What's the difference between ellipsoid and oval?

Ellipsoid


Definition:

  • (n.) A solid, all plane sections of which are ellipses or circles. See Conoid, n., 2 (a).
  • (a.) Alt. of Ellipsoidal

Example Sentences:

  • (1) The lesion (10.6 X 9.8 mm) was a well-defined ellipsoid granuloma due to a foreign body with a central zone of necrosis surrounded entirely by a fibrous wall.
  • (2) 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.
  • (3) Oocysts appeared under bright field microscopy as 3x4 mcm ellipsoidal bodies with a central large round granule, known as the residuum, and 1-4 granules.
  • (4) 1965.-Thin sections of filterable hemolytic anemia agent of rat, now identified as Haemobartonella muris, revealed (i) that the agent is spherical or ellipsoidal and 350 to 700 mmu in size, (ii) that it has a single limiting membrane enclosing granules and some filaments (neither cell wall nor nucleoid was found), and (iii) that it is found preferentially at the surface and sometimes within the cytoplasmic vacuoles of erythrocytes in the circulating blood and bone marrow, and multiplies there through binary fission.
  • (5) The ReLPS suspension showed large ellipsoidal particles 12-38 nm wide and 40-100 nm long.
  • (6) Light microscopic studies indicate it has an ellipsoidal centre from which catalase-positive filamentous or rod-like processes protrude along its major axis; hence, it is called a phi body.
  • (7) E2 was obtained as follows: The stress-time integral was analyzed from pressure-volume data and wall thickness using an ellipsoidal calculation model.
  • (8) The thermographs showed a pattern of ellipsoidal isotherms (major axis horizontal) approximately concentric about a temperature apex (coldest point) which was slightly inferior to the geometric center of the cornea (GCC).
  • (9) These data are consistent with an ellipsoidal rather than a spherical shape.
  • (10) There is saturation of the interaction sites by the aggregation of a few protein monomer units possibly to form a tetramer which is moderately asymmetric (1:4 axial ratio, assuming an ellipsoid of revolution) and relatively rigid.
  • (11) The uterine volume was measured in 30 patients 24 hours before hysterectomy by ultrasonography using the prolate ellipsoid formula.
  • (12) The lunar particles found in the sample include: (i) spherules, rotational ellipsoids, dumbbells, tear-drops, rings, and crescents which have (ii) diameters of 0.1 to 500 microns; (iii) budlike features on the particles; and (iv) chemical inhomogeneity (electron probe).
  • (13) Oocytes of I. serini are spheroid and average 19.2 times 20.1 mum, while those of I. canaria are larger, more ellipsoid, and average 21.8 times 24.6 mum.
  • (14) Also, in bursectomized birds, the ellipsoid could not be identified, although a small number of abnormal ellipsoid-associated cells (EAC) were observed in the periellipsoid region.
  • (15) Native human Glu-plasminogen (Glu1-Asn791) was previously shown to have a radius of gyration of 39 A and a shape best described by a prolate ellipsoid [Mangel, W. F., Lin, B., & Ramakrishnan, V. (1990) Science 248, 69-73].
  • (16) From the relaxation times and the orientation mechanisms, the nucleosome may be assimilated to an oblate ellipsoid of dimensions about 140 x 140 x 70 A, and the DNA superhelical axis is parallel to its shorter axis.
  • (17) Uterine volume, based on the ultrasound data, was calculated, utilizing the formula for a prolate ellipsoid, before and after treatment.
  • (18) The chamber, an ellipsoid of revolution, is gold-plated for increased reflectivity.
  • (19) The protective aspect of melanin in dark skin is seen as resulting from its high concentration and its confinement to ellipsoidal and densely packed organelles that can effectively shield the nucleus.
  • (20) Second, although the parallelogram model provides a slightly better fit of our data than the other two shapes, it does not serve as a better guide than the ellipsoidal model for interpolating from the measurements to thresholds in novel color directions.

Oval


Definition:

  • (a.) Of or pertaining to eggs; done in the egg, or inception; as, oval conceptions.
  • (a.) Having the figure of an egg; oblong and curvilinear, with one end broader than the other, or with both ends of about the same breadth; in popular usage, elliptical.
  • (a.) Broadly elliptical.
  • (n.) A body or figure in the shape of an egg, or popularly, of an ellipse.

Example Sentences:

  • (1) It happens to anyone and everyone and this has been an 11-year battle.” Emergency services were called to the oval about 6.30pm to treat Luke for head injuries, but were unable to revive him.
  • (2) At autopsy, this DOCA-hypertensive rat was found to have a form of hepatitis associated with proliferative activity, i.e., cellular unrest, mitotic figures and oval cell hyperplasia.
  • (3) Facebook Twitter Pinterest Ronald Reagan meeting with Rupert Murdoch in the Oval Office on 18 January 1983.
  • (4) A radical rearrangement of the organism occurred gradually: initially oval in shape, the parasite became round, then elongated, flattened, and underwent cytokinesis.
  • (5) Numerous slender sarcotubules, originating from the A-band side terminal cisternae, extend obliquely or longitudinally and form oval or irregular shaped networks of various sizes in front of the A-band, then become continuous with the tiny mesh (fenestrated collar) in front of the H-band.
  • (6) The nuclei in these typical onocytes appeared oval or spheroid.
  • (7) Afghanistan will be the main item on the agenda at a meeting on Wednesdaybetween Cameron and Barack Obama in the Oval Office on the main day of the visit.
  • (8) They are rounded or oval bodies visible to the naked eye, and situated ventrolaterally in the posterior mesonephros.
  • (9) Small oval cysts (less than or equal to 1 cm) with strong echo were all diagnosed colloid goiter.
  • (10) This model opened possibilities to study the filamentous form of P. ovale in vitro.
  • (11) Electron microscopically, the tumor cell nuclei were oval or polygonal and sometimes slightly invaginated, with a few prominent nucleoli.
  • (12) The proliferation zone is only a few cell rows thick and contains single cells with an oval shape and longitudinal fibrocyte-like nucleus.
  • (13) Furthermore, the long axis of the right and left atria was measured from the center of the apposed atrioventricular valve leaflets to the posterior atrial wall, and the sizes of the atrial chambers were defined using their widths at the prospective broadest points through the area of foramen ovale.
  • (14) The septum primum, as the valve of the foramen ovale, has been previously described as a mobile, echogenic line or dot in the left atrium.
  • (15) The authors described a fluoroscopic method of guiding percutaneous needle penetration of the foramen ovale.
  • (16) "I'm led to believe that Notts County used to play their home games at Trent Bridge, The Oval hosted an FA Cup final and Bramall Lane used to be a cricket ground, but are there any other cricket grounds that have hosted either league or international football matches?"
  • (17) The earliest perfect ring-shaped formation of the foramen ovale is observed in the 7th fetal month and the latest in 3 years after birth.
  • (18) Magnetic resonance revealed oval corresponding hypointense foci both on T1-and T2-weighted images.
  • (19) Arterial oxygen tension was lower in patients with a patent foramen ovale (mean 55 [SD 14] vs 62 [16] mm Hg, p = 0.038).
  • (20) Peripheral blood specimen showed abnormal lymphoid cells with an oval to cleaved nucleus, rather condensed chromatin, occasional prominent nucleolus, and basophilic cytoplasms with vacuoles which seems to be a T-cell counterpart of B-cell chronic lymphocytic leukemia with mixed cell types.