What's the difference between motion and retrograde?

Motion


Definition:

  • (n.) The act, process, or state of changing place or position; movement; the passing of a body from one place or position to another, whether voluntary or involuntary; -- opposed to rest.
  • (n.) Power of, or capacity for, motion.
  • (n.) Direction of movement; course; tendency; as, the motion of the planets is from west to east.
  • (n.) Change in the relative position of the parts of anything; action of a machine with respect to the relative movement of its parts.
  • (n.) Movement of the mind, desires, or passions; mental act, or impulse to any action; internal activity.
  • (n.) A proposal or suggestion looking to action or progress; esp., a formal proposal made in a deliberative assembly; as, a motion to adjourn.
  • (n.) An application made to a court or judge orally in open court. Its object is to obtain an order or rule directing some act to be done in favor of the applicant.
  • (n.) Change of pitch in successive sounds, whether in the same part or in groups of parts.
  • (n.) A puppet show or puppet.
  • (v. i.) To make a significant movement or gesture, as with the hand; as, to motion to one to take a seat.
  • (v. i.) To make proposal; to offer plans.
  • (v. t.) To direct or invite by a motion, as of the hand or head; as, to motion one to a seat.
  • (v. t.) To propose; to move.

Example Sentences:

  • (1) In attacking the motion to freeze the licence fee during today's Parliamentary debate the culture secretary, Andy Burnham, criticised the Tory leader.
  • (2) A triphasic pattern was evident for the neck moments including a small phase which represented a seating of the headform on the nodding blocks of the uppermost ATD neck segment, and two larger phases of opposite polarity which represented the motion of the head relative to the trunk during the first 350 ms after impact.
  • (3) Based on our results, we propose the following hypotheses for the neurochemical mechanisms of motion sickness: (1) the histaminergic neuron system is involved in the signs and symptoms of motion sickness, including vomiting; (2) the acetylcholinergic neuron system is involved in the processes of habituation to motion sickness, including neural store mechanisms; and (3) the catecholaminergic neuron system in the brain stem is not related to the development of motion sickness.
  • (4) Full consideration should be given to the dynamics of motion when assessing risk factors in working tasks.
  • (5) It is proposed that microoscillations of the eye increase the threshold for detection of retinal target displacements, leading to less efficient lateral sway stabilization than expected, and that the threshold for detection of self motion in the A-P direction is lower than the threshold for object motion detection used in the calculations, leading to more efficient stabilization of A-P sway.
  • (6) Local minima of hand speed evident within segments of continuous motion were associated with turn toward the target.
  • (7) To evaluate the relationship between the motion pattern and degree of organic change of the anterior mitral leaflet (AML) and the features of the mitral component of the first heart sound (M1) or the opening snap (OS), 37 patients with mitral stenosis (MS) were studied by auscultation, phonocardiography and echocardiography.
  • (8) An unusually high degree of motional freedom is found for both these spin-labels, even in gel phase bilayers.
  • (9) A more accurate fit of T1 data using a modified Lipari and Szabo approach indicates that internal fast motions dominate the T1 relaxation in glycogen.
  • (10) However, the effect of prior jaw motion and the effect of the recording site on the EMG amplitudes and on the vertical dimension of minimum EMG activity have not been documented.
  • (11) Clinical evaluation of passive range of motion, antero-posterior laxity and the appearance of the joint space showed little or no difference between the reconstruction methods.
  • (12) We present a paradigm to estimate local affine motion parallax structure from a varying image irradiance pattern.
  • (13) Echocardiographic findings included an abrupt midsystolic, posterior motion (greater than 3 mm beyond the CD line) in five patients, multiple sequence echoes in six, and posterior coaptation of the mitral valve near the left atrial wall in six.
  • (14) Results show that responses to motion of cortical cells are particularly sensitive to these manipulations.
  • (15) Interexaminer reliability studies indicate that a standard method of motion palpation is quite feasible and accurate.
  • (16) Rapid right ventricular pacing increased the extent and degree of dyskinesia of the left ventricle, but premedication with nicorandil improved the wall motion.
  • (17) A method using selective saturation pulses and gated spin-echo MRI automatically corrects for this motion and thus eliminates misregistration artifact from regional function analysis.
  • (18) The relative importance of these properties depends critically on the presence and mode of motion of the tectorial plate.
  • (19) Left ventricular asynchrony was quantified by the phase difference of the first Fourier harmonic between postero-basal and antero-apical wall motion.
  • (20) The Weinstein Company, which Harvey owns with his brother Bob, lost rights to the title on Tuesday following a ruling by the Motion Picture Association of America's arbitration board.

Retrograde


Definition:

  • (a.) Apparently moving backward, and contrary to the succession of the signs, that is, from east to west, as a planet.
  • (a.) Tending or moving backward; having a backward course; contrary; as, a retrograde motion; -- opposed to progressive.
  • (a.) Declining from a better to a worse state; as, a retrograde people; retrograde ideas, morals, etc.
  • (v. i.) To go in a retrograde direction; to move, or appear to move, backward, as a planet.
  • (v. i.) Hence, to decline from a better to a worse condition, as in morals or intelligence.

Example Sentences:

  • (1) Endoscopic retrograde cholangiography failed to demonstrate any bile ducts in the right postero-lateral segments of the liver, the "naked segment sign".
  • (2) Nonetheless, anatomical continuity was restored at the site of injury, axons projected across this region, and rostral spinal and brainstem neurons could be retrogradely labelled following HRP injections administered caudal to the lesion.
  • (3) The recorded APs were further subdivided into those exhibiting consistent antegrade conduction during sinus rhythm (overt APs: 50 left APs, eight right APs), those exhibiting intermittent antegrade conduction (intermittent APs: six left APs, two right APs), and those exhibiting only retrograde conduction (concealed APs: 33 left APs, two right APs).
  • (4) The behavior of the retrograde H deflection in respect to the first extra beat following the premature QRS complex helped in excluding bundle branch reentry.
  • (5) Diagnostic endoscopic retrograde cholangiopancreatography in patients with complicated forms of the disease helps in identifying the cause of jaundice before the operation.
  • (6) Acute cholangitis complicating diagnostic endoscopic retrograde cholangiopancreatography (ERCP) is potentially fatal.
  • (7) This report describes a newly developed catheter system with the aid of which the cystic duct and gallbladder can be reliably catheterized, retrograde, via an endoscope.
  • (8) Previous studies are reviewed in the light of new information on retrograde axonal transport, circumventricular organs, the proper use of horseradish peroxidase, freeze-fracturing, immunocytochemistry and plasma protein gene expression in the developing human brain.
  • (9) Injection of horseradish peroxidase into the rostral ventrolateral medulla (RVLM) led to heavy retrograde and anterograde labeling in the region of the hypothalamus that yielded the CRDR when stimulated electrically.
  • (10) These characteristics are consistent with the proposal that cytoplasmic dynein plays a universal role in retrograde organelle motility.
  • (11) Retrograde extrapolation is applicable in the forensic setting with scientific reliability when reasonable and justifiable assumptions are utilized.
  • (12) After injection of HRP-WGA into the contralateral hippocampus 2% of hilar NPY-i neurons were retrogradely labeled and symmetric NPY-i synapses were found on the cell bodies and dendrites of unstained HRP-WGA labeled neurons.
  • (13) Retrograde transport of horseradish peroxidase and immunocytochemical visualization of glutamate (Glu) were combined to investigate the neurotransmitter used by cortico-cortical neurons in the first (SI) and second (SII) somatic sensory areas of macaque monkeys.
  • (14) In 40 subjects the propagation sequence of phasic contractions could be evaluated and were simultaneous in 53%, antegrade in 35%, and retrograde in 11% of the waves.
  • (15) 314 patients were managed conservatively and 524 required intervention therapy: 52 with blind endoscopic techniques, 93 with open surgery, 122 with retrograde ureteroscopy, 168 with percutaneous extraction and 92 with ESWL.
  • (16) None of the cases was diagnosed by retrograde pyelography for fractionally visualized excretory urography and 3 were within 9 months of a previously normal excretory urogram alone or with retrograde pyelography.
  • (17) We examined in rats the effectiveness of administering verapamil into ischemic tissue by retrograde perfusion through the cerebral vein, starting 3 hours after occlusion of the middle cerebral artery.
  • (18) Fluorescent labels, injected into either the hindlimb muscles or the cerebellum, are retrogradely transported to motoneurones or dorsal spinocerebellar tract neurones respectively.
  • (19) Glutamate-immunoreactive neurons were present throughout the acoustic thalamus, including the regions containing the retrogradely labeled neurons.
  • (20) Injections of horseradish peroxidase into the telencephalon retrogradely labeled neurons ipsilaterally in various thalamic, preglomerular, and tuberal nuclei, the nucleus of the locus coeruleus (also contralaterally), the superior raphe, and portions of the nucleus lateralis valvulae.