OntologieshcaoclassesUBERON:0004341   
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primitive streakImported
http://purl.obolibrary.org/obo/UBERON_0004341

The primitive streak is a structure that forms during the early stages of avian, reptilian and mammalian embryonic development[WP]. the midline ridge of the embryonic epiblast that later develops into mesoderm and endoderm[MP].

Defined byuberon
Also appears incpontaismclomondoohpi + 10
Exact Synonyms
primitive streak - blastopore - germ ring
Depicted by
Gray13.png
class Information
dubious for taxon

Teleosteincbitaxon

has_obo_namespace

uberon

preferred label

primitive streak

UBPROP_0000003

(...) the blastopore equivalent of chordates (germ ring in fish, marginal zone/blastopore lip in frog and node/primitive streak in chick and mouse) (...) (reference 1); Indeed, the primitive streak has been considered the homologue of the blastopore since the 1870s (reference 2).[well established][VHOG]

UBPROP_0000012

VHOG includes a very broad grouping here based on http://www.ncbi.nlm.nih.gov/pubmed/9609826

class Relations