What's the difference between dimple and pucker?

Dimple


Definition:

  • (n.) A slight natural depression or indentation on the surface of some part of the body, esp. on the cheek or chin.
  • (n.) A slight indentation on any surface.
  • (v. i.) To form dimples; to sink into depressions or little inequalities.
  • (v. t.) To mark with dimples or dimplelike depressions.

Example Sentences:

  • (1) He used the internal mammary artery pedicle (Kolesov's pedicle, Feb. 25, 1964) and described beadlike nodules and a dimpling of the epicardium over the atherosclerotic coronary artery (Kolesov's groove sign, Jan. 26, 1965).
  • (2) It was transplanted ventral to the puborectalis sling into the anal dimple if present.
  • (3) A boy with growth and mental retardation, flat occiput, high and broad forehead, blepharoptosis, narrow palpebral fissures, low set, malformed ears, short neck, anal atresia, deep sacral dimple is reported.
  • (4) The majority of the thalamic neurones discharged by Group I muscle afferents responded with a latency shorter than 1 msec to electrical stimulation of the cerebral cortex in the region of the post-cruciate dimple.
  • (5) Assessment of Holloway's chimpanzee data supports my claim that the dimple on the Taung endocast is within the chimpanzee range for the medial end of the lunate sulcus.
  • (6) The mass was associated with a "double dimple sign," heretofore reported only in malignant renal tumors.
  • (7) Ependymal cell rests of the sacrococcygeal area are relatively common; they may occur in association with postcoccygeal (pilonidal) dimples or in the absence of observable abnormalities.
  • (8) Axial and coronal CT of the skull base and nose demonstrated a midline bony canal extending from two dimples on the dorsum of the patient's nose to the base of the anterior cranial fossa.
  • (9) It is shown that by proper selection of the substrate length, width, and thickness, silicon substrates can be designed and used to penetrate a variety of biological tissues without breakage or excessive dimpling.
  • (10) Clinical manifestations included postnatal growth and psychomotor retardation, microcephaly, hirsute forehead, epicanthic folds, strabismus, depressed nasal bridge, long philtrum, small mouth, tetralogy of Fallot, and sacral dimple.
  • (11) At long-term follow-up, local capsular thickening related to a surface dimple was seen at the puncture site in 66%, and fine cortical scars were visible in 33%.
  • (12) Visual correction, as described by Rene Cailliet, uses three anatomical points of reference: a) iliac crest levelness, b) vertical appraisal of the spine from the sacral base (the spine should be perpendicular to the sacral base) and c) levelness of the posterosuperior iliac spine (PSIS) dimples.
  • (13) At these sites a dimpling occurs as the cornea is enlarging.
  • (14) Physical examination showed flattening of the buttocks, loss of the gluteal cleft, widely spaced buttock dimples, and a palpable sacral defect.
  • (15) We present a dysmorphic syndrome in eight males of the same family (four brothers, three cousins and one uncle) that is characterised by: mental retardation, facial dysmorphia, abnormal growth of teeth, skin dimple at the lower back, clinodactyly, patella luxation, malformation of lower limbs, abnormalities of the fundus of the eye and subcortical cerebral atrophy.
  • (16) In 82.3% of the cases, the projection of the dimple, the rest of the tricuspid orifice, was located either on the ventricular septum or over the left ventricle.
  • (17) These modifications involve the use of a radiused edge on the dimpling tool, a rubber O-ring on the polishing tool, and not rotating the sample platen during polishing.
  • (18) Using the muscle flaps for double-breasted sutures realigns the orbicularis oris muscle fibers to achieve an anatomical and functional repair that is characterized by a symmetrical lip length, nostrils, philtral column, and philtral dimple.
  • (19) A braze alloy is used to join the sections of the sample together and the resulting sample is stable during subsequent grinding, dimpling, and milling operations.
  • (20) The other Schwann cell membranes exhibit P-face dimples and E-face (extracellular membrane half-leaflet) protuberances which may reflect endo- or exocytotic activity; alternatively they may represent caveolae.

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.