♌ Leo — heart, back, and solar plexus

Fifth sign / decans 13–15: upper-trunk subdivisions

Leo continues the descent through the central upper trunk. Its three recorded sub-rulerships are first decan heart, second decan upper back and spine, and third decan stomach and solar-plexus region; the front-view point keeps the cardiac/trunk correspondence visible while the back reference remains descriptive.

♈ Aries — crown, eyes, and ears♉ Taurus — jaw, throat, and neck♊ Gemini — shoulders, arms, and hands♋ Cancer — breasts, ribs, and heart♌ Leo — heart, back, and solar plexus♌ Leo — heart, back, and solar plexus♍ Virgo — navel, intestines, and lower abdomen♎ Libra — kidneys, lumbar spine, and loins♏ Scorpio — genitals, bladder, and rectum♐ Sagittarius — hips, thighs, and femurs♑ Capricorn — knees, patellae, and knee joints♒ Aquarius — shins, calves, and ankles♓ Pisces — heels, soles, and toes

Point 5 of 12 in 36 Decans — Body Rulerships

Cross-tradition overlaps

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Sources

Julius Firmicus Maternus, Mathesis, Book II.24, De signis quibus partibus corporis sint attributa (secondary_translation)

Firmicus gives the canonical descending sign-to-body sequence: head, neck, shoulders, chest/heart, stomach, belly, kidneys and vertebrae, nature, thighs, knees, shins, and feet.

Teucer of Babylon, decan fragments preserved in Rhetorius and discussed in modern histories of Hellenistic astrology (scholarly_modern)

Teucer is an early witness for decan and paranatellon lore; this source supports the Hellenistic decanic framework rather than a single modern coordinate.

Spyros Piperakis, Decanal Iconography and Natural Materials in the Sacred Book of Hermes to Asclepius (scholarly_modern)

Study of the Hermetic 36-decan sequence, its body melothesia, and its later textual and ritual transmission.

Zodiac man (homo signorum) diagram, Wellcome Collection M0017629 (primary_canonical)

Medieval medical-almanac diagram preserving the descending sign/body figure from head toward feet.

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