palaeostriatum
/ˌpalɪə(ʊ)strʌɪˈeɪtəm/ /ˌpeɪlɪə(ʊ)strʌɪˈeɪtəm/Anatomy and Zoology
noun
The phylogenetically older portion of the corpus striatum, corresponding (in mammals) to the globus pallidus.
Origin
Early 20th century; earliest use found in Brain: a journal of neurology. From palaeo- + striatum, after German Palaeostriatum.