Definition: 'Endocervical Sinus Tumor'
endocervical sinus tumorType: Term
1. malignant germ cell tumor commonly found in the ovary. The tumor arises from primordial germ cells and develops into extra-embryonic tissue resembling the yolk sac.
Synonyms: yolk sac carcinoma
The definition information for endocervical sinus tumor is provided by Stedman's. You can search our medical dictionary here.