What's the difference between anatropal and anatropous?

Anatropal

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Definition:

• (a.) Alt. of Anatropous

Example Sentences:

• (1) Complete nephrolithotomy was accomplished in situ using the anatropic nephrotomy technique of Smith and Boyce.

Anatropous

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Definition:

• (a.) Having the ovule inverted at an early period in its development, so that the chalaza is as the apparent apex; -- opposed to orthotropous.

Example Sentences:

• (1) Complete nephrolithotomy was accomplished in situ using the anatropic nephrotomy technique of Smith and Boyce.