| Word | Definitions | Synonyms |
|---|---|---|
| achlorhydria | (noun) an abnormal deficiency or absence of free hydrochloric acid in the gastric juice; often associated with severe anemias and cancer of the stomach | - |
| hypochondria | (noun) chronic and abnormal anxiety about imaginary symptoms and ailments | Synonyms: hypochondriasis |
| oligodendria | (noun) tissue consisting of glial cells with sheetlike processes that form the myelin sheath of nerve fibers | Synonyms: oligodendroglia |