Semen, microcephalic sperm, dog

Semen, microcephalic sperm, dog

Photomicrograph of a sperm morphology slide demonstrating teratospermia; a microcephalic spermatozoon is shown next to 3 normal spermatozoa. This is a major morphological defect affecting sperm function. Commercial dark blue staining and fixative solution in buffered salt; original magnification, 1000X.

Courtesy of Dr. Autumn Davidson.