What's the difference between convex and sphere?

Convex


Definition:

  • (a.) Rising or swelling into a spherical or rounded form; regularly protuberant or bulging; -- said of a spherical surface or curved line when viewed from without, in opposition to concave.
  • (n.) A convex body or surface.

Example Sentences:

  • (1) 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.
  • (2) The intervertebral discs expand centrally and become increasingly convex.
  • (3) Rocking the hepatocyte-splenocyte cultures changed the elution profile from linear to convex.
  • (4) Lower density foams can be used only if the impact test standards are rewritten with less emphasis on impacts with convex and pointed objects.
  • (5) A solution of a specific ligand molecule of constant concentration is introduced into the cell so that its concentration in the cell increases continuously (as in a mixing chamber for forming a convex gradient).
  • (6) Rotations toward the convexity occur in rotational kyphosis.
  • (7) The patient's soft-tissue profile was normally convex.
  • (8) The case of a 49-year-old female with a left parietal convexity meningioma associated with an acute subdural hematoma is described.
  • (9) This change in shape varied from a slight flattening of the LV and IVS during diastole to total reversal of the normal direction of septal curvature such that the IVS became concave toward the RV and convex toward the LV.
  • (10) The technique combines the conventional plotting the contour lines and the highlighting, by means of hatching, of the concavities (or convexities) of the 'surface' representative of radioactive distribution.
  • (11) 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.
  • (12) The method uses overlapping of Pi1, 3 and 4 in perfect centering of the lens in the axis of the eye (it is assessed by drawing a perpendicular line on the centre of the cornea) and marked dislocation of Pi3 in the direction of decentration of the planoconvex lens with the convexity facing the cornea.
  • (13) In the trunk, e.g., in the buttock and the breast, it is useful to reconstruct the natural convexity.
  • (14) Rats with spinal deformity showed an imbalance of the paraspinal muscles when assessed by EMG; this was expressed by an increase of muscular activity on the convex side.
  • (15) The diagnostic criteria of median nerve compression (carpal tunnel syndrome) include morphological and signal changes in the nerve, abnormal palmar convexity of the flexor retinaculum and signs of tenosynovitis of the intracarpal flexor tendons.
  • (16) Microvillus formation was not observed when cell volume was increased by incubation of tissue in half-normal amphibian Ringer's solution for 30 min, or with exposure to acetylcholine, which caused accentuation of the convexity of the apical surface of the granular cell similar to that observed with VP-induced osmotic water flow.
  • (17) Meningiomas of the convexities (six patients) turned out to be particularly susceptible to complete embolizations.
  • (18) The granulomatous lesions were classified by location into basilar, convexity, intrahemispheric, and periventricular white-matter involvement.
  • (19) One exception to this is observed in the brain, where arteries come in from the base and veins collect over the convexity.
  • (20) The shapes of false lumina assessed by enhanced CT scans at the time of discharge were categorized in three types; 21 patients (group A) without false lumina of the aorta, or with a small crescentic false lumen in the thoracic aorta (type a), six patients (group B) with intimal flaps and two contrast-material-filled lumina in the thoracic aorta (type b), and nine patients (group C) with expanded false lumina or a false lumen whose margin was convex towards a true lumen in the thoracic aorta (type c).

Sphere


Definition:

  • (n.) Rank; order of society; social positions.
  • (n.) A body or space contained under a single surface, which in every part is equally distant from a point within called its center.
  • (n.) Hence, any globe or globular body, especially a celestial one, as the sun, a planet, or the earth.
  • (n.) The apparent surface of the heavens, which is assumed to be spherical and everywhere equally distant, in which the heavenly bodies appear to have their places, and on which the various astronomical circles, as of right ascension and declination, the equator, ecliptic, etc., are conceived to be drawn; an ideal geometrical sphere, with the astronomical and geographical circles in their proper positions on it.
  • (n.) In ancient astronomy, one of the concentric and eccentric revolving spherical transparent shells in which the stars, sun, planets, and moon were supposed to be set, and by which they were carried, in such a manner as to produce their apparent motions.
  • (n.) The extension of a general conception, or the totality of the individuals or species to which it may be applied.
  • (n.) Circuit or range of action, knowledge, or influence; compass; province; employment; place of existence.
  • (n.) An orbit, as of a star; a socket.
  • (v. t.) To place in a sphere, or among the spheres; to insphere.
  • (v. t.) To form into roundness; to make spherical, or spheral; to perfect.

Example Sentences:

  • (1) Mike Ashley told Lee Charnley that maybe he could talk with me last week but I said: ‘Listen, we cannot say too much so I think it’s better if we wait.’ The message Mike Ashley is sending is quite positive, but it was better to talk after we play Tottenham.” Benítez will ask Ashley for written assurances over his transfer budget, control of transfers and other spheres of club autonomy, but can also reassure the owner that the prospect of managing in the second tier holds few fears for him.
  • (2) Quantitative measurements of image contrast were carried out for B-mode images of anechoic spheres (cysts) embedded in a random scattering medium.
  • (3) The relation between genetic counseling and the procreation sphere among the studied families is presented.
  • (4) Despite Facebook's size and reach, and its much-vaunted role in the short-lived Arab spring , there are reasons for thinking that Twitter may be the more important service for the future of the public sphere – that is, the space in which democracies conduct public discussion.
  • (5) I care far more that women are absolutely essential to political life, influential at every level, and are leading dynamic conversations in the public sphere around social and cultural change.
  • (6) The algorithm is an improvement over the sphere model in that it considers two distinct surfaces: an ellipsoid, to model the region of the skull on which the sensors are placed, and a sphere as the medium in which the current dipole model is considered.
  • (7) The yolk spheres, which were free of precipitates, gave the characteristic signal of the nitrogen K-edge.
  • (8) In family therapy, the analysis of secret implies not only to define the network of the concerned persons, but also the definition of the bonds between the secret and loyalties, the distribution of power, the alliances and the definitions of the private sphere (proper to each family) and of the protective function of the secret.
  • (9) The sphering agent lysolecithin is less effective in reducing red cell deformability, when the external calcium-concentration is kept low.
  • (10) The magnitude of changes in both energy interaction and intensity were used to explore the degree of outer and inner sphere coordination, incidence of covalency and the extent of metal 4f-orbital involvement in chemical bonding.
  • (11) Ultrastructurally, hemolytic concentrations of tributyltin can be visualized in the electron microscope by osmium staining during fixation as electron-dense spheres penetrating the lipid bilayer of the erythrocyte plasma membrane.
  • (12) In the present paper the images produced by spheres of varying diameter (d = 4,6,8,10 mm) embedded in a homogeneous substance of varying densities (H' = 3,48,93,137 Hounsfield units) as produced by computer tomography were studied.
  • (13) The typical elements of risk (tobacco, age, socio-professional sphere) reappear in this study.
  • (14) Our results showed that a lower percentage of normal subjects and a lower percentage of constipated patients were able to pass a 1.8 cm incompressible sphere compared with a 50 ml deformable balloon, although constipated patients found it more difficult than normal subjects to expel both types of simulated stool.
  • (15) A transient 5-coordinate intermediate might play a role in the mechanism of action of carbonic anhydrase by facilitating ligand exchange reactions within the inner coordination sphere of the Zn(II) ion at the active center.
  • (16) The expression of WAP appears to be dependent upon the formation of the alveoli-like spheres: prevention of sphere formation by fixation or drying of the matrix abolishes the expression of WAP.
  • (17) The SAR patterns in birds, however, varied markedly from those obtained from spheres of comparable mass.
  • (18) The depth of FAD incorporation into the enzyme molecule as calculated according to the outer sphere electron transfer theory is 6.1 A.
  • (19) For the hard-sphere model used in these calculations, it was found that current helix-coil transition theory does not predict the correct perturbed dimensions.
  • (20) These questions are the points of collision of two immensely important spheres of interest in our everyday life.