Macrocosmic orbit (left) — medial thigh
Circuit anchor
Anchor of the dà zhōu tiān full-body circuit (left limb): the great circuit extends the microcosmic loop down both legs and arms before returning via the spine.
Point 45 of 46 in Microcosmic Orbit (xiǎo zhōu tiān 小周天)
Cross-tradition overlaps
- Macrocosmic orbit (left) — medial thigh ↔ Macrocosmic orbit (left) — medial thigh (coincident)
- Macrocosmic orbit (left) — medial thigh ↔ Liver (left) — medial thigh (yīnbāo) (coincident)
- Macrocosmic orbit (left) — medial thigh ↔ Spleen (left) — medial thigh (jímén) (distance 0.011)
- Macrocosmic orbit (left) — medial thigh ↔ Kidney (left) — medial thigh (huángǔ) (distance 0.013)
- Macrocosmic orbit (left) — medial thigh ↔ 31. left thigh (distance 0.016)
Sources
Tàishàng huángtíng wàijǐng jīng and later nèidān corpus (Tang–Song) (primary_canonical)
Nèidān textual tradition describing the circulation of qì through the Ren–Du circuit (xiǎo zhōu tiān) and its extension through the whole body (dà zhōu tiān).
Wang Zhe / transmitted Daoist internal-alchemy corpus; cf. Livia Kohn, The Taoist Experience (secondary)
Modern scholarly reference for the small and great heavenly circuit practices.