Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Micrograph of Trichuris vulpis recovered from wild felids. (A–C) Posterior portion of male T. vulpis from Leopardus pardalis; (B) highlighting the proximal portion of the sheath with spiny cuticle; (C) opening of the sheath with the tip of the spicule internalized. White arrowhead—spicule; black arrowhead—shealth; red arrowhead—tip of the spicule.
