What's the difference between gray and uncertain?

Gray


Definition:

  • (superl.) White mixed with black, as the color of pepper and salt, or of ashes, or of hair whitened by age; sometimes, a dark mixed color; as, the soft gray eye of a dove.
  • (superl.) Gray-haired; gray-headed; of a gray color; hoary.
  • (superl.) Old; mature; as, gray experience. Ames.
  • (n.) A gray color; any mixture of white and black; also, a neutral or whitish tint.
  • (n.) An animal or thing of gray color, as a horse, a badger, or a kind of salmon.

Example Sentences:

  • (1) The anatomic and functional development of the suprachiasmatic nuclei (SCN) was studied in the gray short-tailed opossum, Monodelphis domestica.
  • (2) While the heaviest anterogradely labeled ascending projections were observed to the contralateral ventral posterolateral nucleus of the thalamus, pars oralis (VPLo), efferent projections were also observed to the contralateral ventrolateral thalamic nucleus (VLc) and central lateral (CL) nucleus of the thalamic intralaminar complex, magnocellular (and to a lesser extent parvicellular) red nucleus, nucleus of Darkschewitsch, zona incerta, nucleus of the posterior commissure, lateral intermediate layer and deep layer of the superior colliculus, dorsolateral periaqueductal gray, contralateral nucleus reticularis tegmenti pontis and basilar pontine nuclei (especially dorsal and peduncular), and dorsal (DAO) and medial (MAO) accessory olivary nuclei, ipsilateral lateral (external) cuneate nucleus (LCN) and lateral reticular nucleus (LRN), and to a lesser extent the caudal medial vestibular nucleus (MVN) and caudal nucleus prepositus hypoglossi (NPH), and dorsal medullary raphe.
  • (3) There was good agreement between the survival of normally oxygenated cells in culture and bright cells from tumors and between hypoxic cells in culture and dim cells from tumors over a radiation dosage range of 2-5 Gray.
  • (4) White lesions (NRL) against a gray background on cut section of brain increase in size with increasing time of arrest.
  • (5) Paul Doyle Kick-off Sunday midday Venue St Mary’s Stadium Last season Southampton 2 Leicester City 2 Live Sky Sports 1 Referee Michael Oliver This season G 18, Y 60, R 1, 3.44 cards per game Odds H 5-6 A 4-1 D 5-2 Southampton Subs from Taylor, Martina, Stephens, Davis, Rodriguez, Sims, Ward-Prowse Doubtful Bertrand, Davis, Van Dijk (all match fitness) Injured Boufal (knee, Jan), Hesketh (ankle, Feb), Targett (hamstring, Feb), Austin (shoulder, Mar), Pied (knee, Jun), Gardos (knee, unknown) Suspended None Form DWLLLL Discipline Y37 R2 Leading scorer Austin 6 Leicester City Subs from Zieler, Hamer, Wasilewski, Gray, Fuchs, James, Okazaki, Hernández, Kapustka, King Doubtful None Injured None Suspended None Unavailable Amartey, Mahrez, Slimani (Africa Cup of Nations) Form LDLWDL Discipline Y44 R1 Leading scorers Slimani, Vardy 5
  • (6) Proenkephalin A-related immunoreactive neuronal perikarya were detected in the central gray, reticular formation, nucleus raphes, trapezoid body, nucleus parabrachialis lateralis and medialis, nucleus spinalis nervi trigemini, nucleus dorsalis nervi vagi, and in the nucleus tractus solitarii.
  • (7) Ratios of lobar to global gray matter metabolism also were calculated.
  • (8) To summarize this case, one should consider the possibility that excessive polytherapy induces seizures, particularly in patients with structural brain abnormalities such as heterotopic gray matter.
  • (9) But Vokes’s second-half penalty and Gray’s 61st-minute strike won it for Burnley and left Fulham two points away from the relegation zone.
  • (10) Low numbers of [125I]endothelin-1 [( 125I]ET-1) binding sites were detected in the gray matter of the human frontal cortex, with little binding in the white matter.
  • (11) North Wiltshire MP James Gray said he was "very glad" Islam4UK had abandoned its march, which he said had been shown to be a "media stunt".
  • (12) Total RNA extracted from both white and gray matter of brain tissue from multiple sclerosis (MS) patients and controls was analyzed using a reverse transcription-polymerase chain reaction for the presence of the nucleic acid of human coronavirus (HCV) 229E and OC43, the two strains characterized to date and associated with respiratory infections.
  • (13) Bouton-like terminals were found to be of two types according to their vesicle content, namely, boutons with ovoid, clear synaptic vesicles forming Gray type-1 synapses and boutons with pleomorphic clear synaptic vesicles forming Gray type-2 synapses.
  • (14) These findings support the view that the periaqueductal gray matter is actively involved in endogenous mechanisms of analgesia.
  • (15) I want to make it very clear that the state’s attorney’s office did not release the Freddie Gray autopsy report,” she said.
  • (16) ruber, anterodorsolateral midbrain tegmentum, superior and inferior colliculi, pontine gray, cerebral peduncles, medial pontine reticular formation, raphe and vestibular nuclei did not affect the acoustic structure of the calls tested.
  • (17) Single axon collaterals arising from the descending axons gave off terminal fibers to the left or the right gray matter.
  • (18) Colloidal gold labeled with monoclonal antibody recognized human hemoglobin was agglutinated with hemoglobin and changed the color from red to gray.
  • (19) Facebook Twitter Pinterest A child praying at the vigil site for Freddie Gray in Baltimore.
  • (20) Phoenix will next be seen in James Gray's Lowlife, a historical drama about immigrants in 1900s New York.

Uncertain


Definition:

  • (a.) Not certain; not having certain knowledge; not assured in mind; distrustful.
  • (a.) Irresolute; inconsonant; variable; untrustworthy; as, an uncertain person; an uncertain breeze.
  • (a.) Questionable; equivocal; indefinite; problematical.
  • (a.) Not sure; liable to fall or err; fallible.
  • (a.) To make uncertain.

Example Sentences:

  • (1) However, the mechanism of the inhibitory action is still somewhat uncertain.
  • (2) Of course the job is not done and we will continue to remain vigilant to all risks, particularly when the global economic situation is so uncertain,” the chancellor said in a statement.
  • (3) The functional significance of these early changes in the nodal region is uncertain.
  • (4) Preservation of dopaminergic and H1 neurotransmission, probably within the blood barrier, is needed to allow the neuroendocrine transduction of cholinergic inputs, whereas the role of 5-HT neurotransmission remains uncertain.
  • (5) The nature of these infiltrative foci remains uncertain; however, they are unlikely to have been of neoplastic origin and may be due to interleukin-2-induced lymphocytic infiltration.
  • (6) Whether or not any alteration in disease progression will accrue from demonstrated local downstaging is, of course, uncertain.
  • (7) Similarly, it appears that acute hydronephrosis or worsening of an existing hydronephrosis has been somewhat overlooked as a possible cause of uncertain abdominal pain during pregnancy.
  • (8) In 11 patients, the electrophysiological mechanism remained uncertain.
  • (9) The nature of the cystatin C-immunoreactive substance in some of these vascular lesions is uncertain, but it might conceivably play an additional important role in the pathogenesis of brain hemorrhage in these cases.
  • (10) The mechanism of action is still uncertain but it is believed by some workers to be similar to that of a beta-adrenergic stimulator.
  • (11) Assays of drug levels in blood and of other biochemical characteristics of psychiatric patients are being proposed for clinical application, although their utility in practice remains uncertain.
  • (12) In 26 patients, including the two reported here, etiology was uncertain (idiopathic aneurysm of the left ventricle) in as much as malformation or an infectious disease might have been the underlying cause.
  • (13) Instead of inevitable defeat there is uncertain cop-out.
  • (14) The aetiology remains at present uncertain and therefore rational therapeutic strategies are difficult to plan.
  • (15) It was concluded that (1) there is a group of patients whose histories of poliomyelitis are uncertain, and (2) the lack of clear evidence for previous denervation after extensive electrodiagnostic testing is a valid means for excluding the diagnosis of postpoliomyelitis syndrome.
  • (16) Although approximately 24,000 adolescents were questioned, the investigations together provide an uncertain picture of the habits as these are not representative for Danish adolescents.
  • (17) McCall said the outlook remained uncertain: “The economic and operating environment remains uncertain, following the high levels of disruption and more recently the UK’s referendum decision to leave the EU, as well as the recent events in Turkey and Nice, which have affected consumer confidence.
  • (18) The significance of this event is uncertain; cleaved NGF demonstrates bioactivity and no function has been attributed to the octapeptide produced (NGF-OP; Ser-Ser-Thr-His-Pro-Val-Phe-His).
  • (19) While the histogenesis of these tumors remain uncertain, it is necessary to recognize that these aggressive neoplasms may occur primarily in the skin.
  • (20) Estimates of the number of eventual TA-AIDS cases to be seen are considerably more uncertain and require additional assumptions about the incubation distribution.