Anatomy and Morphology

 

 

Contents

 Rev. 05/23/05
Return to Phylum Nematoda Menu Cuticle Reproductive System
Return to General Nematology Menu Hypodermis/Epidermis Sensory System
  Muscle Layers Excretory System
Go to Nemaplex Home Page Digestive System References

Excretory System

Simple tubular system - in one or both lateral hypodermal chords in Secernentea;  embedded between the three cell bodies in hypodermal chord.
A.  Superfamily Oxyuroidea, Order Ascaridida
 
B.  Superfamily Rhabditoidea, Order Rhabditida
 
C.  Superfamily Cephaloboidea, Order Rhabditida
 
D.  Family Anasakidae, Order Ascaridida
 
E.  Subclass Diplogasteria
 
F.  Superfamily Tylenchoidea, Order Tylenchida

(Modified by Maggenti (1981) from Waddell and Chitwood)

 
Excretory canal opens at excretory pore (external opening of tubular excretory systems) in Secernentea is usually visible due to cuticular lining - ventral in mid- to posterior esophageal region; position is diagnostic.

 

Individual excretory cells or tubular systems in Adenophorea.
A.  Chromadora sp., Subclass Chromadoria, Order Chromadorida
 
B.  Phanodermopsis sp., Subclass Enoplia, Order Enoplida
 
C.  Plectus sp., Subclass Chromadoria, Order Araeolaimida
 
D.  Anonchus sp., Subclass Chromadoria, Order Araeolaimida

(Modified by Maggenti (1981) from Chitwood and Maggenti)

 
 
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