hæmatoblast
(ˈhiːmətəʊˌblɑːst, -ˌblæst)
[see hæmato- and -blast.]
a. Phys. Name given by Hayem to certain yellowish or greenish disks, smaller than the ordinary blood-corpuscles, found in the blood of viviparous Vertebrata; also called blood-plates. b. Embryol. Name given by Wissozky to cells of the mesoderm from which the first blood-corpuscles and blood-vessels originate. (Syd. Soc. Lex.)
| 1876 tr. Wagner's Gen. Pathol. 525 The first rudimentary masses of these cells, Heitzmann calls them hæmatoblasts. 1880 Times 13 Sept. 4/6 Oxygen..increases the number of red corpuscles and of hematoblasts, and the richness of the former in hemoglobin. 1883 American VI. 398 The relation of the hæmatoblasts to coagulation. |
Hence hæmatoˈblastic a.
| 1882 Lancet II. 146 The head of the coagulum..contains in the centre a prolongation of the viscid hæmatoblastic material. |