epicardialadj.
/ˌɛpᵻˈkɑːdɪəl/, U.S. /ˌɛpəˈkɑrdiəl/ 1. Anatomy, Zoology, and Medicine. Of or relating to the epicardium of the heart (see epicardium n. 1); located or placed on the epicardium. Cf. epicardiac adj. 2a.
ΘΚΠ
the world > life > the body > vascular system > heart > [adjective] > membranes of
pericardian1656
pericardic1656
pericard1708
pericardiac1834
pericardial1834
endocardial1849
pleuropericardial1859
epicardiac1869
epicardial1869
intrapericardial1875
sternopericardiac1877
intrapericardiac1879
renopericardial1883
sternopericardial1901
1869 G. H. Humphreys & C. E. Hackley tr. F. von Niemeyer Text-bk. Pract. Med. I. 381 In cases of hæmorrhagic and purulent exudation, the muscles of the heart become very much discolored, flabby, and softened, the epicardial surface [Ger. die das Epikardium begrenzenden Schichten] undergoing fatty degeneration.
1908 Practitioner Nov. 638 In the first group of cases there is simple adhesion between the peri- and epicardial layers.
1962 Lancet 29 Dec. 1373/1 The infection was cured without removing the electrode, which was left in the ventricle until the insertion of epicardial wires 10 days later.
2011 Sheffield Tel. (Nexis) 1 Feb. The scientists have already had some success using the protein to ‘wake up’ epicardial cells in heart-damaged mice.
2. Zoology. Designating an epicardium of an ascidian (see epicardium n. 2); of or relating to an epicardium. Cf. epicardiac adj. 2b.
ΘΚΠ
the world > animals > invertebrates > subkingdom Metazoa > grade Triploblastica or Coelomata > division Molluscoidea > [adjective] > of or belonging to Tunicata > of or relating to Ascidia > parts of
epicardiac1886
epicardial1888
ovicystic1890
1888 W. A. Herdman Rep. Tunicata iii. 129 in Rep. Sci. Results Voy. H.M.S. Challenger: Zool. XXVII A slight modification of this process would result in the formation of a gemmiparous stolon.., and an epicardial partition such as is now found in the case of Clavelina and Perophora.
1895 Sci. Progress 3 60 In fixed Ascidians the endoderm of the bud is derived in most cases from a pair of diverticula from the posterior region of the pharynx of the parent—the epicardial tubes of Van Beneden and Julin.
1914 E. W. MacBride Text-bk. Embryol. I. xvii. 626 The epicardial tubes or epicardia.
1975 Amer. Zoologist 15 783/1 Histological evidence confirms earlier conclusions..that the molgulid renal sac is an epicardial derivative.
2008 P. Kott in P. Hutchings et al. Great Barrier Reef xxvii. 318/1 Endodermal tissue of paired epicardial sacs..is the regenerative tissue in Ciona.
This entry has been updated (OED Third Edition, March 2016; most recently modified version published online March 2022).
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adj.1869