What's the difference between angle and octant?

Angle


Definition:

  • (n.) The inclosed space near the point where two lines meet; a corner; a nook.
  • (n.) The figure made by. two lines which meet.
  • (n.) The difference of direction of two lines. In the lines meet, the point of meeting is the vertex of the angle.
  • (n.) A projecting or sharp corner; an angular fragment.
  • (n.) A name given to four of the twelve astrological "houses."
  • (n.) A fishhook; tackle for catching fish, consisting of a line, hook, and bait, with or without a rod.
  • (v. i.) To fish with an angle (fishhook), or with hook and line.
  • (v. i.) To use some bait or artifice; to intrigue; to scheme; as, to angle for praise.
  • (v. t.) To try to gain by some insinuating artifice; to allure.

Example Sentences:

  • (1) A slight varus angle of 2.1 degrees became apparent.
  • (2) The optimal size for stimulation was between 5 degrees and 12 degrees (visual angle).
  • (3) The dependence of fluorescence polarization of stained nerve fibres on the angle between the fibre axis and electrical vector of exciting light (azimuth characteristics) has been considered.
  • (4) Contact angles of Silafocon A and PMMA were relatively uninfluenced by front surface radii between 7.7 and 8.85 and 7.3 to 8.8 mm, respectively.
  • (5) Angle closure glaucoma is a well-known complication of scleral buckling and it is of particular interest when it occurs in eyes with previously normal angles.
  • (6) Projection obliquity resulted in consistent underestimation of DPR angle.
  • (7) Instead of later renal failure and, of course, mental retardation, it was the histological features of the fetus eyes which permit to diagnose and exhibit both congenital cataract and irido-corneal angle dysgenesis.
  • (8) The superior mesenteric artery and the abdominal aorta made the mean angle of 35.5 degree in patients with normal left renal vein, the mean angle of 45.4 degrees in those with left renal vein compression without nutcracker phenomenon, and the mean angle of 11.9 degrees in those with nutcracker phenomenon.
  • (9) A neodymium YAG (Nd:YAG) laser was evaluated in a dog ulcer model used in the same manner as is recommended for bleeding patients (power 55 W, divergence angle 4 degrees, with CO2 gas-jet assistance).
  • (10) We set a new basic plane on an orthopantomogram in order to measure the gonial angle and obtained the following: 1) Usable error difference in ordinary clinical setting ranged from 0.5 degrees-1.0 degree.
  • (11) By measurement and analysis of the changes in carpal angles and joint spaces, carpal instability was discovered in 41 fractures, an incidence of 30.6%.
  • (12) The penetration coefficient, determined by the surface tension, contact angle and viscosity, is a measure of the ability of a liquid to penetrate into a capillary space, such as interproximal regions, gingival pockets and pores.
  • (13) Bohler's angle may be reconstituted with apparent reduction of the posterior facet when projected laterally; however, Broden's and axial views show persistent widening and split of the posterior facet.
  • (14) The advantages of the incision through the pars plana ciliaris are (1) easier approach to the vitreous cavity, (2) preservation of the crystalline lens and an intact iris, and (3) circumvention of the corneal and chamber angle complications sometimes associated with the transcorneal approach.
  • (15) These patients did not have narrow anterior chamber angles preoperatively, and several were aphakix with surgical iris colobomas.
  • (16) Seventy-eight patients presented optochiasmal arachnoiditis: 12 had trigeminal neuralgia; 1, arachnoiditis of the cerebellopontile angle; 6, arachnoiditis of the convex surface of the brain; and 3, the hypertensive hydrocephalic syndrome due to occlusion of the CSF routes.
  • (17) In this paper, we develop functions suggested by and regression fit to crystallographic data which allow three of these torsion angles, alpha (O3'-P-O5'-C5'), delta (C5'-C4'-C3'-O3') and epsilon (C4'-C3'-O3'-P), to be calculated as dependent variables of those remaining.
  • (18) An angle of 40 degrees or more was supposed to be a pathological kyphosis.
  • (19) The lower neck flexion is 35 degrees and extension of the plane of the face 15 degrees, each angle measured relative to horizontal.
  • (20) Two homosexual men, 35 and 42 years old, had bilateral acute angle-closure glaucoma in association with the acquired immune deficiency syndrome.

Octant


Definition:

  • (n.) The eighth part of a circle; an arc of 45 degrees.
  • (n.) The position or aspect of a heavenly body, as the moon or a planet, when half way between conjunction, or opposition, and quadrature, or distant from another body 45 degrees.
  • (n.) An instrument for measuring angles (generally called a quadrant), having an arc which measures up to 9O¡, but being itself the eighth part of a circle. Cf. Sextant.
  • (n.) One of the eight parts into which a space is divided by three coordinate planes.

Example Sentences:

  • (1) With stimulation of the octants next to the vertical meridian, this component was of large amplitude, while with stimulation of the octants next to the horizontal meridian, it was small and inconspicuous.4.
  • (2) The absolute configuration is proposed based on the octant rule and a biogenetic pathway for this type of homoisoflavan is briefly discussed.
  • (3) These criteria are: (1) the direction of the maximal spatial ST vector points either to the right-anterior-inferior or to the right-posterior-inferior octant, and (2) the magnitude of the projection of the maximal spatial ST vector is greater than or equal to 0.15 mV in the horizontal plane.
  • (4) The mid-temporal vectors were located in the left postero-superior octant, and the late portion of the loop was inscribed anteriorly to the right with conspicuous conduction delay.
  • (5) Their directions pointed either to: (1) the right-anterior-inferior, or (2) the right-posterior-inferior octant.
  • (6) The greatest steepening in the eyes treated with radial keratotomy compared with the untreated eyes occurred at 1.5 to 2.5 mm peripheral to the corneal apex in the inferonasal and nasal octants.
  • (7) Myocardial area and midwall perimeter were obtained for each octant, and wall thickness was calculated at end diastole (ED), isovolumetric systole (IS), and end systole (ES).
  • (8) The segmental area and its changes during the cardiac cycle were measured and calculated for each octant.
  • (9) Variability of sample size per octant was noted, but when averaged across entire muscles, it was in all instances greater than 33%.
  • (10) In this paper, circular dichroism (CD), sector projection and reverse octant rule projection of four diterpenoid dilactones and five tylophorines (two of them, 6, 8, are new compounds) are reported in which reverse octant rule projection is the first application to the configuration determination of diterpenoid dilactone.
  • (11) These cells were seen in the temporal half and dorsal-dorsonasal and ventral-ventronasal octants of the ipsilateral retina and accounted for 11.5% of all the labeled cells.
  • (12) The short-axis cross-sectional images were divided into octants and were analyzed.
  • (13) C18H22N4O2, Mr = 326.40, orthorhombic, Pbca, a = 19.475 (10), b = 10.435 (20), c = 8.762 (20) A, V = 1780.6 A3, Z = 4, Dx = 1.22 g cm-3, lambda(Mo K alpha) = 0.7107 A, mu = 0.76 cm-1, F(000) = 696, room temperature, 1564 reflections averaged from two octants, R = 0.044, wR = 0.050 for 669 observed reflections with I greater than sigma(I).
  • (14) Thirteen-channel visual evoked potentials (VEPs) to pattern-onset were recorded with stimuli restricted to individual octants of the peripheral field, to halves and to quadrants of the fovea.
  • (15) In patients with acute inferior-posterior and right ventricular infarction, the serial maximal spatial ST vector pointed to the right-posterior-inferior octant during the whole course of the acute stage.
  • (16) Stimuli consisting of checkerboard-filled octant or annular octant segments are presented as appearance-disappearance pulses at sixteen different positions in the visual field in randomized order.
  • (17) The locations of evoked cortical activity in the occipital, parietal and temporal lobes are represented on a Mercator projection map for each octant or octant segment stimulated.
  • (18) The delta vector is formed by the pre-excitation, it is oriented toward the right posterior superior, the right posterior inferior and the right anterior superior spatial octants.
  • (19) With upper field octants, the peak at 100 msec was surface-negative, while with lower field octants it was reversed in polarity.5.
  • (20) By using lactone sector rule, the olefin octant rule, allylic oxygen rule and Beecham rule with C = C-C-O and C = C-C = O chromophore, their absolute configurations were assigned.