<prompt> In the cut section of ovary given below which is the ovarian tumour:Serous cyst adenomaDysgerminomaDermoid cystMucinous cyst adenoma  <response>: Above image is of Dermoid cyst Dermoid cyst Benign cystic teratoma All 3 germ cell layers present bone, teeth,sebaceous secretions, hair, endocrine glands Endoderm Mesoderm Ectoderm 10-15 are bilateral Can have malignant transformation -Sq cell carcinoma Most common ovarian tumors in pregnancy Most common ovarian tumors to undergo torsion. 