MeSH 搜索器

Nematoda

A phylum of unsegmented helminths with fundamental bilateral symmetry and secondary triradiate symmetry of the oral and esophageal structures. Many species are parasites.
推出的年份: SIPUNCULIDAwasheading1980-84
副标题
树号: B01.050.500.500.294
MeSH 单一 ID: D009348
进入的组:
  • Secernentea
  • Phasmidia
  • Sipunculida

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