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单词 atrial septum
释义

> as lemmas

atrial septum
c. spec. The structure that divides the heart into right and left sides, consisting of strong fibrous tissue and muscle. Also: the section of this separating the heart's lower chambers (more fully ventricular septum, interventricular septum) or upper chambers (more fully atrial septum, auricular septum, interatrial septum). [Compare post-classical Latin septum cordis septum of the heart (1568 or earlier).]
ΚΠ
1615 H. Crooke Μικροκοσμογραϕια vi. xii. 372 (caption) The wall betwixt the ventricles of the heart called Septum.
1662 N. Culpeper & A. Cole tr. T. Bartholin Anatomy ii. vii. 110/2 Gassendus saw Payanus at Ajax shew the Septum of the Heart to have through-fares [L. septum cordis pervium].
1819 A. Rees Cycl. XVII. at Heart The younger the fœtus is, the larger is this opening, so that there seems to be scarcely any auricular septum.
1879 St. George's Hosp. Rep. 9 257 Heart. A small abscess in inter-ventricular septum.
1909 Proc. Royal Soc. B. 81 151 The first ganglion cells that appear in the embryonic heart lie in the atrial septum.
1986 Times-Standard (Eureka, Calif.) 1 Oct. 16/2 A heart attack does not invariably involve the ventricular septum.
2002 Esquire Nov. 24/1 Condition called hypertrophic cardiomyopathy (HCM), in which the heart's septum is dangerously enlarged, blocking the flow of blood and, in many cases, causing death.
extracted from septumn.
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