has part has part has_part characteristic of has modifier enlarged epididymis epididymis hypertrophy increase in the bulk size of the elongated structure connected to the posterior surface of the testis that transports, stores, and matures spermatozoa between testis and vas deferens due to cell enlargement hypertrophic epididymis MP:0014186 epididymal hypertrophy abnormal hypertrophic epididymis