Artist unknown, "Organ Man, with Arteries, the Stomach and Internal Organs," from "The Apocalypse," c. 1420–1430.

Ink and watercolor.

Artist unknown, Nude Female Anatomical Figure, from "Arzneibuch" (a German health manual), 1524–c. 1550.

Color wash and ink.

Artist unknown, Bloodletting Points and Moxa Points on the Human Body (according to the medical philosophy of Tibetan scholar Sangye Gyamsto, 1653-1705).

Gouache with ink inscriptions.

Charles Williams (1798–c.1830), "The Country Infirmary," 25 June 1813.

Etching with watercolor.

Fortunino Matania (1881–1963), "World War I: An Advanced Dressing Station on the Western Front," 1917.

Watercolor.

G. Hazan (fl. 1920s), "The Health Giver (La Messagére de Santé)," c. 1920s.

Colored lithograph.

Dorothy Darling Fellnagel, "Syphilis Strikes 1 in 10 Before 50," made for the U.S. Public Health Service, 1940.

Color lithograph.

Bobby Baker, "Day 711, The Daily Stream of Consciousness," 2008, from a series documenting "[Baker's] care at day treatment centers and psychiatric wards, and her experiences with different drugs and therapies" used to treat mental illness and, later, cancer.

Watercolor and pencil.

Annie Cavanagh and David McCarthy, "Aspirin Crystals," 2006.

Color enhanced scanning electron micrograph.

Anne Weston, LRI, CRUK, "Ruptured Blood Vessel," 2006.

Color-enhanced scanning electron micrograph.

Spike Walker, "Quinidine Crystals," 2006.

Polarized light micrograph.