Batson's plexus of veins connects-: (A) Prostatic and vertebral venous plexus, (B) Gastric and hepatic veins, (C) Upper and lower esophageal plexus, (D) Superior amd inferior rectal veins
Answer is A. Ans. is 'a' i.e., Prostatic and vertebral venous plexus * 'There is valveless communication between prostatic plexus and vertebral venous plexus (Batson plexus) through which prostatic carcinoma can spread to vertebral column and skull'