What's the difference between four and quadrigeminal?

Four


Definition:

  • (a.) One more than three; twice two.
  • (n.) The sum of four units; four units or objects.
  • (n.) A symbol representing four units, as 4 or iv.
  • (n.) Four things of the same kind, esp. four horses; as, a chariot and four.

Example Sentences:

  • (1) These included bringing in the A* grade, reducing the number of modules from six to four, and a greater attempt to assess the whole course at the end.
  • (2) Low birth weight, short stature, and mental retardation were common features in the four known patients with r(8).
  • (3) It was shown in experiments on four dogs by the conditioned method that the period of recovery of conditioned activity after one hour ether anaesthesia tested 7 to 7.5 days.
  • (4) However, four of ten young adult outer arm (relatively sun-exposed) and one of ten young adult inner arm (relatively sun-protected) fibroblasts lines increased their saturation density in response to retinoic acid.
  • (5) A 61-year-old man experienced four bouts of pancreatitis in 1 year.
  • (6) The promoters of the adenovirus 2 major late gene, the mouse beta-globin gene, the mouse immunoglobulin VH gene and the LTR of the human T-lymphotropic retrovirus type I were tested for their transcription activities in cell-free extracts of four cell lines; HeLa, CESS (Epstein-Barr virus-transformed human B cell line), MT-1 (HTLV-I-infected human T cell line without viral protein synthesis), and MT-2 (HTLV-I-infected human T cell line producing viral proteins).
  • (7) In each study, all subjects underwent four replications (over two days) of one of the six permutations of the three experimental conditions; each condition lasted 5 min.
  • (8) Four cytotoxic antibiotics, bikaverin, duclauxine, PSX-1 and vermiculine, were examined with respect to their interference with glycolysis and respiration and their possible ionophoric or cytolytic activity.
  • (9) The invaginations were classified into four easily recognized types: regular, chunky, filigree, and ridge (present only in axon hillock regions).
  • (10) During the study period four family outbreaks and seven recurrences of infection were observed.
  • (11) These four antigens consisted of S of MNSs blood group, Lua of Lutheran blood group, and K and Kpa of Kell-Cellano blood group.
  • (12) Binding data for both ligands to the enzyme yielded nonlinear Scatchard plots that analyze in terms of four negatively cooperative binding sites per enzyme tetramer.
  • (13) Even so, amputation of fifteen extremities and four other major excisions were required in twelve patients.
  • (14) Four of the 39 ticks in our colony were infected with a spirochete; presumably, Borrelia crocidurae.
  • (15) Four other independent LCMV-GP2(275-289) specific H-2Db-restricted CTL clones also expressed V alpha 4 and V beta 10 gene elements.
  • (16) The hospital whose A&E unit has been threatened with closure on safety grounds has admitted that four patients died after errors by staff in the emergency department and other areas.
  • (17) Maximal covalent binding of [4,5-14C]ronidazole to DNA also required four-electron reduction, consistent with previous studies of the covalent binding of this agent to immobilized sulfhydryl groups [Kedderis et al.
  • (18) We investigated whether these peptides also affect the sleep EEG in humans when given intravenously by comparing polysomnographically the effects of four boluses of (1) placebo, (2) 50 micrograms GHRH or (3) 50 micrograms SRIF administered at 22.00, 23.00, 24.00 and 1.00 h to 7 male controls.
  • (19) Since the start of this week, markets have been more cautious, with bond yields in Spain reaching their highest levels in four months on Tuesday amid concern about the scale of the austerity measures being imposed by the government and fears that the country might need a bailout.
  • (20) In 14 of the patients the imaging results were checked against the histological findings of a subsequent thymectomy, which revealed four thymomas and (with the exception of one normal thymus) hyperplastic changes in all the others.

Quadrigeminal


Definition:

  • (a.) Alt. of Quadrigeminous

Example Sentences:

  • (1) A single and perhaps unique case of a venous malformation over the quadrigeminal plate causing acute obstructive hydrocephalus is reported.
  • (2) A comparison study of nmr and cd spectra of quadrigemine C and hodgkinsine [3], a trimeric pyrrolidinoindoline substance, led us to suggest the stereochemistry of quadrigemine C. The structure and configuration of psycholeine was determined by spectroscopic means and chemical correlation with quadrigemine C. Psycholeine interacts with somatostatin receptors and exhibits a somatostatin antagonistic activity on GH secretion by pituitary cells in primary culture.
  • (3) The 10th patient in this group had a quadrigeminal plate cyst and gross hydrocephalus.
  • (4) Arachnoid cysts of the quadrigeminal region are rare.
  • (5) One patient had a lipoma in the quadrigeminal cistern.
  • (6) Diagnosis was made at autopsy in six cases in the days before computed tomography and magnetic resonance: three patients had a cyst in the supra- and retrocerebellar midline; two had a cyst in the quadrigeminal cistern and the sixth was a rare case with the cyst passing from the posterior fossa to the left lateral ventricle through a hole in the basal surface of the brain.
  • (7) Quadrigeminal and pentageminal rhythms (19 of 20 dogs) and trigeminal (17 of 20) and bigeminal ventricular rhythms (8 of 20) were observed.
  • (8) They are located most commonly in the interhemispheric fissure and may also be found in the quadrigeminal, ambient, chiasmatic, interpeduncular, sylvian, and perimesencephalic cisterns.
  • (9) In 4 patients, the clinical presentation was that of an intracranial hypertension without signs of compression of the quadrigeminal plate involvement.
  • (10) CT revealed subarachnoid hemorrhage in the basal, quadrigeminal and supravermian cisterns and blood clots in the entire ventricle.
  • (11) About 4 cases of arterio-veinous malformations located within the occipito-cerebello-mesencephalic dihedral (which is this region of the brain including the cistern of Galen and the surrounding formations : the quadrigeminal bodies forwards, the splenium of the corpus callosum upwards, the upper face of the cerebellum and the pedonculus cerebellaris superior below) the authors related their own experience.
  • (12) A one year old boy was found to have a large tumor encompassing the pineal region and extending towards the third and lateral ventricles and quadrigeminal plate.
  • (13) The larger the tumor was, the more frequent was the displacement of the quadrigeminal plate.
  • (14) His level of consciousness gradually returned to normal but the follow-up CT scans showed a low density area with contrast enhancement in the right thalamus and obliteration of the right quadrigeminal cistern which was also enhanced with contrast medium.
  • (15) Focal midbrain atrophy, involving particularly the upper part of the quadrigeminal plate, was obvious in five cases.
  • (16) We report a survival patient with hemorrhage in the quadrigeminal plate and discuss the literature of midbrain hemorrhage.
  • (17) The predominant pattern was quadrigeminal; i.e., three sinus beats between extrasystoles.
  • (18) In this score, the amount of SAH in each perimesencephalic cistern (a. prepontine or interpeduncular cistern, b. ambient cistern, c. quadrigeminal cistern) was considered with a possible score of "0"-"3" for each cistern.
  • (19) The risk of permanent motor damage seems to be particularly high when an arachnoid cyst is located on the quadrigeminal plate.
  • (20) Computed tomography (CT) scanning demonstrated a round mass with marked contrast enhancement in the right sylvian fissure and small contrast-enhanced masses in the interpeduncular, quadrigeminal and ambient cisterns.

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