Medullary ray (anatomy)

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.

Medullary ray
Details
SystemUrinary system
Identifiers
TAA08.1.01.018
FMA74299
Anatomical terminology

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.

Additional Images

gollark: Eh, I feel like the MemeEconomy way encourages you to invest sooner, at least.
gollark: Anyway, what I was going to say: with the firms' discords or groups or whatever the meme-picking process is somewhat decentralized. With the rule, you're seemingly trying to bring that all *here*, centralized, and the rule enforcement seems as if it could lead to problems too.
gollark: Hmm, there's a "minutes to hide comment scores" box, at least.
gollark: I'll check, I haven't used subreddit settings in ages.
gollark: Why not just turn on the setting to show it to everyone anyway? I'm sure that's a thing.

References

This article incorporates text in the public domain from the 20th edition of Gray's Anatomy (1918)

    • 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


    This article is issued from Wikipedia. The text is licensed under Creative Commons - Attribution - Sharealike. Additional terms may apply for the media files.