To be able to study M.Sc Medical Anatomy, you should have studied Anatomy as a subject in your Undergraduation. Now because Anatomy is a subject in BDS, you are eligible for studying M.Sc Medical Anatomy not alone from Manipal University but also from any University that offers this course. According to the eligibility criteria mentioned in the official website: https://manipal.edu/content/dam/manipal/mu/documents/Admissions/adm2020/2020%20Post%20Graduate%20(PG)%20Programs%20Eligibility%20&%20Admission%20Process.pdf you should have completed your B.Sc/B.Sc Nursing/B.Sc Allied Health Sciences/BAMS/MBBS/BHMS/BPT/B.Pharmacy/BDS from a recognised University with a minimum aggregate of 50%. Admisison is based on merit scored in the qualifying examination.