> as lemmas
introflexion
introflexion n.
Brit. 
/ˌɪntrəˈflɛkʃn/
, /ˌɪntrəˈflɛkʃn/U.S. /ˌɪntrəˈflɛkʃən/
an inward bending or curvature./ˌɪntrəˈflɛkʃən/Π
1849 W. H. Harvey Brit. Marine Algæ 12 Small, spherical chambers, formed by the introflexion of the walls of the receptacle.
<
as lemmas