Anesthetics

Discovery and application of substances like ether and chloroform that induce a temporary state of unconsciousness and insensitivity to pain, revolutionizing surgery.

Core metadata

ID: anesthetics
Era: Industrial
First known date: 1846 (exact)
Region: Boston, Massachusetts, United States
Review status: source_checked
Maturity: N/A

Prerequisites

Dependents

Aseptic Surgery (aseptic_surgery)

Fields

None.

Node sources

Anesthesia (Encyclopaedia Britannica, 2026, textbook) • Supports: node
Locator: Britannica identifies the successful public demonstration of surgical ether anesthesia by William Morton at Massachusetts General Hospital in Boston in 1846.

Prerequisite edge evidence

Edge/source evidence summary:

Prerequisite edges: 4
Average edge confidence: 68%
Prerequisite sources: 3
expert_inference: 4

Prerequisite	Type	Confidence	Evidence level	Note	Sources
Clinical Medicine (medicine_clinical)	enabling	68%	expert_inference	Clinical Medicine provides a capability that enables this technology without being the only possible path.	The Origins of the History and Physical Examination (National Library of Medicine (NCBI Bookshelf), 1990, textbook) • Supports: edge
Advanced Chemistry (advanced_chemistry)	enabling	68%	expert_inference	Advanced Chemistry provides a capability that enables this technology without being the only possible path.	Chemistry (Encyclopaedia Britannica, 2026, generic_overview) • Supports: edge
Scientific Method (scientific_method)	enabling	68%	expert_inference	Scientific Method provides a capability that enables this technology without being the only possible path.	Scientific Revolution (Encyclopaedia Britannica, 2026, textbook) • Supports: edge
Herbalism (herbalism)	enabling	68%	expert_inference	Herbalism provides a capability that enables this technology without being the only possible path.	No sources recorded.

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