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Anatomy Ontology

pronephros

Term ID
ZFA:0000151
Synonyms
  • embryonic kidney
  • pronephric nephron
Definition
The embryonic kidney, present at the level of the third somite, is composed of two glomeruli fused at the midline, two pronephric tubules, and paired bilateral pronephric ducts that modify the composition of the blood filtrate before delivering it to the cloaca for excretion. (1)
Appears at
Segmentation:10-13 somites (14.0h-16.0h)
Evident until
Larval:Days 7-13 (168.0h-14d, 4.5mm, 8 teeth)
References
  • TAO:0000151
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develops from
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has parts
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