What's the difference between ovoid and sphere?

Ovoid


Definition:

  • (a.) Alt. of Ovoidal
  • (n.) A solid resembling an egg in shape.

Example Sentences:

  • (1) The shape of the nucleus changes from ovoid to a distinctive, radially splayed lobulated structure.
  • (2) GABA-immunogold reaction has revealed the presence of this inhibitory transmitter in most axon terminals containing ovoid-pleomorphic vesicles within the molecular layer, including those resembling climbing fiber-terminals.
  • (3) Bouton-like terminals were found to be of two types according to their vesicle content, namely, boutons with ovoid, clear synaptic vesicles forming Gray type-1 synapses and boutons with pleomorphic clear synaptic vesicles forming Gray type-2 synapses.
  • (4) The vaginal ovoid irradiation alone should be limited to very selected cases.
  • (5) These receptors were subdivided by their morphology in the next groups: pear-shaped receptors with capsule; capsuled spherical receptors located near vascular walls; ovoidal receptors with capsule and glomerular structure; simple or complex mace-shaped receptors without capsule.
  • (6) Varying widely in size and configuration, these structures are usually somewhat ovoid but can be elongated, gently squared, or asymmetric.
  • (7) By contrast, the principal sensory nucleus is distinguished by its high density of small to medium-sized (8-20 micron) round or ovoid neurons.
  • (8) The following species features of this animals are associated with their adaptation to high-altitude hypoxia: organization of alpha-granules, mitochondria, the contractile system (microtubes, F-actin), ovoid form of platelets.
  • (9) Rat TSH cells were ovoid or angular to stellate, and contained granules ranging in size from 60-175 nm.
  • (10) In some myelinated fibres there were pseudomyelinic ovoids.
  • (11) The isolated cells have an ovoid soma, a dendrite of variable length which terminates in a cilia-bearing knob and an axon, also of variable length.
  • (12) The notable absence of this complication in our patients at a mean follow-up of 41 months (range 3-71) documents that this ovoidal composite graft is a reliable tool in the treatment of aortic root pathology.
  • (13) The earliest lesions of the patch stage of Kaposi's sarcoma show a slightly increased number of cells with small ovoid nuclei around preexistent structures, accompanied, in some cases, by sparse infiltrates of lymphocytes and plasma cells.
  • (14) Except for its conidia, which are mostly reniform to allantoid rather than ovoid as is characteristic for W. dermatitidis, and the undecided mode of conidiogenesis, the isolate closely resembles W. dermatitidis in gross and microscopic morphology, thermotolerance, and general and neurotrophic infectivity patterns in mice injected intraperitoneally.
  • (15) An ovoid cell was similar to a gemistocytic astrocyte.
  • (16) 4) Islet cells in the pancreatic tissue of the minor duodenal papilla were rich in B-cells which were round to ovoid in shape and sharply outlined.
  • (17) A second type was smaller, fusiform or ovoid and generally bipolar; a significant number of these were immunoreactive for the releasing hormone LHRH.
  • (18) Giant (greater than 40 mu) and large (26-40 mu) neurons are distinguished primarily by size and possess similar ultrastructural features: extensive areas of rough endoplasmic reticulum (RER), a prominent perinuclear Golgi complex, numerous mitochondria and pigment granules and a large, ovoid nucleus which occasionally contains intranuclear rodlets.
  • (19) 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.
  • (20) Our findings show that round or ovoid GABA-immunoreactive neurons were abundant in both subdivisions.

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.