| 释义 |
hypoplastic, a. Med.|haɪpəʊˈplæstɪk|
[f. hypo-(plasia (s.v. hypo- II) + -plastic.]
Of an organ or tissue: undersized at maturity owing to insufficient growth; hypoplastic anæmia, anæmia that is due to an insufficient production of red blood cells by the bone-marrow.
1877tr. H. von Ziemssen's Cycl. Pract. Med. XVI. 543 The sexual organs will remain relatively hypoplastic, or will be late in arriving at functional maturity. 1906C. P. Emerson Clin. Diagn. v. 515 By hypoplastic anæmia is meant one due to insufficient blood formation. 1915Brit. Dental Jrnl. XXXVI. 174 In studying the etiology of hypoplastic teeth, development and calcification may be divided into three distinct periods. 1918Amer. Jrnl. Med. Sci. CLVI. 49 The aorta was described as hypoplastic in 101 cases... In 71 of these cases hypoplasia was determined by actual measurement of the relative width of the pulmonary artery and the aorta. 1938Diamond & Blackfan in Amer. Jrnl. Dis. Children LVI. 464 In the past seven years we have had the opportunity to see an intermediate type of anemia—hypoplastic rather than completely aplastic. This condition has been characterized by slowly progressive anemia..with the production of a small and inadequate number of reticulocytes from bone marrow which shows moderate hypoplasia. 1961L. Martin Clinical Endocrinol. (ed. 3) vii. 199 The breasts were large but the nipples hypoplastic. 1963M. C. G. Israëls Diagn. & Treatm. Blood Dis. viii. 59 Senile hypoplastic anæmia is really a premature diminution of bone-marrow activity. |