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Cell Ontology
medullary ray
- Term ID
- UBERON:0009883
- Synonyms
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- Ferrein's pyramid
- kidney medullary ray
- renal medullary ray
- Definition
- A renal, cortical lobule, consisting of the ascending or descending limbs of the loop of Henle or of the collecting tubules; medullary rays are regions where parallel arrays of straight tubules travel perpendicular to the capsule and extend from the cortex to the medulla. http://en.wikipedia.org/wiki/Bone_marrow_of_ovaryry_ray_(anatomy)
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- Ontology
- Cell Ontology
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