adj : spread widely apart : wide open or distended ‹a wound with patulous margins› ‹a patulous urethra› — pat·u·lous·ness n.

Whats does Patulous mean?

: spread widely apart : wide open or distended a patulous eustachian tube.

Will Ness meaning?

/ˈwɪl.ɪŋ.nəs/ B2. the quality of being happy to do something if it is needed: [ + to infinitive ] She shows a willingness to work on her own initiative. Throughout his career he has demonstrated a willingness to compromise.