precardiacadj.

Brit.

/priːˈkɑːdɪak/, U.S.

/priˈkɑrdiˌæk/

Origin: Formed within English, by derivation. Etymons: pre- prefix, cardiac adj.

Etymology: < pre- prefix + cardiac adj.

1. Anatomy and Zoology. Situated in front of the heart.

ΚΠ

1890 Cent. Dict. Precardiac, situated in front of the heart.

1904 Philos. Trans. (Royal Soc.) B. 196 315 The zoeal system is, save for the presence of an additional visceral centre, in front of and below the heart (the pre-cardiac centre of Macromysis).

1942 Amer. Heart Jrnl. 24 498 The right ventricle forms the anterior surface of the heart, and when it is enlarged, extends forward toward the anterior chest wall, narrowing the precardiac space.

2005 Resuscitation 66 336/1 The chambers of the heart are supported and cushioned between the sternum and the spine by soft precardiac and retrocardiac tissues.

2. Embryology. Of, relating to, or designating the cells and tissue from which the heart develops; esp. in precardiac mesoderm.

ΚΠ

1961 Ann. Rep. Director Department Embryol. in Carnegie Inst. Washington Yearbk. 60 419 (title) Morphogenetic movements of the precardiac mesoderm.

1977 Science 20 May 896/2 The mutant endoderm has differentiated beyond the point at which it can induce the precardiac mesoderm to finally beome contracting heart tissue.

2003 FEBS Lett. 544 181 Bone morphogenetic protein-2..induces differentiation of precardiac cells into mature cardiomyocytes by inducing the expression of cardiac-specific genes.

This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022).

单词	precardiac
释义	precardiacadj. Brit. /priːˈkɑːdɪak/, U.S. /priˈkɑrdiˌæk/ Origin: Formed within English, by derivation. Etymons: pre- prefix, cardiac adj. Etymology: < pre- prefix + cardiac adj. 1. Anatomy and Zoology. Situated in front of the heart. ΚΠ 1890 Cent. Dict. Precardiac, situated in front of the heart. 1904 Philos. Trans. (Royal Soc.) B. 196 315 The zoeal system is, save for the presence of an additional visceral centre, in front of and below the heart (the pre-cardiac centre of Macromysis). 1942 Amer. Heart Jrnl. 24 498 The right ventricle forms the anterior surface of the heart, and when it is enlarged, extends forward toward the anterior chest wall, narrowing the precardiac space. 2005 Resuscitation 66 336/1 The chambers of the heart are supported and cushioned between the sternum and the spine by soft precardiac and retrocardiac tissues. 2. Embryology. Of, relating to, or designating the cells and tissue from which the heart develops; esp. in precardiac mesoderm. ΚΠ 1961 Ann. Rep. Director Department Embryol. in Carnegie Inst. Washington Yearbk. 60 419 (title) Morphogenetic movements of the precardiac mesoderm. 1977 Science 20 May 896/2 The mutant endoderm has differentiated beyond the point at which it can induce the precardiac mesoderm to finally beome contracting heart tissue. 2003 FEBS Lett. 544 181 Bone morphogenetic protein-2..induces differentiation of precardiac cells into mature cardiomyocytes by inducing the expression of cardiac-specific genes. This entry has been updated (OED Third Edition, March 2007; most recently modified version published online March 2022). < adj.1890
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