(n.) A solid of the form described by the revolution of a right-angled triangle about one of the sides adjacent to the right angle; -- called also a right cone. More generally, any solid having a vertical point and bounded by a surface which is described by a straight line always passing through that vertical point; a solid having a circle for its base and tapering to a point or vertex.
(n.) Anything shaped more or less like a mathematical cone; as, a volcanic cone, a collection of scoriae around the crater of a volcano, usually heaped up in a conical form.
(n.) The fruit or strobile of the Coniferae, as of the pine, fir, cedar, and cypress. It is composed of woody scales, each one of which has one or two seeds at its base.
(n.) A shell of the genus Conus, having a conical form.
(v. t.) To render cone-shaped; to bevel like the circular segment of a cone; as, to cone the tires of car wheels.
Example Sentences:
(1) Implantation of the mouse embryo involves the invasion of the secondary trophoblast giant cells of the ectoplacental cone (EPC) into the uterine decidua.
(2) It is commonly assumed that the visual resolution limit must be equal to or less than the Nyquist frequency of the cone mosaic.
(3) In scanning of more than 20 Hz frequency, the spectral pattern also reflected the characteristics of the cone system.
(4) The function of these triple cones can not be deduced from the behavior patterns of these fishes.
(5) Light-induced cone shortening provides a useful model for stuying nonmuscle contraction because it is linear, slow, and repetitive.
(6) As early as E-28 many growth cones have lamellipodia that extend outward from the core region as far as 10 microns.
(7) RCA-1, which is specific for D-galactose, showed patchy fluorescence on the basal and distal portions of the outer segments of the cones and rods, whereas neuraminidase-treated sections had uniform fluorescence throughout the tissues.
(8) Rats permitted to recover for 13 weeks and then sacrificed had lost almost all their rods (p less than 0.001) while the cones were reduced by about 50% (p less than 0.01).
(9) Rod adaptation had no reliable influence on response to rapid onset in cones or bipolar cells.
(10) Unique domains of the retinal interphotoreceptor matrix (IPM), termed cone matrix sheaths, are composed largely of chondroitin 6-sulfate proteoglycan in most higher mammalian species.
(11) Psychophysical results on human colour matching (Stiles & Burch, 1955; Stiles & Burch, 1959) were well predicted from the spectral sensitivities of the monkey cones.
(12) Our model of voltage dependence of GABA uptake predicts that all colors of light should hyperpolarize H1 cone horizontal cells and other investigators have shown by intracellular recording and dye-marking that type H1 cone horizontal cells hyperpolarize to all wavelengths of light.
(13) During the third stage, the dendritic trees of ganglion cells no longer branch or extend by means of active growth cones.
(14) Growth cones from the neurons contacted the muscle fibers within 6-12 h after isolation.
(15) The results indicate that contact Nd.YAG laser conization for CIN is an excellent conservative therapy from the point of cure rate, safety, indication, operation time and cone specimen, even compared with CO2 laser conization.
(16) In the human retina, which has both cones and rods in abundance, cones, cone bipolars, ganglion cells, horizontal cells, and small and large amacrine cells were labeled.
(17) Neither pH nor composition of liner collection cone had an effect on postthaw acrosomal scores, but the time required for a 50% increase in severely damaged acrosomes was greater for spermatozoa collected in polyethylene than in rubber liner collection cones.
(18) These regenerating nerve fibres together with growth cones make terminals in the form of buttons, rings and loops.
(19) Underneath the envelope, p17 forms the matrix protein layer, while the capsid of the double cone shaped core is built up of p24.
(20) On the model of electrical coupling proposed by Lamb & Simon (1976), this suggests that to the extent that the voltage-dependent desensitization results from an increased conductance and hence an increased shunt of the signals at the plasma membrane, there must be a concomitant increase in the conductance of the electrical pathways linking cones to one another.
Strobile
Definition:
(n.) A scaly multiple fruit resulting from the ripening of an ament in certain plants, as the hop or pine; a cone. See Cone, n., 3.
(n.) An individual asexually producing sexual individuals differing from itself also in other respects, as the tapeworm, -- one of the forms that occur in metagenesis.
(n.) Same as Strobila.
Example Sentences:
(1) The cestode either failed to establish or to grow; if the worms were already strobilate when inflammation developed then destrobilation occurred.
(2) Gene expression and its regulation was studied in the rat tapeworm, Hymenolepis diminuta, during strobilization.
(3) In juvenile worms from rats, the extension of the WGA- and SBA-positive region of the strobilation zone increased in length with the development of the worms.
(4) Mongolian gerbils, Meriones unguiculatus, when treated at intervals of 2-6 days with prednisolone tertiary butyl acetate, sustained infection with adult Echinococcus multilocularis in the small intestine, with the tapeworm exhibiting normal strobilation and egg production as in the natural canid host.
(5) Echinococcus multilocularis survived, strobilated and matured sexually in the small intestine of 6-week-old male golden hamsters that were either non-treated or treated with prednisolone tertiary-butylacetate (PTBA), following oral administration of 20 000 protoscoleces.
(6) It is proposed to estimate coefficient of reproduction intensity as the ratio of egg output per unit of time and maximum egg number in a mature strobile.
(7) There were noted differences in of longitudinal trunks in different species and in the specimens of the same species but from different hosts, the width of the strobile being the same.
(8) On the basis of the degree of development of the genital organs zonation of the worm's strobile has been specified.
(9) Scolex growth rate was linear throughout metacestode and adult development, but growth rate in body length was diphasic, punctuated by change of hosts, associated with strobilization.
(10) Phalaropus lobatus from this water body was also infected (13.7) with this cestode, the infection intensity being from 1 to 15 strobiles in one bird.
(11) The number of eggs in strobiles has been estimated for the maturation period.
(12) In experimentally infected puppies, parasite development was noted as follows: strobilation and initial differentiation of the genital primordia on day 7 postinoculation (p.i.
(13) The presence of the carbohydrates is discussed with respect to the relative resistance of the scolex-strobilation zone of H. diminuta to immune rejection.
(14) The results indicated a post-transcriptional regulation of gene expression during strobilization in this parasite.
(15) Binding sites for lectins from Abrus precatorius (APA), Arachis hypogaea (PNA), Glycine max (SBA) and for wheat germ agglutinin (WGA) and succinylated WGA were located on the scolex and strobilation zone.
(16) Scolexes of adult cestodes are innervated with 5 pairs of longitudinal nerve trunks, the number of which in the strobile gradually increases up to 17 pairs in species of Eubothrium and up to 60 pairs (in the wildest parts of the strobile) in species of Diphyllobothrium.
(17) Extracts of the strobilate and cysticercus forms of the same species gave identical results.
(18) Although the tentacles of the polyp and the rhopalia of the medusa are probably homologous, the development of pacemaker activity during strobilation is not a smooth transition from tentacle contraction potentials (TCPs) to marginal ganglion potentials (MGPs).
(19) For strobilization and maturation of H. microstoma in vitro, the presence of some kind of heme protein seems essential.