Scolex

Definition

The scolex is the head region of a tapeworm, equipped with suckers or hooks for attachment to the host's intestinal wall. It plays a critical role in nutrient absorption and anchoring the parasite within the gastrointestinal tract.

5 Must Know Facts For Your Next Test

1. The scolex is crucial for a tapeworm’s attachment to its host.
2. It often contains specialized structures like suckers or hooks.
3. Damage to the scolex can prevent the parasite from attaching, leading to its expulsion from the host.
4. Scolex morphology can help identify different species of tapeworms.
5. The rest of the tapeworm's body, known as proglottids, is produced from the scolex.

Review Questions

Related terms

Proglottid:

Segmented section of a tapeworm containing reproductive organs.

Cysticercus: Larval stage of certain cestodes that develop into adult tapeworms.

Tegument: External surface layer of parasitic flatworms involved in nutrient absorption and protection.