thalamium

[thuh-ley-mee-uh m] /θəˈleɪ mi əm/
noun, plural thalamia
[thuh-ley-mee-uh] /θəˈleɪ mi ə/ (Show IPA)
1.
thalamus (def 3).
Origin
< Neo-Latin, diminutive of thalamus; see -ium