What's the difference between lateral and mesial?

Lateral


Definition:

  • (a.) Of or pertaining to the sides; as, the lateral walls of a house; the lateral branches of a tree.
  • (a.) Lying at, or extending toward, the side; away from the mesial plane; external; -- opposed to mesial.
  • (a.) Directed to the side; as, a lateral view of a thing.

Example Sentences:

  • (1) On both days, blood was collected by jugular venepuncture at 10.30 h, and then again 2, 4, 6 and 24 h later.
  • (2) The influence of the various concepts for the induction of lateral structure formation in lipid membranes on integral functional units like ionophores is demonstrated by analysing the single channel current fluctuations of gramicidin in bimolecular lipid membranes.
  • (3) In Patient 2 they were at first paroxysmal and unformed, with more prolonged metamorphopsia; later there appeared to be palinoptic formed images, possibly postictal in nature.
  • (4) National policy on the longer-term future of the services will not be known until the government publishes a national music plan later this term.
  • (5) Six hours later, bronchoalveolar lavage was performed.
  • (6) The present findings indicate that the deafferented [or isolated] hypothalamus remains neuronally isolated from the environment if the operation is carried out later than the end of the first week of life.
  • (7) Nine months later, the animals were sacrificed, the esophagus and the gastric stump were removed for histologic examination.
  • (8) In addition to the aqueduct other associated inner ear anomalies have been identified in 60% of this population including: enlarged vestibule (14); enlarged vestibule and lateral semicircular canal (7); enlarged vestibule and hypoplastic cochlea (4); and hypoplastic cochlea (4).
  • (9) Developing seminiferous tubules and interstitial cells were first seen on day 26, and were well established one day later.
  • (10) In this phase the educational practices are vastly determined by individual activities which form the basis for later regulations by the state.
  • (11) The adaptive filter processor was tested for retrospective identification of artifacts in 20 male volunteers who performed the following specific movements between epochs of quiet, supine breathing: raising arms and legs (slowly, quickly, once, and several times), sitting up, breathing deeply and rapidly, and rolling from a supine to a lateral decubitus position.
  • (12) Endoscopic retrograde cholangiography failed to demonstrate any bile ducts in the right postero-lateral segments of the liver, the "naked segment sign".
  • (13) On the way back to Pristina later, the lawyer told me everything was fine.
  • (14) Our experience indicates that lateral rhinotomy is a safe, repeatable and cosmetically sound procedure that provides and excellent surgical approach to the nasal cavity and sinuses.
  • (15) Intraepidermal clefting starts at the junction between the basal and epidermal layers, and later involves all of the levels of the stratum spinosum.
  • (16) In later phases, mast cells appeared in the newly formed marrow in the external callus.
  • (17) Five days later, the animals were randomly assigned to one of four treatment groups: Group 1 received intracranial implantation of controlled-release polymers containing dexamethasone; Group 2 received intraperitoneal implantation of controlled-release polymers containing dexamethasone; Group 3 received serial intraperitoneal injections of dexamethasone; and Group 4 received sham treatment.
  • (18) We conclude that the rat somatosympathetic reflex consists of an early excitatory component due to the early activation of RVL-spinal sympathoexcitatory neurons with rapidly conducting axons and a later peak that may arise from the late activation of these same neurons as well as the early activation of RVL vasomotor neurons with more slowly conducting spinal axons.
  • (19) Moments later, Strauss introduces the bold human character with an energetic, upwards melody which he titles "the climb" in the score.
  • (20) This was followed by loud applause for Gündogan and De Bruyne, when each was later taken off.

Mesial


Definition:

  • (a.) Middle; median; in, or in the region of, the mesial plane; internal; -- opposed to lateral.

Example Sentences:

  • (1) Thus, in approximately 80% of seizures, the onset of ictal EEG changes resided in the mesial temporal structures.
  • (2) Possible mesial root extrusion was found in 60.0% of the uprighted molars.
  • (3) The vertical distances were compared with measurements taken from periapical radiographs between the apex of each mesial root and the superior border of the mandibular canal prior to sectioning.
  • (4) Ablations of the entire dorsal convexity, and of the mesial and cingulate regions of the cortex, failed to interfere with the spindle bursts and recruiting responses, whereas ablations confined to the orbital cortex alone abolished completely these potentials in the cortex and thalamus.
  • (5) In both experimental systems the movement was derived largely from a mesial drift of the third molar, and its rate decreased with time.
  • (6) The mesial movement was achieved with rubber band pull.
  • (7) However, among 27 patients examined by means of intracranial EEG recordings, it was evident that a disgust expression occurred with oro-alimentary automatisms at the beginning of mesial temporal lobe seizures, whereas a happy one occurred without oro-alimentary automatisms at the beginning of lateral temporal lobe seizures.
  • (8) Alveolar bone resorption was measured on enlarged cephalographs (5.7 X) at a point mesial to the mandibular first molar.
  • (9) The "C" was open anteriorly and the lateral arm extended almost twice as far incisally as the mesial arm.
  • (10) Intra- and inter-hemispheric propagation of ictal discharges was analyzed with computer techniques in 10 patients with complex partial seizures of mesial temporal lobe origin in whom depth electrodes had been stereotaxically implanted.
  • (11) We measured local cerebral metabolic rates for glucose in mesial and lateral temporal structures and compared them with metabolic rates for analogous regions in 16 healthy normal volunteers and the contralateral hemisphere of the epileptic patients.
  • (12) The risk of resorption also will increase with a more mesial horizontal path of eruption.
  • (13) They can be summarized as: mesial shifting of the maxilla, dimensional increase of the mandibular body, ovoidal upper arch with a deeper palatal vault, tapering or trapezoidal lower arch.
  • (14) N140 and P190 (the "vertex potentials") are probably generated bilaterally in the frontal lobes, including orbito-frontal, lateral and mesial (supplementary motor area) cortex.
  • (15) Propagation of paroxysmal activity through the anterior ventral thalamic nuclei and cingulate gyri was observed in all cases with temporal or frontal mesial focus.
  • (16) These included torn or frayed menisci and those which were displaced, usually in a mesial direction.
  • (17) Future studies in non-human primates may reveal that ictal discharges which originate in the mesial temporal region propagate preferentially via brain-stem pathways to contralateral homologous regions.
  • (18) Electrode tips recording beta rhythms were found: (i) in motor areas 4 gamma and 6a beta, in a band extending from the postcruciate cortex to the walls of the presylvian sulcus, crossing the frontal pole (anterior beta focus); (ii) in the posterior parietal associative area 5a, along the divisions of the ansate sulcus, extending to the mesial aspect of the hemispheres (posterior beta focus).
  • (19) Finally polynomes of 4th degree were chosen to describe the anterior dental arch from 6 mesial to mesial 6 of the arcogram.
  • (20) The results suggested that effective distal and intrusive movements would be expected by bending the outer-bow downward, since this procedure would prevent the tooth from tipping mesially.