The Collaborative International Dictionary
Thalamocoele
Thalamocoele \Thal"a*mo*c[oe]le`\, n. [Thalamic + Gr. koi^los hollow.] (Anat.) The cavity or ventricle of the thalamencephalon; the third ventricle.
Wiktionary
thalamocoele
n. (context anatomy English) The cavity or ventricle of the thalamencephalon; the third ventricle.