The sympathetic fibres of uterus are derived from which segments of veibrae ?
Sympathetic nerves from T12, LI segment of spinal cord produce uterine contraction and vasoconstriction. The parasympathetic nerves (S2, S3, S4) produce uterine inhibition and vasodilatation. Ref : B D Chaurasia's Human Anatomy , seventh edition , volume 2 , pg.no., 422.
T12 - L1
T11 - L2
T1 - S2
T12 - L2
Abdomen and pelvis