hypertension.
  • (18) Meanwhile, conspiracy theorists posited that the heat was a secret Spurs plot: as if, aware of James’ history of cramping, San Antonio’s head coach, Gregg Popovich, had somehow masterminded the air-conditioning failure, possibly from a grassy knoll.
  • (19) In striking contrast to MAO inhibitors which strongly potentiate the pressor effect of tyramine, (-)deprenyl was described to inhibit the tyramine-induced release of noradrenaline in vascular smooth muscle (Knoll et al., 1968).
  • (20) As compared with the doses of standard drugs required for cure of infections with drug-susceptible strains or doses of the newly developed aminoalcohols required for cure of either drug-susceptible or drug-resistant strains, each of these quinazolines effected cure of infections with the Oak Knoll strain at a remarkably small daily dose.

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