putamen
Concise Oxford English Dictionary © 2008 Oxford University Press:
putamen /pjʊˈteɪmɛn/
▶noun (pl. putamina /-ˈteɪmɪnə/ or putamens) Anatomy the outer part of the lentiform nucleus of the brain.
– origin C19: from L., lit. ‘shell remaining after pruning’.
'putamen' also found in these Oxford entries:

