Kidney — left ear
Renal organ point
The Kidney point is an auricular representation of the kidney network in modern ear charts. It is a microsystem correspondence, not a claim that the kidney lies at the external ear.
Point 19 of 26 in Auriculotherapy — Nogier inverted-fetus ear map
Cross-tradition overlaps
- Kidney — left ear ↔ ♂ Mars — left ear (variant) (distance 0.019)
Sources
Paul Nogier, first auricular somatotopy map (primary)
Original publication of the inverted-fetus auricular somatotopy attributed to Nogier.
Paul Nogier, From Auriculotherapy to Auricular Medicine (scholarly_modern)
Nogier account of auriculotherapy and later auriculomedicine terminology and point framework.
Terry Oleson, Auriculotherapy Manual: Chinese and Western Systems of Ear Acupuncture (secondary)
Modern clinical synthesis of Chinese and Western auricular point nomenclature and locations.
Huangdi Neijing · Lingshu (primary_canonical)
Classical ear-vessel and ear-channel references; supports the TCM historical lineage, not the modern Nogier point coordinates.
Andreas Wirz-Ridolfi, The History of Ear Acupuncture and Ear Cartography (scholarly_modern)
Historical review documenting the 1957 Nogier map, later Chinese/WHO charts, and cartographic variation.