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Embryonic Structures > Notochord

Preferred term

Notochord  

Type

  • Topical Descriptor

Broader concept

Entry terms

  • Chordamesoderm
  • Chordamesoderms

Scope note

  • A cartilaginous rod of mesodermal cells at the dorsal midline of all CHORDATE embryos. In lower vertebrates, notochord is the backbone of support. In the higher vertebrates, notochord is a transient structure, and segments of the vertebral column will develop around it. Notochord is also a source of midline signals that pattern surrounding tissues including the NEURAL TUBE development.

History note

  • 91(79); was see under EMBRYO 1979-90

In other languages

URI

http://www.yso.fi/onto/mesh/D009672

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