Groupe : Anterior part

The former part of the nematode corresponds to the distance from the head to the end of the oesophagus (with approximately atenth length of the body of the nematode).
In this former part, there are the nervous ring, the excretory pore , the amphids, more or less visible, the end of the oesophagus.

../images/partie_anterieure_base.png

Anterior part of the parasite

Liste des descripteurs

  1. Position of the nervous ring from the anterior end
  2. Position of the excretory pore from the anterior end
  3. Position of deirides from the anterior end
  4. Length of the oesophagus
  5. Ratio length of the oesophagus over the total length
  6. Excretory glands