Nematodes Of Medical Importance – Adaptations To Environment

Nematodes of medical importance – adaptations to environment. Vocabulary. Introduction. Morphology. Digestive and excretory systems. Reproduction. Nervous system. Defense mechanisms. Support systems. Why use the worm in research? Infections are transmitted by. Ascariasis. References. Question time.

Most roundworms have separate sexes, but hermaphrodites occur as well. Partners are attracted to each other by pheromones.

A similar number of genes to humans. They can be grown cheaply. It can be frozen and then defrosted and revived when needed. They have a short life cycle. C. elegans is a very small organism.

Ingestion of eggs Penetration of larvae through surfaces Insect bite Ingestion of encysted larvae.