renal pyramid
noun
anatomy
: any of the somewhat triangular- or wedge-shaped masses of tissue of the inner medulla (see medulla sense 2a) region of the kidney that project as the renal papillae into the renal pelvis, and have a striated appearance due to the presence of collecting tubules and collecting ducts
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“Renal pyramid.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/renal%20pyramid. Accessed 28 Nov. 2024.
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