| 释义 |
hypochromia Med.|haɪpəˈkrəʊmɪə|
[f. as next + -ia1.]
a. (See quot. 1890.)
1890Gould New Med. Dict. 201/2 Hypochromia, abnormal pallor or transparency of the skin, occurring in certain skin diseases. 1968A. J. Rook et al. Textbk. Dermatol. I. xxii. 724 The lesions always retain their tendency to merge together producing progressive atrophy of the skin with tendency to hypochromia and achromia.
b. A hypochromic condition of the blood or of a red blood cell (see hypochromic a. 1).
1931[see hyperchromia]. 1966J. W. Linman Princ. Hematol. v. 177 Because of the clear-cut relationship between iron deficiency and hypochromia, it has often been assumed erroneously that this morphologic abnormality must be the result of iron lack or a block in iron incorporation. 1972Nature 10 Mar. 71/2 Lead seems to affect red cells chiefly by..interfering with haemoglobin synthesis, as judged by..hypochromia of the red cells. |