What's the difference between oblong and ovoid?

Oblong


Definition:

  • (a.) Having greater length than breadth, esp. when rectangular.
  • (n.) A rectangular figure longer than it is broad; hence, any figure longer than it is broad.

Example Sentences:

  • (1) These neurons were generally oblong and measured 60-80 microns.
  • (2) The combination of 150 mcg clonidine and 2.5 mg cyclothiazide (Dimapres) in the form of a scored oblong sugar-coated tablet seems to satisfy these demands best and to be an optimal combination of clonidine and cyclothiazide.
  • (3) Four types of trophoblast cells are seen in mouse ectoplacental cone on day 8 of the pregnancy: (1) trophoblast-1 at the base of the cone are polyhedral, compactly arranged and contain large nucleoli, (2) trophoblast-2 in the middle of the cone enclose several heterolysosomes, erythro-and leucophagosomes, (3) trophoblast-3, also in the middle, have several membrane-bound osmiophilic granules, (4) trophoblast-4 at the periphery of the cone are oblong and enclose many pleomorphic bodies.
  • (4) Morphologic analysis of thalamically projecting LCN cells showed that they were smaller in size, and more oblong in shape in caudal regions of the nucleus.
  • (5) The presynaptic active zones at the SVB C synapse are discrete, and macular or oblong.
  • (6) Some morphological characteristics could apparently be related to specific modes of locomotion, namely the shape, more or less oblong, pear-like or round, according to genera or digits, and the possible fusion of the 2 sesamoid bones of the same digit to form a unique ossified structure.
  • (7) The mouth, an oblong slit like a tiny letterbox, conveys alarm.
  • (8) Eight healthy male volunteers took part in this study to determine the relative bioavailability of Treuphadol oblong tablets (500 mg paracetamol), Treuphadol Plus oblong tablets (500 mg paracetamol, 30 mg codeine phosphate) and Treuphadol suppositories (750 mg paracetamol) against commercial tablets (500 mg paracetamol).
  • (9) We show that the cytoplasmic surface of outer nuclear membrane is covered by numerous large, oblong "kernel-like" globular particles (30-35 nm length, 25-30 nm width), often aligned into curved chains or grouped into clusters.
  • (10) The mitochondria, small and round on days 12, 13 and 14, become oblong from day 18 of gestation.
  • (11) One protomer has an oblong shape, whereas the other with higher density has a head and a hook region.
  • (12) A description is given of the rare occurrence of peculiar oblong structures having a maximal length of about 4.5 micron and a width of 0.5 micron, in the visceral epithelial cells of human glomeruli.
  • (13) Treatment with Al led to the development, in the cytoplasm of certain root tip cells, of two oblong hyaline structures formed by material extruded from the nucleus.
  • (14) Gametocytes are round to oblong, measuring 6 by 5 mu, and the pigment in microgametocytes occurs in a single peripheral vacuole.
  • (15) The fields are rounded, oblong, or elongated, but gradations between categories are common.
  • (16) Necropsy of both groups of calves revealed a circular to oblong lesion that was congested, edematous, and firm, and which occupied 20% to 100% of the right caudal lung lobe and involved the remaining lung lobes to a more minor degree.
  • (17) Following intravitreal injections, retrograde transport of the enzyme was observed bilaterally, but predominantly contralaterally, in a large oblong field of cells at the isthmic level of the midbrain, bounded medially by the trochlear nucleus and laterally by the nucleus isthmi.
  • (18) In profile these granules appear oblong or circular with average dimensions of 170 x 50 nm.
  • (19) Of 57 aspergillomas 47 were round or oval, 7 oblong, 2 polypoidal and 1 lobulated.
  • (20) Sporozoites each possess an oblong refractile body at 1 end and appear packed together randomly and enclosed in a membrane along with a spheroid residuum composed of fine, uniform granules.

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.