"Primitive Streak" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus,
MeSH (Medical Subject Headings). Descriptors are arranged in a hierarchical structure,
which enables searching at various levels of specificity.
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.
- Primitive Streak
- Primitive Streaks
- Streak, Primitive
- Streaks, Primitive
Below are MeSH descriptors whose meaning is more general than "Primitive Streak".
Below are MeSH descriptors whose meaning is more specific than "Primitive Streak".
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