Regarding orientation of spiral arteries, which of the following is true
Correct Answer: Arteries are perpendicular and veins are parallel to the uterine wall
Description: Spiral arteries are perpendicular and veins are parallel to uterine wall. This aids in closure of veins during a uterine contraction and prevents exit of maternal blood from intervillous space.
Category:
Gynaecology & Obstetrics
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