| Word | Definitions | Synonyms |
|---|---|---|
| ginglymus | (noun) a freely moving joint in which the bones are so articulated as to allow extensive movement in one plane | Synonyms: ginglymoid joint, hinge joint |
| thymus | (noun) a ductless glandular organ at the base of the neck that produces lymphocytes and aids in producing immunity; atrophies with age | Synonyms: thymus gland |