Medullary ray | |
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Details | |
System | Urinary system |
Identifiers | |
Latin | radii medullares |
TA98 | A08.1.01.018 |
TA2 | 3378 |
FMA | 74299 |
Anatomical terminology |
In anatomy, a medullary ray (Ferrein's pyramid) is the middle part of a cortical lobule (or renal lobule). Each consists of a group of nephrons in the renal cortex.[1] Their name is potentially misleading, as "medullary" refers to their destination, not their location. They travel perpendicular to the capsule, and extend from the cortex to the medulla. They may be visualised during urography.[1]
YouTube Encyclopedic
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Medullary rays are mainly
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Kidney Model.mov
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Nature Insights - Indian Summers, Heart Wood and Medullary Rays
Transcription
Additional Images
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Medullary rays
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Medullary rays
References
This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)
External links
- Histology image: 16003loa – Histology Learning System at Boston University — "Urinary System: kidney, H&E, cortex and medullary ray"
- Histology image: 15901loa – Histology Learning System at Boston University — "Urinary System: neonatal kidney"
- UIUC Histology Subject 1008