First Obtuse Marginal Branch Artery

The first artery arising from the left circumflex artery that supplies the lateral wall, when counted from proximal to distal. (NCI Thesaurus)

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First Name

A word or group of words indicating a person's first (personal or given) name; the name that precedes the surname.

First Movement

An initial set of movements by the fetus that is observed by the pregnant mother.

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…

First in Human

The first time an active substance or agent is administered to a human during a study.

First Feeding

The first time that a neonate is provided nutrition.

First Ever Onset of Heart Failure Event

The beginning of the first occurrence of heart failure.