Mucus casts may be seen in a variety of gastrointestinal disorders and can present as small ragged ropes of mucus or long thicker ropes (as seen in this case). The following images show the spectrum of mucus casts that may be observed in stool:
All of the viewers correctly noted that these objects were not a parasite, despite their superficial resemblance to various worms. The keys to identification are the irregular diameter and shape, lack of distinct mouthparts or tail, and ease with which the strands can be pulled apart. In contrast, actual helminths have a more resilient smooth external cuticle and defined head and tail structures.