solidism

from The Century Dictionary.

• noun In medicine, the doctrine that refers all diseases to alterations of the solid parts of the body.

from the GNU version of the Collaborative International Dictionary of English.

• noun (Med.) The doctrine that refers all diseases to morbid changes of the solid parts of the body. It rests on the view that the solids alone are endowed with vital properties, and can receive the impression of agents tending to produce disease.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

• noun medicine, obsolete The doctrine that the solid parts of the body are the only parts that have vital properties and are susceptible to disease.