diffusely

Is memory made apt and extensive or narrow and diffusely irrelevant?

In Section 106 we learned that most objects are visible to us because of the light diffusely reflected from them.

He seemed a trifle sulky, but he did not talk about himself diffusely, and lose his head when he was smoothed the right way.

"Let me have the pleasure of telling it you my way," cried she, and told it diffusely, and kept him writhing.

Are the sensitive cells diffusely distributed in the organ or do they form a definite layer?