abnormal sperm flagellum morphology
hairpin sperm flagellum
MP:0009243
MPheno.ontology
a structural alteration where the sperm flagellum becomes bent back (folded) on itself to form a hairpin (loop) structure; a sharp hairpin-like bend formation can disrupt the axial structures and cause the sperm tail to become kinked
abnormal hairpin-fold of the sperm flagellum
flagellar hairpin bends
hairpin bent sperm tail
hairpin-configuration spermatozoa
hairpin-curved sperm
hairpin-like sperm flagellum
hairpin-shaped sperm