Assertion: adrenal medulla's hormone | /r/CapableOf | facilitate the concentration of urine
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Source sentences:
text: Two additional hormones are oxytocin, which stimulates the contraction of smooth muscle cell in the uterus and participates in the milk ejection reflex, and antidiuretic hormone (ADH or vasopressin), which facilitates the concentration of urine in the kidneys and, thereby, the retention of water.