stria spinosa
(redirected from sulcus spinosus)stri·a spi·no·'sa
a faint groove occasionally caused by the chorda tympani nerve on the spine of the sphenoid.
Synonym(s): Lucas groove, sulcus spinosus
Lucas,
Richard C., English anatomist and surgeon, 1846-1915.Lucas groove - a faint groove occasionally caused by the chorda tympani nerve on the spine of the sphenoid. Synonym(s): stria spinosa