Medullary ray (anatomy)

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Medullary ray
Details
SystemUrinary system
Identifiers
Anatomical terminology

In anatomy, the medullary ray (Ferrein's pyramid) is the middle part of the cortical lobule or renal lobule, consisting of a group of straight tubes connected to the collecting ducts.

Their name is potentially misleading — the "medullary" refers to their destination, not their location. They travel perpendicular to the capsule and extend from the cortex to the medulla.

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References[edit]

This article incorporates text in the public domain from Lua error in Module:Wd at line 2089: attempt to index field 'wikibase' (a nil value).the 20th edition of Gray's Anatomy (1918)


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