Nematode Anatomy
Adult stage nematodes are male orfemale not hermaphroditic like flat worms. Section iv anatomy nematodes live almost everywhere.
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Nematodes do not posses a specialized circulatory or respiratory system.
Nematode anatomy. A trivia quiz called nematode anatomy. Nematodes are tapered at both ends. 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. Several organ systems are present. They are the body wall nervous system secretory excretory system and digestive system and reproductive system.
Internal anatomy of a male c. The nematode body is made up of several distinct body systems. 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.
Test your knowledge about nematode anatomy with this online quiz. General anatomy and physiology all nematodes in this course only reproduce sexually except strongyloides. Male female male female.
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. Round worms are also triploblastic. Anatomy basically a nematode is a long hollow tube within which is another tube the alimentary canal and the reproductive organs.
Typically about 5 to 100 µm thick and 01 to 25 mm long. 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. Elegans nematode nematodes are very small slender worms.
The body is contained within a tough elastic cuticle which in many species forms elaborate structures useful for identification. This leads into a long simple gut cavity lacking any muscles and then to an anus near the tip of the body.
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