NLM Logo

Primitive Streak MeSH Descriptor Data 2022


MeSH Heading
Primitive Streak
Tree Number(s)
A16.830
Unique ID
D054240
RDF Unique Identifier
http://id.nlm.nih.gov/mesh/D054240
Scope Note
A linear band of rapidly proliferating cells that begins near the posterior end of an embryo and grows cranially. Primitive streak is formed during GASTRULATION by the convergent migration of primary ectodermal cells (EPIBLAST). The knot at the tip of the streak is called HENSEN NODE.
Previous Indexing
Embryo (1961-2007)
Gastrula (1979-2007)
Public MeSH Note
2008; see GASTRULA 1979-2007
History Note
2008; use GASTRULA 1979-2007
Date Established
2008/01/01
Date of Entry
2007/07/09
Primitive Streak Preferred
page delivered in 0.15s