Renal pyramids
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| Renal pyramids | |
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Kidney anatomy, with pyramids labeled at right
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| Details | |
| Latin | Pyramides renales |
| System | Urinary system |
| Identifiers | |
| Dorlands /Elsevier |
p_03/13479070 |
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| TH | {{#property:P1694}} |
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| FMA | {{#property:P1402}} |
| Anatomical terminology
[[[d:Lua error in Module:Wikidata at line 863: attempt to index field 'wikibase' (a nil value).|edit on Wikidata]]]
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Renal pyramids (or malpighian pyramids or Malpighi's pyramids named after Marcello Malpighi, a seventeenth-century anatomist) are cone-shaped tissues of the kidney. The renal medulla is made up of 7 to 18 of these conical subdivisions (usually 7 in humans). The broad base of each pyramid faces the renal cortex, and its apex, or papilla, points internally. The pyramids appear striped because they are formed by straight parallel segments of nephrons and collecting ducts. The base of each pyramid originates at the corticomedullary border and the apex terminates in a papilla, which lies within a minor calyx, made of parallel bundles of urine collecting tubules.
Additional images
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Illu kidney2.jpg
Frontal section through the kidney
See also
External links
- Anatomy figure: 40:03-02 at Human Anatomy Online, SUNY Downstate Medical Center
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