Confused and have questions? We’ve got answers.
With Chegg Study
, you can get step-by-step solutions to your questions from an expert in the field. If you rather get 1:1 study help, try 30 minutes of free online tutoring with Chegg Tutors
From Biology-Online Dictionary | Biology-Online Dictionary
(1) Lying while facing downward.
(2) With palm directed posteriorly, and the radius and ulna are crossed (of the forearm).
(3) Inclined or sloping downward.
Word origin: Latin prōnus turned forward, bent or inclined