| 单词 | large lymphocytes |
| 释义 | > as lemmaslarge lymphocytes A kind of small leucocyte which has a single round nucleus and little or no granulation in the cytoplasm, constitutes about a quarter of the total leucocytes in the blood stream, is found in large numbers in the lymph nodes and other lymphoid tissue, and is a major agent in most immunological processes. large lymphocytes, which constitute a small proportion of the total number of lymphocytes, are larger than and apparently the precursors of the small lymphocytes, which constitute the bulk of them. ΘΚΠ the world > life > biology > substance > cell > types of cells > [noun] > phagocytic cells > leucocyte or lymphocyte cytoid1850 leucocyte1870 cytode1883 macrophage1887 lymphocyte1890 memory cell1892 macrophagocyte1896 lymphoblast1909 thymocyte1929 siderophage1941 Sézary cells1953 the world > life > the body > vascular system > blood > components of blood > blood corpuscle or plate > [noun] > white cells or corpuscles white corpuscle1823 white cell1852 leucocyte1870 phagocyte1884 macrophage1887 microphage1887 lymphocyte1890 megakaryocyte1890 hyaline cell1894 macrophagocyte1896 microphagocyte1896 scavenger-cell1899 splenocyte1900 polymorph1902 granulocyte1906 lymphoblast1909 agranulocyte1913 monocyte1913 stab1929 hyaline leucocyte1931 smudge cell1937 heterophile1938 siderophage1941 1890 Jrnl. Morphol. 4 108 It is quite generally agreed that the origin of the white corpuscles of the blood is to be found in the lymph leucocytes, or lymphocytes, to borrow a convenient term... The lymphocytes are characterized by a vesicular nucleus, usually with a nucleolus and a scanty reticulum, and by a very small protoplasmic envelope. 1891 Rep. Lab. Royal Coll. Physicians Edinb. III. 118 If this view of the nature of leucocytes is accepted, we at once realise the futility of the attempts..to establish distinctions between the leucocytes found in different situations,—the white blood corpuscles, the wandering cells in the tissues, the lymphocytes of the lymph, lymph-glands and spleen, the thymus-cells, the marrow-cells, &c. 1896 T. C. Allbutt et al. Syst. Med. I. 730 He recommends subcutaneous injections of pilocarpine, in order to raise artificially the number and ratio of the lymphocytes. 1905 A. Stengel tr. P. Ehrlich Dis. Blood 71 At the introduction to this chapter it was pointed out that a retrograde movement in hematology is in progress which attempts to establish the derivation of all the white blood-cells from the lymphocytes. 1913 Gulland & Goodall Blood ii. vii. 58 Large lymphocytes have the same general characters as the small lymphocytes. 1962 Lancet 26 May 1098/2 The blood-picture was:..eosinophils 2%, lymphocytes 11%, monocytes 1%, [etc.]. 1968 R. Passmore & J. S. Robson Compan. Med. Stud. I. xxvii. 4/2 Lymphocytes, or more properly small lymphocytes, to distinguish them from their immediate precursors, the medium and large lymphocytes, are formed in the cortex of lymph nodes by the maturation and division of lymphoblasts and lymphoid stem cells. 1970 Courier-Mail (Brisbane) 28 Jan. 30 Unfortunately this desensitisation technique seems to affect only a proportion of the recipient's lymphocytes: the remainder attack the transplant. < as lemmas |
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