Short answers, pulled from the story.
The Greek word anatomē means dissection and derives from the verb anatémnō which translates to I cut up or cut open. This ancient term defines a scientific study of organism structure including systems organs and tissues.
Andreas Vesalius published De humani corporis fabrica in 1543 marking rebirth of modern human anatomy studies. This large format book contained seven volumes featuring accurate intricate illustrations often allegorical against Italianate landscapes created by artist Jan van Calcar.
Herophilus became first person performing systematic dissections using cadavers of condemned criminals considered taboo until Renaissance times. He discovered salivary glands small intestine liver recognizing uterus as hollow organ describing ovaries uterine tubes.
Animal bodies contain four basic tissue types: connective epithelial muscle and nervous tissue. Connective tissues are fibrous with cells scattered among inorganic material called extracellular matrix while epithelial tissue consists of closely packed cells bound by adhesion molecules.
Anatomy Act halted practice Britain 1832 while United States enacted legislation after William S. Forbes conviction 1882. Body snatching activity plagued Philadelphia Baltimore New York graveyards raided nightly removing newly buried corpses coffins before these laws changed things.