detailed of human kidney anatomy

differentiation representation functionality professional showcasing highlights anatomical background structure precision including emphasize appealing depiction education detailed internal artistic distinct sections colorful visually research academic anatomy vibrant kidneys medulla perfect medical ensures clarity cartoon drawing kidney cortex pelvis ureter design making circle purple number sketch poster human renal clean white focus ideal organ brand font text hand head logo nose pink set use art eye visualization diagram cross-section visuals students system function educational medical-grade