(n.) A pustular eruptive disease of the cow, which, when communicated to the human system, as by vaccination, protects from the smallpox; vaccinia; -- called also kinepox, cowpock, and kinepock.
Example Sentences:
(1) The profile of polypeptide bands of cowpox virions was also almost the same as that of vaccinia virions, except for several polypeptides of about 40,000 to 50,000 daltons, but the profile of Shope fibroma virions differed considerably from that of vaccinia or cowpox virions.
(2) In 1796, Edward Jenner developed the first effective vaccine against an infectious disease by using cowpox virus to prevent subsequent infection with smallpox.
(3) These results demonstrate that an intact CHO hr gene is not required for maintenance of ectromelia virus in nature and provide a partial explanation for ectromelia virus' narrow host range, as opposed to the broad host range of cowpox virus, which has a functional CHO hr gene.
(4) Poxviruses isolated from captive carnivores in Russia (Moscow virus) and elephants in Germany (elephant virus) were very closely-related to cowpox virus.
(5) Various strains of vaccinia, variola, whitepox, monkeypox and cowpox viruses were examined for their capacity to induce a specific early antigen detectable on the surface of infected cells.
(6) Cowpox virus, in contrast to vaccinia virus, can multiply in Chinese hamster ovary cells.
(7) Modifications to the sequence of the promoter of an early gene of cowpox virus enable this promoter to direct the synthesis of RNAs containing 5' poly(A) sequences.
(8) The constituents of LS antigen from cells infected with vaccinia virus and with cowpox virus were compared by immunoprecipitation and SDS-polyacrylamide gel electrophoresis (SDS-PAGE).
(9) In order to produce larger amounts of it that are necessary for studying its properties in detail, we have cloned it into a mammalian expression vector system that consists of the very strong cowpox virus A-type inclusion body protein gene promoter inserted into the vaccinia virus genome.
(10) The promoter region of an early gene (38K gene) of cowpox virus has been characterized by deletion and linker scanning mutational analyses.
(11) Some, from Turkmenistan rodents or from white rats caught near Moscow, appeared to be very close to cowpox virus, while others (from Zaire rodents) were identical to variola-like (whitepox) viruses found earlier in monkeys in the same region.
(12) Clustered cases of a disease in men and cows firstly diagnosed as cowpox has been described.
(13) Insertion of the CHO gene from cowpox virus into the ectromelia virus genome extended the host range of ectromelia virus in tissue culture.
(14) This protein is highly conserved in members of the Orthopoxvirus group, but in cowpox virus, a 41K virion protein was specifically recognized by antibodies that reacted against the vaccinia virus 39K protein.
(15) vary from about 120 x 10(6) for rabbitpox to about 145 x 10(6) for cowpox.
(16) Two early and four late polypeptides in cells infected with vaccinia or cowpox virus were specifically immunoprecipitated with antiserum against Shope fibroma virus.
(17) Endonuclease SmaI cleaves exceptionally infrequently and distinguishes variola, monkeypox, vaccinia, cowpox or ectromelia viruses.
(18) Comparative studies of virus-induced polypeptides on the basis of migration in SDS-polyacrylamide gel electrophoresis revealed that 11 polypeptides were early polypeptides common to both vaccinia and cowpox viruses; 21 were late polypeptides common to both vaccinia and cowpox viruses; 4 were early polypeptides common to both vaccinia and Shope fibroma viruses; 7 were late polypeptides common to both vaccinia and Shope fibroma viruses; 5 were early polypeptides common to both cowpox and Shope fibroma viruses; 9 were late polypeptides common to both cowpox and Shope fibroma viruses; 4 were early polypeptides common to all three viruses; and 7 were late polypeptides common to all three viruses.
(19) Inactivation of the SPI-3 gene in any of the HA+ orthopoxviruses tested caused infected cells to fuse in a manner which appeared identical to that seen for HA- mutants, although fusion was most pronounced with cowpox virus.
(20) Analysis of the genomes with a variety of restriction endonucleases showed very close relationship between all the isolates and also failed to separate feline isolates from cowpox virus.
Teat
Definition:
(n.) The protuberance through which milk is drawn from the udder or breast of a mammal; a nipple; a pap; a mammilla; a dug; a tit.
(n.) A small protuberance or nozzle resembling the teat of an animal.
Example Sentences:
(1) During a single reversal trial of two 2-wk experimental periods, teats of all glands of 12 Holstein cows were subjected to a milking routine conducive to large vacuum fluctuations and flooded teat cups.
(2) A further 26 herds (iiii) which did not employ iodine-containing teat-dips, were also studied.
(3) The mean percentage changes in teat end thickness (relative to the premilking values for individual teats) varied from 10% decrease up to 20% or more increase depending on the particular milking system used.
(4) was apparent when hyperosmotic sucrose was introduced into this teat pouch.6.
(5) Other variables may be associated with host resistance: an increasing percentage of cows leaking milk increased the rate of mastitis; postmilking teat disinfection was associated with a higher incidence of clinical mastitis; and a high frequency of cubicle disinfection was also associated with more mastitis.
(6) Most lesions involve the teat ends and more are observed in the left hind teat than in any of the other teats.
(7) When the PD reached 80-90% of the liner vacuum, the load was just sufficient to occlude the teat canal.
(8) Around the time of milking the plasma oxytocin profile showed a strong response to the preparation for milking, and a further effect releated to the attachment of the teat cups of the milking machine.
(9) 3H-Yohimbine and 3H-rauwolscine, both potent and selective alpha 2-adrenergic antagonists, were used to identify alpha 2-adrenoceptors in smooth muscles of the cistern wall of teats of lactating cows.
(10) When the metal grid was in poor condition, the incidence of teat injuries as well as udder diseases of heifers increased.
(11) Twenty cows and 20 uncalved 20 month old heifers with severely burnt teats were studied.
(12) We postulated earlier that a low ratio of beta 2- to alpha 2-adrenoceptors in teat tissue of fast milking cows probably reflects changes of mainly prejunctional adrenoceptors.
(13) This teat cistern model and the experimental procedure used should be suitable for further studies of the development of local inflammation.
(14) During vaginal stimulation, oxytocin increased transiently in D and more than by teat stimulation in C. This allowed the removal of 75% of milk in D, whereas almost no more milk was available in C. After oxytocin injections, 3 and 16% of residual milk were obtained in C and D respectively.
(15) However, when contact was avoided between the teats and the milking machine, the stimulation of teat alpha-receptors (phenylephrine) did not inhibit milk flow.
(16) The efficacy of an acrylic latex barrier teat dip with germicide on new infections at parturition was tested on 113 cows and heifers during the prepartum period.
(17) Streptococcus agalactiae was eradicated prior to Trial 2 in which the detergent teat dip was compared to a 1% iodophor product of proven efficacy.
(18) The activities of epinephrine (2-6 micrograms) and of norepinephrine (20-60 micrograms) on the relaxation of teat sphincter muscles were compared by measuring milk leakage from the full udder of 5 lactating cows.
(19) Adherence increased from teat sinus to lactiferous sinus to the large ducts, and cells from the lactiferous sinus to the large ducts, and cells from the lactiferous sinus were used for all other experiments.
(20) The abilities of common postmilking teat disinfectant solutions and a teat skin ointment to retard Staphylococcus aureus colonization and promote healing of chapped skin were studied.