单词 | bursectomy |
释义 | bursectomyn. Medicine. Excision or destruction of a bird's bursa of Fabricius (the site where B lymphocytes are formed), usually done in the egg or soon after hatching in research into immunity. ΘΚΠ the world > life > biology > laboratory analysis > processes > [noun] > others inoculation1802 plethysmography1890 auxanography1905 subpassage1907 ultrafiltration1908 enucleation1909 turbidimetry1920 microinjection1921 post-treatment1923 microincineration1924 plasmal reaction1925 bursectomy1928 priming1943 superinfection1947 bioengineering1950 superfusion1953 hybridization1961 sham operation1963 transfection1964 transdetermination1965 perifusion1969 zeugmatography1973 1928 Riddle & Tange in Amer. Jrnl. Physiol. 86 266 It was thought that observations on these processes in birds deprived of the bursa should supply further light on this problem. As a descriptive term for the process of extirpation of this bursa, we shall introduce and use the word ‘bursectomy’. 1956 Poultry Sci. 35 224/1 An experiment designed to study the effect of bursectomy. 1968 Nature 19 Oct. 294/1 Bursectomy was achieved either surgically on 1 day old chicks, or hormonally by injecting 6/7 day old incubated eggs with..testosterone propionate. 1974 Sci. Amer. Nov. 60 A small portion of chicks subjected to this ‘hormonal bursectomy’..are tolerant of foreign skin. Derivatives burˈsectomize v. (transitive) to subject to bursectomy. ΘΚΠ the world > life > biology > laboratory analysis > processes > [verb (transitive)] > others animalize1790 sterilize1891 ultrafilter1908 enucleate1909 homogenize1936 harvest1946 superfuse1953 bursectomize1958 perifuse1969 respirate1971 transfect1974 1958 Poultry Sci. 37 1091/2 Ten birds were splenectomized at 2 weeks of age and bursectomized one week later. 1969 Federation Proc. (Federation Amer. Soc. Exper. Biol.) 28 432/1 3 out of 5 chicks bursectomized on the day of hatching failed to make detectable levels of antibody against BSA. burˈsectomized adj. ΘΚΠ the world > life > biology > laboratory analysis > processes > [adjective] > others superinfected1897 spinal1900 auxanographic1905 turbidimetric1911 pre-experimental1917 superinfecting1918 killed1919 pretreated1925 micrurgical1927 bursectomized1928 ultrafilterable1928 microinjected1938 alloxanic1950 microinjecting1951 superfused1953 sterile-male1959 sham-operated1963 transfected1964 perifused1969 zeugmatographic1973 1928 Riddle & Tange in Amer. Jrnl. Physiol. 86 271 The size of the ovaries of the bursectomized birds also falls within the normal range of variation of this organ. 1970 Nature 11 Apr. 124/1 In hormonally bursectomized chickens tuberculin sensitivity could not be induced. This entry has not yet been fully updated (first published 1993; most recently modified version published online June 2021). < n.1928 |
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