Helicine branches of uterine artery

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Artery: Helicine branches of uterine artery
Vessels of the uterus and its appendages, rear view. (Helicine branches labeled at center top.)
Diagram in French. "Artere helicine" labeled at top left.)
Latin rami helicini arteriae uterinae
Gray's subject #155 615
Source uterine artery
Dorlands/Elsevier r_02/12690283

The helicine branches of uterine artery (or helicine arterioles, or spiral arteries) are small arteries which temporarily supply the myometrium of the uterus during the luteal phase of the menstrual cycle.

In histology, it is is one of the most useful techniques in identifying the phase of the cycle.

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