Canadian Medical Guide > Organisms > Animals > Invertebrates > Helminths > Nematoda Terms and Definitions
Nematoda
Medical Definition: | A class of unsegmented helminths with fundamental bilateral symmetry and secondary triradiate symmetry of the oral and esophageal structures. Many species are parasites. |
Guide Notes: | GEN or unspecified; prefer specifics; infection = NEMATODE INFECTIONS; /drug eff: consider also ANTINEMATODAL AGENTS; for antigens, coord with ANTIGENS, HELMINTH, for antibodies, coord with ANTIBODIES, HELMINTH |
Also Called: | Sipunculida |
Adenophorea - A subclass of nematodes characterized by reduced or absent caudal papillae and an excretory system lacking lateral canals. Its organisms are usually infective to their final host. | |
Secernentea - A subclass of nematodes characterized by numerous caudal papillae and an excretory system possessing lateral canals. |
Nematoda Medical Definitions and Terms
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