Human Kidney Anatomy Diagram - Detailed Cross-Sectional Illustration #3236523 (License: Personal Use)

This detailed red-ink anatomical drawing depicts a sagittal cross-section of a human kidney, emphasizing the layered architecture of the renal cortex, pyramidal medullary structures, and the central collecting system (renal pelvis). Fine hatching and linework convey texture and depth, characteristic of 19th- or early 20th-century medical engravings. Labels indicate major zones, supporting educational use in anatomy studies.

Used in medical textbooks, online anatomy resources, or educational websites to teach renal structure and function; targets students, educators, and healthcare professionals seeking visual reinforcement of kidney physiology.