In spite of the advances in transmission electronic microscopy (TEM). there are few studies presenting a systematic description of the canine spermatozoa and they are only focused on sperm cell heads. The goal of the present study was to describe ultrastructural appearance of canine fresh and frozen-thawed spermatozoa. focusing on damages induced by freezing-thawing in different sperm... https://herbsdailyes.shop/product-category/containers-and-jars/