Live differential interference contrast images of adult animals (A-D) and of an embryo (E). (A-C) Anterior to the top. (A) Mature specimen. (B) Detail of the anterior tip with frontal glands fg and the statocyst st. (C) Rhabdoid glands in rows at the posterior end; inset shows detail of rhabdoid glands. (D) Genital organs, anterior to the left. Note foreign sperm sp at anterior part of the seminal bursa sb