The lentiform nucleus (nucleus lentiformis; lenticular nucleus; lenticula) (Fig. 741) is lateral to the caudate nucleus and thalamus, and is seen only in sections of the hemisphere.    From Wordnik.com.  [IX. Neurology. 4c. The Fore-brain or Prosencephalon] Reference

Then the spray trail would disperse in Europa’s one-seventh Earth gravity, fall like a slow-motion slushstorm for kilometers on either side of each surface lenticula, and then freeze in Europa’s thin, artificial atmosphere — all 100 millibars of it — adding more abstract sculptural forms to the already tortured icefields.    From Wordnik.com.  [Ilium]

The Latin lenticula, from lens, meaning 'lentil'.    From Wordnik.com.  [Archive 2007-05-01] Reference