Term Name: thymus primordium
Synonyms: thymic rudiment
Definition: A small outgrowth of the pharyngeal epithelium that is the site of lymphocyte cell production.
Appears at: Pharyngula:Prim-15 (30.0h-36.0h)
Evident until: Larval:Protruding-mouth (72.0h-96.0h, 3.5mm)
Ontology: Anatomy Ontology [ZFA:0001077]

Relationships
develops from: pharyngeal endoderm vagal neural crest
develops into: thymus
is part of: immune system
has parts: immature thymic epithelium
is a type of: epithelium

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