lumbar branch of iliolumbar artery

lum·bar branch of il·i·o·lum·bar ar·ter·y

[TA]

terminal branch of iliolumbar artery (with iliac branch) that ascends to supply psoas major and quadratus lumborum muscles; anastomosis: fourth lumbar artery.

Synonym(s): ramus lumbalis arteriae iliolumbalis [TA]

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