Epididymal duct is part of the epididymis in the male reproductive system and appears long and coiled. Sperm cells mature in this duct and act as a short-term storage. It is lined with ciliated (stereocilia), pseudostratified columnar epithelium and enclosed by vascular connective tissue.

Source:
Mescher, A. (2018a). Junqueira’s Basic Histology: Text and Atlas, Fifteenth Edition (15th ed.) [E-book]. McGraw Hill / Medical.