First Left Posterolateral Branch Artery

In an individual with a left-dominant heart, this is the first branch that arises from the circumflex artery atrioventricular groove continuation when counted from proximal to distal. It supplies the posterolateral wall. (NCI Thesaurus)

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The first time that a neonate is provided nutrition.

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The beginning of the first occurrence of heart failure.

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First Diagonal Branch Artery

The first artery arising from the left anterior descending (LAD) artery that supplies the anterolateral wall, when counted from proximal to…

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The uterus has descended above the hymen.