(n.) One who, or that which, ducks; a plunger; a diver.
(n.) A cringing, servile person; a fawner.
Example Sentences:
(1) The following is a case history dealing with usage of the Swanson-Ducker designed Silastic nerve caps for the treatment of amputation-type neuromas.
(2) If one excludes the now ancient vagal theories (CAMERON 1949; CAMPBELL, 1949) which were never confirmed, all of the most recent experimental works (SARNOFF, 1952; DUCKER, 1968; LUISADA, 1967; MORITZ, 1974) confirm the adrenergic disorder of central origin during neurogenic A.P.E.
(3) Another said : "He is a cockney wide-boy agent, not unlike Jonathan in many ways: a wheeler, a dealer, a ducker, a diver.
(4) Combining the roles of chief executive and council leader also risks creating additional turmoil if the authority changes hands, argues Ann Ducker, leader of South Oxfordshire district council.
(5) At low iron(III)-concentrations (less than 10(-5) M) the fungus Aspergillus viridi-nutans Ducker & Thrower excretes desferri-ferricrocin as the main sideramine into the culture medium.
(6) Ken Ducker Yorkley, Gloucestershire • Are these letters about dispiriting phrases designed to “raise awareness”?
(7) In spite of the cockney 'ducker and diver' front, I think of him like an old-fashioned Hollywood impresario."
(8) Both prosecution and, to some extent, defence have tapped into the perception of the best English manager of the modern era over the past two weeks, the crown seeking to expose Redknapp as a ducker and diver with all the nous required to set up an anonymous offshore bank account .
Pucker
Definition:
(v. t. & i.) To gather into small folds or wrinkles; to contract into ridges and furrows; to corrugate; -- often with up; as, to pucker up the mouth.
(n.) A fold; a wrinkle; a collection of folds.
(n.) A state of perplexity or anxiety; confusion; bother; agitation.
Example Sentences:
(1) As in the protein sample, a tendency for the cis-proline residues to have the DOWN pucker was observed, but the effect was less pronounced.
(2) The ultrastructural findings of the macular pucker removed by vitreoretinal surgery are demonstrated.
(3) Sugar puckers and proton distances are very sensitive criteria to monitor molecular dynamics.
(4) Intranucleotide proton-proton distances combined with the knowledge of sugar puckers have been used to fix the glycosidic bond torsion angle (chi).
(5) High proliferative activities were found in 4 of 5 PVR membranes, in 9 of 14 PDR membranes, in 6 of 11 recurrent membranes after intraocular silicone oil tamponade, and in 2 of 6 macular pucker membranes.
(6) No "flips" to the opposite puckering for this ring were found in the simulations starting from the global minimum, although such a transition was observed for a trajectory initiated with one of the higher local minimum energy conformations.
(7) Thus, flexibility in psi as well as in omega and omega, and in the sugar pucker is indicated.
(8) These facts suggest that astrocytes play an important role in preretinal membrane formation in macular pucker.
(9) The free duplex adopts a regular right-handed B-type conformation in which all glycosidic bond angles are anti and all sugar puckers lie in the C2'-endo range.
(10) All cases occurred in eyes with existing retinal holes or tears, including eight cases of macular pucker after previous retinal detachment.
(11) The conformations of the terminal residues of helix I, which corresponds to bases (-1)-11 and 108-120 of native 5S RNA, are less well-determined, and their sugar puckers are intermediate between C2' and C3'-endo, on average.
(12) Different ester substituents affect 1,4-dihydropyridine ring puckering to a small extent in most cases.
(13) Scalar couplings from correlated experiments and interproton distances from NOESY experiments at short mixing times have been used to determine glycosidic angles, sugar puckers, and other conformational features.
(14) There appeared to be a possibility that this muscular thickening might give rise to the rectosigmoidal mucosal puckering often seen through a sigmoidoscope.
(15) Intranucleotide NOEs from the sugar protons H1', H2', and H3' to the base protons were used to determine the conformation of each nucleotide (puckers and glycosidic torsion angles).
(16) The most flexible conformational angles in the structure are the glycosidic angle and the sugar pucker.
(17) Of these, 89% of the cis-proline residues exhibit the DOWN pucker, while the trans-proline residues, on average, are about evenly distributed between the two forms.
(18) The folding of the polynucleotide chain is accomplished either solely by rotations around the P-O bonds or in concert with rotations around the nucleotide C4'-C5' bond with or without changes in the sugar ring pucker.
(19) Postoperative proliferative vitreoretinopathy occurred in six eyes (10%) and macular pucker in two (3%).
(20) The glycosidic torsional angle, chiCN = -28.4 degrees, is in the anti region; the sugar pucker is C(2')exo-C(3')endo in a nearly pure 32H twist; and the conformation of C(4')-C(5') is gauche-gauche.