Nematode Anatomy

Elegans nematode nematodes are very small slender worms. Male female male female.

Helminths Parasitic Worms Parasitic Nematodes Of Humans

Round worms are also triploblastic.

Nematode anatomy. They are the first animals to evolve a complete digestive tract with a mouth and anus. Diverse genera have adapted to free living habitats in virtually all terrestrial and marine environments and they parasitize virtually all species of plant and animal blaxter and bird this volume. The body is contained within a tough elastic cuticle which in many species forms elaborate structures useful for identification.

The head of a nematode has a few tiny sense organs and a mouth opening into a muscular pharynx throat where food is pulled in and crushed. The smallest nematodes are microscopic while free living species can reach as much as 5 cm 2 in and some parasitic species are larger still reaching over 1 m 3 ft in length. The nematode body is made up of several distinct body systems.

Typically about 5 to 100 µm thick and 01 to 25 mm long. This leads into a long simple gut cavity lacking any muscles and then to an anus near the tip of the body. Nematodes do not posses a specialized circulatory or respiratory system.

Nematodes are tapered at both ends. They are the body wall nervous system secretory excretory system and digestive system and reproductive system. Section iv anatomy nematodes live almost everywhere.

Anatomy basically a nematode is a long hollow tube within which is another tube the alimentary canal and the reproductive organs. The nematode body is cylindrical elongated and smooth with no limbs protruding such as is seen in the common garden worm though generally on a smaller scale. General anatomy and physiology all nematodes in this course only reproduce sexually except strongyloides.

A trivia quiz called nematode anatomy. Adult stage nematodes are male orfemale not hermaphroditic like flat worms. Several organ systems are present.

Test your knowledge about nematode anatomy with this online quiz. Internal anatomy of a male c.

Phylum Nematoda Diagram Red Wiggler Worms Parasite Cleanse