Tutte le voci di Medici e studiosi:
- Jaccoud, François-Sigismond
- Jackson, Jabez North
- Jackson, John Hughlings
- Jacobaeus, Hans Christian
- Jacobson o Jakobson, Ludvig Levin
- Jacquin, Nicolaus Joseph, baróne di-
- Jaeger, Eduard
- Jaffé, Max
- Jakob, Alfons
- Jenner, Edward
- Jerne, Niels Kaj
- Joannitius
- Jolly, Justin
- Jurin, James
