Credits and licenses Anatomy adapted from Z-Anatomy (Gauthier Kervyn and contributors), BodyParts3D/DBCLS (Kousaku Okubo and collaborators), via Anatria-3D. Z-Anatomy: https://github.com/Z-Anatomy/Models-of-human-anatomy BodyParts3D/DBCLS: https://dbarchive.biosciencedbc.jp/en/bodyparts3d/ Anatria-3D: https://github.com/Nurkan1/Anatria-3D/tree/main/public/anatomy Adapted renal anatomy and rendered adaptations: CC BY-SA 4.0 https://creativecommons.org/licenses/by-sa/4.0/ . BodyParts3D CC BY-SA 2.1 Japan attribution retained. Changes include smoothing, teaching registration of hilar structures and constructed vessel connections, plus a constructed renal mass. The animation adds a teaching mannequin, water coupling, schematic ultrasound and cell-fragment illustrations, progressive treatment shading and a fluid-hidden cavity illustration. It does not depict a patient. No source-organization endorsement. Animation: Lee C. Zhao, MD. Narration: authorized clone of Lee's voice, made locally. Ambient music: original local synthesis. NYU Langone Health logo: original supplied white SVG, unchanged. The logo is a trademark and is not included in the anatomy's CC BY-SA license. Runtime libraries used to render the film: Three.js 0.181.2 (MIT), GSAP 3.14.2 (Standard License), HyperFrames 0.8.92. Inter font: Inter Project Authors, SIL Open Font License 1.1.