What's the difference between flock and migration?

Flock


Definition:

  • (n.) A company or collection of living creatures; -- especially applied to sheep and birds, rarely to persons or (except in the plural) to cattle and other large animals; as, a flock of ravenous fowl.
  • (n.) A Christian church or congregation; considered in their relation to the pastor, or minister in charge.
  • (v. i.) To gather in companies or crowds.
  • (v. t.) To flock to; to crowd.
  • (n.) A lock of wool or hair.
  • (n.) Woolen or cotton refuse (sing. / pl.), old rags, etc., reduced to a degree of fineness by machinery, and used for stuffing unpholstered furniture.
  • (sing. / pl.) Very fine, sifted, woolen refuse, especially that from shearing the nap of cloths, used as a coating for wall paper to give it a velvety or clothlike appearance; also, the dust of vegetable fiber used for a similar purpose.
  • (v. t.) To coat with flock, as wall paper; to roughen the surface of (as glass) so as to give an appearance of being covered with fine flock.

Example Sentences:

  • (1) Lambing rates approach 1.5 lambs per ewe per year, but a death rate of 23 per cent and an offtake of 27 per cent, means that flock numbers are probably slightly declining.
  • (2) The effect of scrotal mange (Chorioptes bovis) on semen quality was assessed in a flock of rams during an outbreak of chorioptic mange and in rams with experimentally induced chorioptic mange.
  • (3) Already the demand for such a liturgy is growing among clergy, who are embarrassed by having to withhold the church's official support from so many of their own flock who are in civil partnerships.
  • (4) Our folks died to get us the right to vote, so go out and use it," he told his flock.
  • (5) Circumstantial evidence indicated that in the field; the incubation period of P multocida in a turkey flock may be between 2 to 7 weeks.
  • (6) Twenty-two parent (multiplier) breeder flocks became infected.
  • (7) Data were collected from flocks located in Kumagaya city (36 degrees N, Japan), where they were subjected to periodic seasonal changes in photoperiod and ambient temperature specific to that area.
  • (8) Haemagglutinating viruses have been isolated from these flocks and evidence from experimental and field investigations suggest these are the aetiological agents of EDS 76.
  • (9) The presence of toxoplasmosis was ruled out via investigations of blood sera taken from weaned lambs and from ewes that had miscarried in the same flock, employing the microprecipitation test in agar gel after Hubner and Uhliková.
  • (10) The program is based on accreditation of flocks that have passed two successive serological tests with an interval of six months between and post-accreditation tests every 12 months.
  • (11) Also studied was the serum resistance of seven serotype 3, 4 isolates obtained from the lungs of M9-vaccinated turkeys from seven flocks experiencing increased mortality due to fowl cholera.
  • (12) Many sera that were negative in the AGP test were found to have VN antibodies, and virtually all sera in a commercial flock were free of precipitin but had VN titers.
  • (13) He added that London remained the "libel capital of the world – the place where the rich and dodgy flock to keep their reputations intact".
  • (14) Still the audiences flocked to me in Stockholm, Rome, Stockholm and Stockholm.
  • (15) Both breeds were contained in each of two separate flocks housed indoors year-round on expanded metal floors in windowless buildings.
  • (16) Of these 48 strains, 43 (90%) came from the southern part of France in which B. melitensis infection in sheep and goats is enzootic and where the dissemination of this species by sheep flocks moving to mountain pastures most often accounted for cattle contamination.
  • (17) Acquired HEV antibody appeared at 8 to 10 weeks, and 100% of the meat and breeder turkey flocks were positive after 11 weeks of age.
  • (18) Individual test day yields for 1548 lactations of 600 ewes from 32 flocks (1975 to 1985) were used to define the shape of the lactation curve.
  • (19) The changes in nematode cholinesterase (ChE) activities were examined in relation to the development of resistance in (1) a flock of young grazing sheep, (2) grazing and penned sheep treated with dexamethasone and (3) penned sheep receiving a single mixed infection.
  • (20) Early on Sunday morning, Malcolm Turnbull looked out to the Australian electorate and expressed his own profound alienation from the lived experiences of the losers of globalisation – the people who had flocked to Nick Xenophon and Pauline Hanson and to Labor on the basis that the ALP had climbed down partially from the neoliberal pedestal constructed by Bob Hawke and Paul Keating.

Migration


Definition:

  • (n.) The act of migrating.

Example Sentences:

  • (1) In addition to their involvement in thrombosis, activated platelets release growth factors, most notably a platelet-derived growth factor (PDGF) which may be the principal mediator of smooth muscle cell migration from the media into the intima and of smooth muscle cell proliferation in the intima as well as of vasoconstriction.
  • (2) During capillary growth when endothelial cells (EC) undergo extensive proliferation and migration and pericytes are scarce, hyaluronic acid (HA) levels are elevated.
  • (3) Major forms of the CV-1 factors migrate between 20 and 24 kilodaltons, while the COS factors migrate between 20 and 28 kilodaltons.
  • (4) Hence the major role of the 14-A arm of carboxybiotin is not to permit a large carboxyl migration but, rather to permit carboxybiotin to traverse the gap which occurs at the interface of three subunits and to insinuate itself between the CoA and keto acid sites.
  • (5) The rate of accumulation was highest late in infection and only the slower migrating form incorporates significant amounts of glucosamine.
  • (6) From this proliferating layer, precursor cells migrate outwards to reach the developing neostriatum in a sequential fashion according to two gradients of histogenesis.
  • (7) Transplanted cells divided in vivo and progressively migrated into the host brain from the site of implantation up to distances of about 1 mm.
  • (8) These results suggest that bPAG is probably synthesized by trophoblast binucleate cells and stored in granules prior to delivery into the maternal circulation after cell migration.
  • (9) Our findings: (1) both forms, LC1 and LC3, migrate in the two species with rather similar electrophoretic constants (both in terms of pI and Mr); (2) the LC2 forms of rabbit and humans exhibit the same Mr but quite different pI values, the rabbit forms being more acidic; (3) the chain LC2Sb is resolved into two spots in both rabbit and humans.
  • (10) The duration of electrophoresis was based on the migration of a marker dye for a predetermined distance.
  • (11) The dmax migrated rapidly toward the surface with increasing field size at 100-cm SSD.
  • (12) A decrease in neutrophil oxidative metabolism and iodination was observed, but there was no effect on neutrophil random migration or ADCC.
  • (13) Locally directed cell migration was observed in a group of cells in 1. which were involved in a process of aggregation, the latter being probably related to precocious formation of organ primordia.
  • (14) However, the variation in samples, even from among individual animals that had survived challenge, was so great that it precludes the use of the macrophage migration technique as a routine standard assay procedure for immunity.
  • (15) The isoenzyme mobility diminished in both tumour chromatin extracts, and the slow migrating gamma isoenzyme exhibited sensitivity to L-cysteine inhibition.
  • (16) The OPL first appears as a thin, discontinuous break in the cytoblast layer that is frequently interrupted by the profiles of migrating neuro- and glioblasts.
  • (17) On the latter, it migrated as a single polypeptide chain with or without reducing agents and had an apparent mol wt of 62,000.
  • (18) Fifteen apparently normal patients who had been cured of cryptococcosis were found, as a group, to have impaired responsiveness to skin testing with cryptococcin and mumps, minimal leukocyte migration inhibition when stimulated with cryptococcin or C. neoformans, but normal group responses to cryptococcin in Cryptococcus-induced lymphocyte transformation.
  • (19) Fc gamma RIII immunoprecipitated from a neutrophil lysate migrated from 40 to 76 Kd, whereas Fc gamma RIII immunoprecipitated from serum from the same donor migrated from 40 to 66 Kd.
  • (20) A greater degree of inhibition of migration was induced by addition of antigen to mononuclear cells from 18- and 24-hour exudate cells in comparison with 6- and 12-hour exudates.