| 释义 |
oxychromatin Biol.|ɒksɪˈkrəʊmətɪn|
[a. G. oxychromatin (M. Heidenhain 1894, in Arch. f. mikrosk. Anat. XLIII. 543), f. Gr. ὀξυ- sharp, acid: see chromatin.]
A supported component of chromatin characterized by a greater affinity for acid dyes and a smaller content of nucleic acid than chromosomal chromatin.
1895Jrnl. R. Microsc. Soc. 159 ‘Oxychromatin’ and ‘cyanophilous granulation’ are independent structural parts of the chromatin framework. 1924E. G. Conklin in E. V. Cowdry Gen. Cytol. ix. 550 The oxychromatin which escapes into the cell body at mitoses is often more abundant than that which goes to form the chromosomes. 1948W. Andrew tr. E.D.P. de Robertis's Gen. Cytol. vii. 140 With ultracentrifugation the nucleus is deformed and the nuclear structures are stratified in the following layers..: (1) nucleolus, (2) basichromatin, (3) oxychromatin, (4) karyolymph. |