| Term Name: | collagenous dermal stroma | 
|---|---|
| Synonyms: | primary dermal stroma | 
| Definition: | Acellular anatomical structure that is a layer of collagen fibrils in the immature integument in a subepidermal space. At first, the fibrils are all oriented in the same direction, later they form the complex plywood-like structure that is characteristic of the dermal deep region. | 
| Appears at: | Pharyngula:Prim-5 (24.0h-30.0h) | 
| Evident until: | Larval:Days 21-29 (21d-30d, 7.8mm, 10 teeth) | 
| Ontology: | Anatomy Ontology [ZFA:0001186] | 
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