Heart — vital member
Source of vital power
The heart is rendered as the Canon's principal vital member and the source or starting point of vital power in the Gruner translation. Its anatomical-left chest coordinate follows ordinary front-view orientation, while the visual position is an editorial normalization rather than a Canonical diagram.
Point 1 of 6 in Avicenna's Canon — Humours and Essential Members
Cross-tradition overlaps
No overlapping points are registered for this point.
Sources
Ibn Sīnā (Avicenna), al-Qānūn fī al-ṭibb (The Canon of Medicine), Book I (primary_canonical)
Book I, §§118–123, identifies the heart as a principal member and associates it with vital power or innate heat; the section does not provide the normalized coordinate used here.
Peter E. Pormann and Emilie Savage-Smith, Medieval Islamic Medicine (scholarly_modern)
Historical study of Islamic medicine's Galenic and Arabic developments, including Avicenna's humoral framework and Canon reception; it supports historical context but does not supply this normalized body diagram.