An egg of Trichuris trichiura. x400.

An egg of Trichuris trichiura. x400.

An egg of Trichuris trichiura at two-cell stage. x400.

An egg of Trichuris trichiura at morular stage. x400.

An embyonated egg of Trichuris trichiura. x400.

Trichuris trichiura, male.

Stichosome of Trichuris trichiura.

Posterior part of male Trichuris trichiura.

Posterior part of female Trichuris trichiura.

The transitional part leading the anterior slender part to the posterior thick part containing reproductive organs in female Trichuris trichiura. The vagina opens at this part.

An oblique section of stichosome shows a chain of stichocytes in Trichuris trichiura. x400.

Sections of Trichuris trichiura in a human caecum. x100.

Trichuris trichiura thread their anterior part into intestinal mucosa. The red areas are stains by blood bleeded from the damaged mucosa.

A mass of Trichuris trichiura in a caecum.

A cross shows a stichocyte at center of the section and holomyarian muscle layer. x400.