We found one dictionary that defines the word sigmoid groove:

Medicine (1 matching dictionary)

1. online medical dictionary (No longer online)

▸ Words similar to sigmoid groove ▸ Usage examples for sigmoid groove ▸ Idioms related to sigmoid groove ▸ Wikipedia articles (New!) ▸ Words that often appear near sigmoid groove ▸ Rhymes of sigmoid groove ▸ Invented words related to sigmoid groove