parablasticadj.
/ˌparəˈblastɪk/, U.S. /ˌpɛrəˈblæstɪk/ Embryology. Now historical.
Of or relating to the parablast (parablast n. 2).
ΘΚΠ
the world > life > biology > biological processes > procreation or reproduction > embryo or fetus > embryo parts > [adjective] > trophoblast, etc.
parablastic1883
trophospongian1889
neuroectodermic1908
neuroectodermal1946
trophectodermal1946
syncytiotrophoblastic1961
1883 Science 27 Apr. 345/1 The mesoderm has a double origin, in part from the primitive streak, and in part from independent cells, which His calls parablastic, and thinks derived from the yolk, and destined to form the connective and vascular tissues.
1885 W. Stirling tr. L. Landois Text-bk. Human Physiol. II. 1128 The parablastic structure of blood and connective-tissue.
1895 Philos. Trans. (Royal Soc.) A. 186 181 The hypothesis of the mesenchymatic or parablastic origin of the skeletogenous cells.
1947 Proc. Royal Soc. B. 134 388 His was to a certain extent mistaken in claiming that his parablastic structures were all of extra-embryonic origin and formed from the germ wall.
This entry has been updated (OED Third Edition, June 2005; most recently modified version published online March 2022).
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