1 / 9

Invertebrate Phyum NEMATODA (Roundworms)

Invertebrate Phyum NEMATODA (Roundworms). Vocabulary Pseudocoelom = a body between the mesoderrn and the endoderm Cuticle = thick, tough, outer covering that protects the worm. Vocabulary Anus = posterior opening of the digestive track Larva = immature from of an oranism.

huong
Download Presentation

Invertebrate Phyum NEMATODA (Roundworms)

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Invertebrate Phyum NEMATODA (Roundworms)

  2. Vocabulary Pseudocoelom = a body between the mesoderrn and the endoderm Cuticle = thick, tough, outer covering that protects the worm

  3. Vocabulary Anus = posterior opening of the digestive track Larva = immature from of an oranism

  4. Characteristics *Roundworms with long, cylindrical bodies * Free-living; some parasites and animals * Pseudocoelomates * Digestive tract with a mouth and anus

  5. Examples • Ascaris • * Parasitic worms that live in the intestines of man, pig, and horses • * Contracted by eating water or food contaminated with eggs

  6. Examples Hookworm * Burrow through feet * Larvae migrate to intestinal wall and sucks blood

  7. Examples Trichinella * Infects people who consume undercooked pig meat containing cysts * Cysts release larvae, which burrow into intestinal wall and develop into adults

  8. Other Nematodes Pinworms - live in lower intestine and lay eggs on skin around anus Filarial worms - live in human lymphatic system transmitted by mosquitoes

More Related